Activity Report of
Radiation Sci nc<~ C nter in Fiscal 2000
© High Energy Accelerator Research Organization (KEK)
KEK Reports are available from:
Information Resources Division High Energy Accelerator Research Organization (KEK) 1-1 Oho, Tsukuba-shi Ibaraki-ken, 305-0801 JAPAN
Phone: +81-298-64-5137 Fax: +81-298-64-4604 E-mail: [emailprotected] Internet: http://www.kek.jp
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PREFACE
The Radiation Science Center is concerned with the management of both radiation and chemical
safety in KEK. In addition to the tight routine work, R&D work in this field is conducted. The first
part is the R&D activities reported in English and the second part is the studies related to the routine
work written in Japanese. The third part is the data related our activities including awards, name of
outside committees we are engaged in, workshops and symposia, publications, and funds we got. We hope that the activity report is useful for all people who are working in the field of the safety
of accelerator facilities.
Tokushi Shibata
Head, Radiation Science Center
High Energy Accelerator Research Organizatio?
2.1.5.1 KEKB ~ill! . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.1.5.2 PF-AR, BT, 7t //'1) -*-;v~{;ji. . . . . . . . . . . . . . 30
2.1.6 m 6 IR~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3o
2.1.7 -t'O){t!L. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2 .1.7 .1 liP,\ 'I' i1; 'f ft!\ i'l!l:tW: ~ill! . . . . . . . . . . . . . . . . . . . . . . . 31
2.1.8 1!!1ff\l'fi:O)r.i'JET 01i:lllftkili!~1:~1i:~i* . . . . . . . . . . . . . . . . . . 31
2.2 if\Wfi¥J~IH9J~i!l! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2.2.1 1iXY.I<I:J: < kili!:libit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2.2.2 1i:lllftkili!'f-=?' 1) /~V7.7'AO)i!lHtlliHe . . . . . . . . . . . . . . . . . 33
2.2.2.1 !'Xtlti'tV7. 7' A O)Jllti!t!WI3E . . . . . . . . . . . . . . . . . . . 33
2.2.2.2 1i:ll!ftkili!:.c-::: ?'- (SARM) 1::: ~T 0 liJfJEIWI3E . . . . . . . . . . 33
2.2.3 Nal V /'7- v- ?' 1::: J: 01!5iii!!±~l!IIJJEO) EGS4 1::: J: 0 ~ffilli . . . . . . . . 34
2.2.4 1i:lllflk<l!'ti:~!f>Jr1f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.2.5 ffi!Milli X kili!3E"E~Ji:O)il'lfi1;1i'lt~ . . . . . . . . . . . . . . . . . . . . . . 35
2.2.6 t'ltlft1i:lllflill50)jjlljJE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
3 1!1~:51~.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4 it'-'f.:'ti:~ • t'ltlft~{;ji . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5
4.1 {t(Jlil'j:$1Vf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.1.1 KEKB -y~* '/ t-~:li!J7J<M!lllltfRIJ;f;/7'Y"JO)!:I\~til::tk4o/.JWO)JJJt:$1:B'tJT . . 36
4.1.2 KEKB -y ~ * '/ I· l\\'t<P7J<7. 1-- v·-7-Y"liliil<l1'Jl4o/.JO)pjt:)t:$1tfr . . . . . . 36
4.1.3 KEKB '7 ~ * '/ t-1\\'*IJJJ<Vftf:j!jo/.)0):)1-tfr . . . . . . . . . . . . . . . . . . 36
4.1.4 KEK-B J'l;~'T :c / /-;;-Jtl7 t:z -t /-1;/--P'Jit*t!lo/.JO):)ttfr . . . . . . . . 37
4.1.5 KEKB t 7 C:: 7 7.'7- :c / /'-l:::mr¥-9 0~JI.i!Hr&:B'0):$1tJT . . . . . . . 37
4.1.6
4.1.7 1iJ:M,f;Jl1"f'-'f.:t /?'-l'lllP'l v;f;- H:::--:>,,-c ........................ .
37
38
39 39 39
5 .1 1iJ: M ,f;Jl ~ f* 0) ll1l P1 v ;r, - t- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.2
Chapter 3 i1l$1 40
1 'lt'l't . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
2 jilf'-'j!.:li)fJ!;Jtffi!J!b~ . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
3 t / ?' -±{l'/lO)j,JfJE~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4 !f>Jr1fmtli . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.1 ~itllJfJE:k'-'f.:~Jf$1: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.2 it!L:k'-'f.:#'IX'1li!Ji!f!:gijj~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5 1!!1tRYI-~ ~ ~~mtb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6 1i:ll!ftkili!#$t / ?' -4S f(f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Chapter 4 Publication Lists 47
1 Publications in Periodical Journals (2000.1-2000.12) . . . . . . . . . . . . . . . . . . . . 47
2 Publication in Japanese (2000.1-2000.12) . . . . . . . . . . . . . . . . . . . . . . . . . . 50
3 Book .............................................. 50
4 Presentation at Conference etc.(2000.4-2001.3) 51
IV
35 Radiation and Residual Dose Rate Induced by the Beam loss at Various
Injection Energies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
36
37
38
39
40
Radioactivity induced in a Electron Beam Dump . . . . . . . . . . . . . . . . . 19
36.1 Radioactivity induced in a 2.5-GeV electron beam dump . . . . . . . . 19
36.2 Radioactivity produced in thick targets by 0.1 - 10 GeV electrons . . 19 Resonance Ionization Spectroscopy (RIS) by Lasers 20 Response Function Measurements of the Self-TOF Neutron Detector for Neutrons up to 800 MeV ................................. 20
Response of a Three-Element Phoswich Detector Consisting of Inner BC501A Scintillator and an Outer BGO and CaFz(EU) Crystal Wall . . . . . . . . . . . 20 Space Radiation Dosimetry Using Passive Detectors . . . . . . . . . . . . . . . 21
40.1 LET distributions obtained by CR-39 plates onboard the space shuttle missions STS-84, 89 and 91 and the dose equivalent estimation by a combination of their distributions and TLD-data . . . . . . . . . . . . . 21
40.2 Development and application of TLD and CR-39 nuclear track detec-
tors for space radiation dosimetry . . . . . . . . . . . . . . . . . . . . . . 21 41 Study of Pion Transfer Processes of Pionic Atoms in the Gas and Liquid
Phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 42 Study on Activation Analysis using Flow Method for Radiochemical Sepa-
ration and Detection of 11 C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 43 Study on Positron Annihilation and Positronium Chemistry . . . . . . . . . . 23
43.1 Radiation effect on positronium formation in low temperature polyethylenes 23 43.2 An application of the coincidence Doppler spectroscopy for substances
of chemical interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 43.3 Pressure quenching of positronium in solid biphenyl . . . . . . . . . . . 23
44 The EGS4 Workshop, Class and User Support . . . . . . . . . . . . . . . . . . 24 44.1 The EGS4 workshop and class . . 24 44.2 User support concerning EGS4 . 24
Chapter 2 f!lf:!l'l::1(:tif.!i:I!J 25
26 26 26 27 28
28 28 28 29
1 j$:1fjij ••...•••
2
1.1 1.2
0 < lfii!l!R1il!:M~fJll'l11l!$:iM . S3 ~J:ili IR1il!:M ~ fJll'J11! \$:1fj1J
1.3 {ic"f.:'ti:~fJll'J11!f$:jfjlj . 1il!: M ~ 2'<:~ fJll' l11li!!J it . . . 2 .1 iR l!ji*z tg l11li!!J it . . .
2.1.1 m 1 !Rl!JIG 2.1.2 m 2 ~Rl!ji*z
2.1.3 m 3 ~Rl!ji*z 2.1.4 m 4 ~Rl!ji*z 29
2.1.4.1 1il!:MJ't71' Y 1- ~7'~~1itli.~<:rrvn.::5m 7 7 /7G*~~~=:l3
rt .::51il!:M~3'<::3':%tJ!t 29 2.1.5 m 5 ~Rl!ji*z • • . . . . . . . • . . . . • . . • • . • . . • . . • . . • . • • . 3o
iii
18.1 Measurement of the cross section for the 63Cu(n,p)63Ni reaction. . . . 10
18.2 39 Ar as a new probe of the fast-neutron fluence of the Hiroshima
atomic bomb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
19 Evaluation of Activated Materials in Accelerator Facility . . . . . . . 11
20 Experiments Using Synchrotron Radiation . . . . . . . . . . . . . . . . . . . . . 11
20.1 Current status of a low energy photon transport benchmark . . . . . 11
21 Fundamental Studies of'Iritium Separation Using Polyimide Membrane and
Its Application for 'Iritium Monitors in Accelerator Facilities 11
22 High-energy Photoneutron from 2 Ge V Electrons Incident on Thick Targets 12
22.1 Measurement of the neutron spectrum by the irradiation of a 2.04-
Ge V electron beam into thick targets . . . . . . . . . . . . . . . . . . . . 12
22.2 Measurements of photoneutron spectra from thick Pb target bom
barded by 1.2 and 2.0 GeV electrons . . . . . . . . . . . . . . . . . . . . . 12
22.2.1 Target thickness dependence of 90° direction photo-neutron
yields for 2GeV electrons . . . . . . . . . . . . . . . . . . . . 13
22.3 Measurements of 90° direction low-energy photo-neutron yields
for 2GeV electrons . . . . . . . . . . . . . . . . . . . . . . . . 13
22.4 Photoneutron calculation using CHIPS code . . . . . . . . . . . . . . . . 13
23 Improvement of Low Energy Photon 'Iransport in EGS4 code . . . . . 14
23.1 EGS4 simulation of K-X ray emission due to electron beam incident . 14
24 Measurement of 36Cl Induced in Shielding Concrete of the 12 GeV Proton
Accelerator Facility at KEK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
25 Measurements of Cross Section for 75 MeV Neutrons. . . . . . . . . . . . . . . 15
25.1 Measurements of double differential (n,xZ) cross section of nitrogen,
Oxygen and Aluminum for 75 MeV neutrons . . . . . . . . . . . . . . . . 15
25.2 Measurements of elastic scattering cross sections for 75 MeV neutrons 15
26 Measurement of Induced Radioactivities for the Evaluation of Internal Ex
posure at High Energy Accelerator Facilities . . . . . . . . . . . . . . . . . . . . 15
27 Measurement of Neutron Leakage through Labyrinth from High Energy
Proton Accelerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
28 Measurement of Production Cross Sections for 12 GeV Proton Reactions
29
30
with Heavy Targets (Pb,Bi) used as Spallation Neutron Sources . . . . . . . 16
Measurements of Scintillation Photons in High Pressure Rare Gases
Neutron Yields from Thick C, AI, Cu, and Ph Targets Bombarded 16
by 400 MeV I nucleon Ar, Fe, Xe, and 800 MeV I nucleon Si Ions . . . . . . . . 17
31 Observation of 180° Correlation of e+e- pair originating from e+(82Sr) + Th
Interactions . . . . . . . . . . . . . . . . . . . 17
32 Particle Size Distribution of Radioactive Aerosols Formed in Accelerator
Tunnel Air during Machine Operation . . . . . . . . . . . . . . . . . . . . . . . . 18
33 PICA3, An Updated code of Photo-Nuclear Cascade Evaporation Code
PICA95, and its Benchmark Experiments .......... . 18
34 Preparation of Radio-Labeled Fullerenes Using Accelerator . . . . . . . . . . 18
ii
Contents
Chapter 1 Research Activities 1 1 Absolute Scintillation Yields of Inorganic Scintillation Crystals and The
Factors Affecting Their Resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 Accelerator Radiation Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.1 Measurements of X-rays from the RF systems of the electron-linear accelerator for KEKB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 Airborne Gases at High-Energy Accelerator Facilities . . . . . . . . . . . . . . . 3 4 Airborne Radioactivity Measurement for Evaluation of Internal Exposure
5
6
7
8
9
at High Energy Proton Accelerator Facilities ................... . 3 Application of Monte Carlo Code to a Study of Gamma-Ray Buildup Fac-tors, Skyshine and Duct Streaming . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Application of PTEDs to Fast Neutron Dosimetry ............... . 4 6.1 Fast neutron sensitivity of a new plastic track etch detector TNF-1
in the energy region of 0.25 to 15 MeV . . . . . . . . . . . . . . . . . . . . 4 Benchmark Calculation with Simple Phantom for Neutron Dosimetry .... Characterization of 11 C, 13 N and 150 produced in Air through Nuclear Spallation Reactions by High Energy Protons . . . . . . . . . . . . . . . . . . . . .
Calibration of BaF2 Scintillators for the Particle Energy and Species ...
4
5 5
10 Complexation of Crown Ether Chromoionophores with Alkali Metal Ions in Surfactant Micelles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
11 Deep Penetration Experiment at ISIS . . . . . . . . . . . . . . . . . . . . . . . . . 6 12 Dependence of the Doppler-broadening of the Positron-Annihilation Radi-
ation in C60 Fullerenes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 12.1 Positron annihilation inside C 60 . • • • • • • • • • . . • . • • • • • • . . . . 7
13 Development of DUCT-III Code for Duct Streaming Calculation up to 3GeV 7 14 Developement of a Quasi-monoenergetic Neutron Field and Measurements
of the Response Function of an Organic Liquid Scintillator the Neutron Energy Range from 66 to 206 MeV . . . . . . . . . . . . . . . . . . . . . . . . . . 8
15 Development of Silver Activation Type neutron Detector . . . . . . . . . . . . 8 16 Development of Slow Positrn Beam for Positron and Positronium Chemistry 9
16.1 New system for a pulsed slow-positron beam using a radioisotopes . . 9 16.2 Application of pulsed slow-positron beam to low-density polyethylene
film. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
17 Development of Thermal Neutron Calibration Field with Graphite Pile . . . 9 18 Estimation of the Fast Neutron Fluence of the Hiroshima Atomic Bomb . . 10
i
4.1 International Conference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
4.2 Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5 Reports etc. {2000.4-2001.3} . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
5.1 KEK Proceedings . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 58
5.2 KEK Internal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6 Internal Reports of Radiation Science Center {2000.4-2001.3} . . . . . . . . . . . . . . 59
6.1 RAD-D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
6.2 RAD-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.3 RAD-A . . . . . . . . . . 65
6.4 CHEM-A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
6.5 CHEM-W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
v
Chapter 1 Research Activities
The feature of the research activity in the Radiation Science Center is a wide coverage of the research
fields. The research fields of staff members are nuclear engineering, nuclear chemistry, health physics,
chemistry, and accelerator shielding. Here we briefly described the present status of each research
activity carried out in fiscal year 2000.
1
1 Absolute Scintillation Yields of Inorganic Scintillation Crystals and The Factors Affecting Their Resolutions
S. Sasaki, H. Tawara, K. Saitoh1 , M. Miyajima2 and E. Shibamura3
KEK, 1 The Graduate University of Advanced Studies, 2 f*ckui University, 3 Saitama Prefectual University
We have been studying the absolute scintillation efficiency for gamma rays in several kinds of inorganic scintillation crystals and the factors affecting their energy resolutions. In the studies, the scintillation efficiency is measured in terms of W,-value, defined as Nv/ E, where Np is the number of scintillation photons produced in the crystal for the gamma ray with an energy of E. The value of Np is given by the relation: Npe = Np x Fe x Q., where Npe is the number of photoelectrons from the photocathode of a photomultiplier tube (PMT), Fe the fraction of photons collected at the photocathode, and Qe the quantum efficiency of it. Npe can be measured precisely by operating the PMT as a photodiode and using the preamplifier calibrated in terms of absolute charge numbers. Qe can be measured independently as a function of wavelength. Fe is evaluated by calculating the number of photons from the energy deposition using the electron response function in the crystal with the EGS4 code and by simulating the following photon transport inside the crystal using another Monte-Cairo code (SPC3) incorporated into the EGS4 code (EGS4/SPC3).
In the system of 3"qlx3"Nai(Tl) +3"PMT, W,-value was determined to be 11.7±0.3 eV. The energy resolution for gamma-rays from 137Cs (662 keV) was measured to be 7.7% in FWHM and agrees well with the width calculated using the EGS4/SPC3 code (7.6%).
Presented partly at the 48th Conference of the Japan Society of Applied Physics in Tokyo, the 2nd International Workshop on EGS in KEK, and the 15th workshop on Radiation Detectors and Their Uses in KEK.
2 Accelerator Radiation Safety
2.1 Measurements of X-rays from the RF systems of the electron-linear accelerator for KEKB
H. Nakamura, S. Ban, K. Takahashi, T. Oogoe and A. Enomoto KEK
The RF systems of an electron linear accelerator are important sources of X-rays. A unit of the RF system consists of a klystron, an RF compressor, three RF dividers and a set of waveguides in KEKB linac. X-ray exposure from a klystron collector is well known. Recently, RF compressors have been used in a high peak-power RF system and X-rays from the compressors became an important problem. In the KEK 8-Ge V electron-linear accelerator for KEKB, the X-rays doses from these components were measured with a TLD (thermoluminescent dosimeter). The spatial distribution of the X-ray intensity around these components (SLED, RF divider) was measured by using an IP (imaging plate).
Presented at lOth Symposium of the International Radiation Protection Association, 2000, Hiroshima (IRPA-10).
2
3 Airborne Gases at High-Energy Accelerator Facilities
Y. Oki, Y. Kanda, K. Kondo and A. Endo1
KEK, 1 JAERI
Carbon-11 is one of the principal airborne radioisotopes produced through nuclear spallation reaction by high-energy particles, such as protons and neutrons. To clarify the chemical form of gaseous 11 C,
irradiation of atmospheric air with high-energy protons has been performed at the 12 Ge V proton
synchrotron. The chemical species were found to be only 11 CO and 11 C02 and the proportions were
approximately 80% for 11 CO and 20% for 11 C02.
4 Airborne Radioactivity Measurement for Evaluation of Internal Exposure at High Energy Proton Accelerator Facilities
M. Numajiri, Y. Oki, T. Miura, T. Suzuki and K. Kondo KEK
Principal materials (AI, Fe, Ni, etc.) used in accelerator hardware were irradiated at various places in tunnels of KEK-500MeV and 12GeV proton synchrotrons. Production rates of individual nuclides
and their time variations after beam-off were examined extensively.
A filter sampling method was applied to evaluate an internal exposure by the inhalation of ra
dioactive airbornes. Both G M and Ge semi-conductor counting methods were used to measure their
radioactivities, and some problems in evaluating the radioactivities by these methods were discussed.
Published as KEK Internal 2000-19, March 2001.
5 Application of Monte Carlo Code to a Study of Gamma-Ray Buildup Factors,
Skyshine and Duct Streaming
H. Hirayama
KEK
It has become possible to apply a Monte Carlo code to a specified shielding calculation, including
deep-penetration problems, within a reasonable CPU time along with a recent drastic increase in computational power. It is, however, not reasonable to apply a Monte Carlo code to all shielding
calculations at each step. Many shielding calculations for gamma-rays have continued to rely on point-kernel methods incor
porating buildup factor data. Line beam or conical beam response functions, which are calculated
using a Monte Carlo code, for skyshine problems are useful to estimate the skyshine dose from various facilities. A simple calculation method for duct streaming was proposed using the parameters
calculated by the Monte Carlo code. It is therefore important to study, improve and produce basic parameters related to old, but still
important, problems in the fields of radiation shielding using the Monte Carlo code. In this paper,
these studies performed by several groups in Japan as applications of the Monte Carlo method are
3
discussed.
Presented at MC2000, International Conference on Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications, 23-26 October, 2000, Lisbon, Portugal.
6 Application of PTEDs to Fast Neutron Dosimetry
6.1 Fast neutron sensitivity of a new plastic track etch detector TNF-1 in the energy region of 0.25 to 15 MeV
H. Tawara, T. Sanami, A. Nagamatsu\ M. Masaki\ H. Kumagai1 and K. Ogura2
KEK, 1 NASDA, 2 Nihon Univ.
CR-39 is a Plastic Track Etch Detector (PTED) with a high detection efficiency for energetic heavy charged particles. The addition of a small amount of antioxidant to pure CR-39 has further improved the PTED characteristics such as the track-formation sensitivity. The long-term stability of latent tracks and insensitivity to gamma-rays along with the high capacity for registering recoil-proton tracks initiated the study of CR-39 as a neutron dosimetry material. Many types of neutron dosimeters based on CR-39 have been developed so far. However, its application to neutron dosimetry is only in the neutron-energy region of approximately 10 MeV or less. Recently, Ogura et a!. have been developing new PTED materials and have improved the track-formation sensitivity in the lower LET region. The commercially-available HARZLAS TNF-1 developed by them has a higher track-formation sensitivity than TD-1 below 10 keV /mm of REL200eV in the PTED material. This sensitization enables registration of tracks of normally-incident protons up to 27 MeV. In this study, the neutron sensitivity of TNF-1 and TD-1 were compared experimentally in the neutron energy range from 0.25 MeV to 15 MeV in order to demonstrate the superior fast-neutron sensitivity of TNF-1.
Presented at the 15th Workshop on Radiation Detectors and Their Uses, 31 Jan. - 2 Feb. 2000, KEK, Tsukuba.
7 Benchmark Calculation with Simple Phantom for Neutron Dosimetry
N. Yoshizawa, Y. Sakamoto', S. Iwai2 and H. Hirayama3 1 MRI, Mitsubishi Research Institute, 2 JAERI
3 NDC, Nuclear Development Corporation, 4 KEK
Benchmark calculations for high-energy neutron dosimetry were performed. Neutron induced energy deposition in cylinder phantom( radius lOOcm, depth 30cm) was calculated. Incident neutron energies were from 100 to 10000MeV. Four single element (hydrogen, carbon, nitrogen, and oxygen) phantoms and ICRU four-element tissue phantom were used. Depth dose distributions in the central region(R=0-1cm) and the whole region(R=0-100cm) were calculated. Calculated results of FLUKA, MCNPX, and HETC-3STEP were compared. There were large differences among calculated results especially for the single element phantom up to a factor of 7.
Presented at Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF-5) Paris, France, July 17-21, 2000.
4
8 Characterization of 11 C, 13N and 150 produced in Air through Nuclear Spallation Reactions by High Energy Protons
A. Endo, Y. Oki1 , Y. Kanda1 , K. Kondo1
JAERI, 1KEK
11 C, 13N and 150 are principal short-lived radionuclides formed in air of operating high-energy
proton accelerators. In this work, their gaseous and aerosol fractions were measured, and chemical forms of the gaseous fraction were characterized.
Presented in IRPAlO, The lOth International Congress of The International Radiation Protection Association, P6a-336, Hiroshima, 2000.
9 Calibration of BaF2 Scintillators for the Particle Energy and Species
T. Hiroishi, T. Sanami1 , M. Takada2, M. Baba Tohoku Univ., KEK1, NIRff2
BaFz scintillators, which are used a counter telescope system to measure the (n,xZ) reaction DDX in
TIARA, are calibrated by using mono-energetic charged particles of protons, deuterons and alphas in
tens MeV region. The particles are produced Cyclotron in NIRS. From the results, light output of
the BaF2 scintilla tors are non-liner with particle energy and strongly depend on Z of particles. The
(n,xZ) DDXs measured by the telescope system are corrected by using the results.
Presented partly at the 2001 Annual Meeting of the Atomic Energy Society of Japan.
10 Complexation of Crown Ether Chromoionophores with Alkali Metal Ions in Surfactant Micelles
K. Bessho, Y. Kanda, H. Yamamoto\ S. Taniguchi2 , T. Hayash*ta2 , and N. Teramae2
KEK, 1 TOKUYAMA Corp., 2 Tohoku Univ.
Crown ether compounds are known as selective complexing reagents for alkali metal ions. Our co-workers have synthesized various types of organic compounds, in which crown ether groups are
linked to chromophore groups. These compounds, which are called chromoionophores, form complexes with alkali metal ions, and UV-absorption spectra of them change accompanied with complexation.
However, interaction between crown ethers and metal ions are weak in water, so spectral change can be observed only in pure organic solvents or water-organic solvent mixed solutions.
Surfactant molecules form molecular assemblies called micelles in aqueous solutions. It is expected
that complexation ability of crown ethers increase in aqueous micellar solutions because of oil-like en
vironment inside micelles. We have examined the complexation aspects of three kinds of Na+ selective
chromoionophores in surfactant micelles. It was found that absorption spectra of the chromoionophores
change in the presence of Na + ion in aqueous micellar solutions, although the concentrations of surfactants are low (below 1%(v/v)). The complexation constants between chromoionophores and Na+ ions in aqueous micellar solutions are equivalent to the complexation constants in water - organic solvent
mixed solutions in which concentrations of organic solvents are above 50%(v/v).
5
11 Deep Penetration Experiment at ISIS
N. Nakao, T. Shibata, T. Nunomiya1, T. Nakamura1, E. Kim1 , T. Kurosawa1, S. Taniguchi1 ,
M. Sasaki1, H. Iwase\ Y. Uwamino2, S. Ito2, P. Wright3, and D. R. Perry3 KEK, 1 Tohoku Univ., 2 RIKEN, 3 Rutherford Appleton Lab.
A deep penetration experiment was performed at a spallation neutron source facility, ISIS. In the ISIS target station, a thick tantalum target is irradiated by 800 MeV-200ttA protons, and is shielded by 284-cm thick iron and 97-cm thick concrete at upward direction. In the experiment, concrete slabs of up to 120-cm thickness or iron slabs of up to 60-cm thickness were additionally equipped at the top of the bulk shield. Neutrons leaked through the transverse bulk shield and additional shield were measured by various activation detectors using 12C(n,2n) 11 C, 209 Bi(n,xn)210-xBi(x = 4 ~ 10) and 27 Al(n,a)24 Na reactions; and by an indium activation multi-moderator spectrometer. The reaction rates and the neutron energy spectra in a neutron energy range from thermal to 400 MeV for the various thicknesses of concrete and iron were obtained. These experimental data will be useful as a benchmark data for neutron deep penetration. From thus-obtained attenuation profiles of 12C(n,2n) and 209Bi(n,xn) reaction rates, the attenuation lengths of high-energy neutrons produced at 90 degree by 800-MeV protons were estimated for concrete and iron. The intra-nuclear-cascade-evaporation Monte Carlo calculations with HETC-KFA2 code and the discrete-ordinates calculations with ANISN code and DLC119/HIL086 cross-section library were also performed to compare with the experimental data. The calculations gave big underestimated neutron fluxes for deep penetration, and gave about 10~20% shorter attenuation lengths.
Presented at 5th Specialists Meeting on Shielding Aspects of Accelerator, Targets and Irradiation Facilities (SATIF-5), OECD/Nuclear Energy Agency, Paris, France, 18-21 July 2000., and published in KEK preprint 2000-60, July 2000.
12 Dependence of the Doppler-broadening of the Positron-Annihilation Radiation in C6o Fullerenes
Y.Ito
KEK
In C6o fullerene specimens, a single component of a positron lifetime of about 390 psec has been reported by Yutaka ITO and Takenori SUZUKI,(1999)[1]. According to a calculation, the positron density distribution in C6o is quite different with respect to the approximation model of the electronpositron correlation. Unfortunately, in spite of a large difference in the calculated distributions, the differences in the lifetimes expected by these models are smaller than the uncertainties of the measurements. On the other hand, Doppler-broadening of annihilation radiation has been known to be a probe of the density in the momentum space of electrons sampled by a positron. A monotonic correlation of the Doppler-broadening of positron-annihilation radiation in solid C60 with the temperature was observed between 77K and 299K. Since the change in the spectrum due to the temperature was very small, the spectrum was analyzed by a method which reduced the effect of the statistical uncertainties of the spectrum. The observed temperature dependence is interpreted as being due to a
6
thermal expansion of the lattice spacing between the C6o molecules, where positron annihilation took
place at the interstitial regions between the C6o molecules.
[1] Y. Ito and T. Suzuki, "Positron annihilation in C6o and C7o fullerenes and other carbon phases",
Phys. Rev. B60(1999)15636-15638.
12.1 Positron annihilation inside C6o
Y.Ito
KEK
It has been considered that positrons in pure C6o are distributed in the interstitial sites between
the C6o molecules. However, it is possible to resides a positron inside a C60 molecule when the
interstitial space between the C60 molecules becomes filled with alkali atoms. We report here the
positron-annihilation characteristics, lifetime and Doppler-broadening for the annihilation radiation,
in K6C6o· We have observed that both the lifetime and Doppler-broadening spectrum of K6C6o can be
separated into two components. In both measurements, the value of one component is close to the value
observed for positron annihilation in pure C6o, where a positron annihilates with an electron outside of
a C6o molecule. On the otherhand, we have observed for K6C6o the short lifetime (197psec), and the
extremely small Doppler-broadening on the annihilation spectrum corresponding to the mean electron
momentum distribution of 0.95 x 10-3 moe (FWHM). These components are considered to reflect
positron annihilation inside a C60 molecule. These demonstration will lead to further applications to
spectroscopy inside a C6o molecule.
13 Development of DUCT-III Code for Duct Streaming Calculation up to 3GeV
H. Nakano, R. Tayama, T. Tsukiyama, H. Handa, K. Hayashi, K. Shin\ H. Hirayama2 , H.
Nakashima3 , F. Masukawa3 , N. Sasamoto3 , K. Yamada4 and T. Abe4
Hitachi Engineering Co. , Ltd., 1 Kyoto University, 2KEK, 3 JAERI, 4 Start Com Co., Ltd.
A simple and useful code for radiation streaming calculations named DUCT-III with updated high
energy albedo data up to 3 GeV neutrons was developed. DUCT-III can treat cylindrical duct,
rectangular duct, annulus, and slit geometry. Multi-legged geometry is also available. As an output,
we can get energy spectra at many positions along the duct center axis.
We performed benchmark analyses with neutron streaming experiments at TIARA and NIMROD
to validate the applicability of DUCT-III. The results with DUCT-III were in agreements with the
experiments for neutron dose equivalents and reaction rates with activation detectors. Therefore,
the applicability of DUCT-III to the shielding design work of the high energy neutron facilities was
validated.
Presented at Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF-5) Paris,
France, July 17-21, 2000.
7
14 Developement of a Quasi-monoenergetic Neutron Field and Measurements of the
Response Function of an Organic Liquid Scintillator the Neutron Energy Range
from 66 to 206 MeV
N. Nakao, T. Kurosawa1, T. Nakamura1 , Y. Uwamino2
KEK, 1 Tohoku Univ., 2 RIKEN
A quasi-monoenergetic neutron field was developed using a thin 7Li target bombarded by protons
in the energy range from 70 to 210 MeV at the RIKEN ring cyclotron facility. The neutron energy
spectra were measured with an NE213 organic liquid scintillator using the TOF method. The absolute
peak neutron yields were obtained by measurements of 478 keV 1-rays from 7Be nuclei produced in a 7Li target through the 7Li(p, n) 7Be (g.s.+0.429 MeV) reaction.
Using the neutron field, the absolute values of the neutron response functions of a 12. 7-cm diameter by 12. 7-cm long NE213 organic liquid scintillator were measured, and were compared with calculations
using a Monte Carlo code developed by Cecil et al. The measured response functions without any
wall-effect events were also obtained, and compared with calcualtions using a modified Monte Carlo
code. Comparisons between a measurement and a calculation both with and without any wall-effect
events gave a good agreement.
Presented at the International Workshop on Neutron Field Spectrometry in Science, Technology and Radiation Protection, Pisa, Italy, 4-8 June, 2000., and published in KEK preprint 2000-58, July
2000.
15 Development of Silver Activation Type neutron Detector
K. Sato, S. Sasaki!, M. Horiuchi2 and T. Miyamoto
Nihon University, 1 KEK, 2 Konica Corporation
In order to measure burst neutrons emitted from the plasma focus, a silver-activation type detector has been developed. Silver foils of 0.2 mm thickness are irradiated by neutrons, and radioactive 108 Ag and 110 Ag nuclei are produced in the foils. These radioactive nuclei, 108 Ag and 110 Ag, decay to cadmium nuclei, emitting beta rays with a half life of 144.6 sec and 24.57 sec, respectively. In our case
only 110 Ag was used for neutron detection by discriminating the pulses from beta rays of 108 Ag. The beta rays are detected by a plastic scintillation counter, output pulses of which are amplified with a
linear amplifier and recorded in a scaler. A sandwich of 19 silver foils and 20 plastic scintillators is
attached to a photomultiplier. The neutron fluence at the detector can be determined from the total
counts of beta rays.
Presented partly at the 8th Asia-Pacific Phys. Conf. in Taipei (Aug. 7-10, 2000), and the Pulsed
Power Meeting in Korea (Oct. 26-27, 2000).
8
16 Development of Slow Positrn Beam for Positron and Positronium Chemistry
16.1 New system for a pulsed slow-positron beam using a radioisotopes
E. Hamada, N. Ohshima, T. Suzuki1 , H. Kobayashi\ K. Kondo1 , I. Kanazawa2 , andY. Ito3
The Graduate University for Advanced Studies, 1 KEK, 2 Tokyo Gakugei University, 3 Tokyo University
To analyze the surface of polymers using positron-annihilation lifetime spectroscopy (PALS), a
pulsed slow-positron beam system having both a high pulsing efficiency and a good time resolution
is now under development. The time resolution, which is defined by the full width at half maximum
(FWHM), and the pulsing efficiency of this system were achieved to be 0.54ns and 50polyethylene
(LDPE), obtained by PALS using our new pulsing system, agreed with that obtained by a conventional
PALS.
Published in Radiation Physics and Chemistry 58(2000) 771-775.
16.2 Application of pulsed slow-positron beam to low-density polyethylene film
E. Hamada, N. Ohshima2 , K. Katoh, T. Suzuki1, H. Kobayashi\ K. Kondo1 , I. Kanazawal, and
Y. Ito4
Ibaraki Prefectural University of Health Sciences, 1 KEK, 2 RIKEN, 3 Tokyo Gakugei University, 4 Tokyo University
A pulsing system for a slow-positron beam was applied to study near the surface of a low-density
polyethylene (LDPE) film using a positron-annihilation lifetime measurement. The lifetime and in
tensity of ortho-positronium (o-Ps) near the surface were measured as a function of incident positron
energy (1.6 ~9.1 keV). The size of intermolecular spaces in the surface region (~1500 nm) was larger
than that in the bulk region. This tendency was especially strong in the region around 200 nm be
low the surface. On the other hand, the intensity of o-Ps decreased with decreasing in the incident
positron energy, which was considered to be attributed to the decrease in the density of the spur
electrons and/ or the increase in the number of reemitted positrons from the surface.
Presented at 32nd Polish Seminar on Positron Annihilation (32SPA), Jarnoltowek, Poland, Septem
ber 18-22,2000.
17 Development of Thermal Neutron Calibration Field with Graphite Pile
T. Sanami, S. Yonai\ S. Sasaki, T. Michikawa, A. Uritani2, T. Shibata, T. Nakamura1
KEK, 1 Tohoku Univ., 2 Nagoya Univ.
Thermal neutron calibration field with a graphite pile and radioactive neutron sources is established
in KEK. The pile is 2500 mm (L) x 1900 mm (D) x 1900 mm (H). Absolute thermal neutron
distribution and Cd ratio in the pile is determined by gold foil activation method. At outside of
the pile, it is also determined by 3He proportional counter. The distribution is well simulated by
MCNP /4B code. In addition, we adopt a detector consisting of a ZnS(Ag)+Li(OH) scintillator and
9
an optical fiber to the distribution measurement in the pile. In the next year, we will start applications of the thermal neutron filed.
Presented partly at 2000 Annual Meeting the Atomic Society of Japan.
Submit to KEK internal (in Japanese).
18 Estimation of the Fast Neutron Fluence of the Hiroshima Atomic Bomb
Y. Ito, T. Shibata, S.Shibata\ N. Nogawa2, M. Imamura3 , Y. Uwamino4 and K. Shizuma KEK, 1 Research Reactor Institute Kyoto University, 2 University of Tokyo, 3 National Museum of Japanese History, 4 RIKEN, 5 Hiroshima University
Reassessment of the neutron f!uence of the Hiroshima atomic bomb is an essential step to estimate a risk of radiation for human. Since the recent studies for the thermal neutron f!uence of the Hiroshima atomic bomb reported a systematic discrepancy from the DS86 dose estimate, the extensive study to the fast-neutron fluence is particularly required. There has been only one measurement of the fastneutron fluence of the Hiroshima atomic bomb, but which was done by a primitive electroscopedetector, the uncertainties of which was too great to permit an accurate estimation. To help resolve this problem, new measurement using the modern equipment are particularly desirable.
We have been trying to estimate the fast neutron fluence with the residual radioactivity of 63Ni in copper. 63 Ni is produced in copper by the 63 Cu(n,p)63Ni reaction. Energy of the threshold of this reaction is approximately 1MeV. Since a half life of 63 Ni is 100 year, 70% of 63 Ni produced by the atomic bomb presently exists in a copper sample at 50 years after the explosion.
18.1 Measurement of the cross section for the 63 Cu(n,p)63Ni reaction
To estimate the fast-neutron fluence from the residual 63 Ni activity, the cross section of the 63 Cu(n,p) 63 Ni reaction have been studied. Except for one measurement over the neutron energy range of 7.2 to 14.6 MeV, there have been no measurement for this reaction at the neutron energy corresponding with the Hiroshima atomic bomb.
In our experiment, the copper targets were irradiated by neutrons in an energy range of 1.5 to 6.5 MeV, respectively, which produced with the d(d,n) reaction at the Fast Neutron Laboratory of Tohoku University. After irradiation, the nickel was separated from the copper target through the same procedure for the copper sample of the Hiroshima atomic bomb. The obtained cross section will be applied to estimate the neutron energy spectrum of the Hiroshima atomic bomb.
18.2 39 Ar as a new probe of the Jast-neutron fluence of the Hiroshima atomic bomb
In addition to the 63Ni method, there is another candidate reaction to estimate the fast-neutron fluence of the Hiroshima atomic bomb. 39K(n,p) 39 Ar reaction has an approximately same energy threshold as the 63Cu(n,p) 63Ni reaction and 39 Ar has a sufficiently long half-life to exists for a period of 50 years after the explosion. We are trying to separate 39 Ar from the sample. Many ceramic materials, such as bricks or tiles, for example, are available as the sample of this method, since
10
which contain potassium as impurity. In addition to the estimation of the fast neutron fluence of the Hiroshima atomic bomb, since the ceramic sample is a very popular material, this method could be
useful for a reassessment of other nuclear-explosion test sites.
19 Evaluation of Activated Materials in Accelerator Facility
K. Masumoto, K. Eda, A. Toyoda, T. Ishihara
KEK
In advance of the decommissioning of 1.3GeV electron synchrotron and SF-cyclotron, residual radioactivities in accelerator components, shielding materials and building have been measured. The
good linear relationship between surface dose rate and the specific activity of 6°Co, which is a typical
radionuclide observed in concrete sample was observed in above two accelerator facilities, respectively. Additionaly the spatial distribution of neutron induced by nuclear reaction under operation in accel
erator room was measured with the coupled use of activation detector and bio-imaging analyser. The
observed data and residual radioactivities of concrete show the good correlation.
Presented at lOth Symposium of the International Radiation Protection Association, 2000,
Hiroshima (IRP A -10).
20 Experiments Using Synchrotron Radiation
20.1 Current status of a low energy photon transport benchmark
H. Hirayama, S. Ban andY. Namito
The scattered-energy spectra of monochronized synchrotron-radiation photons toward 90° by samples ( C, Cu, Pb) were measured using high-purity Ge detectors. The incident photons were in a
linearly polarized beam of 20, 30 and 40ke V. To investigate the validity of the EGS4 code regarding photon transport in the ke V region, we performed systematic comparisons of measurements and EGS4. EGS4 calculations were performed in default status and with improvements of low-energy
photon transport (linearly polarized photon scattering, Doppler broadening, L-X and K-X). The measurement and calculations were compared in absolute values. Both the intensity and the shape of the
peaks were compared. EGS4 calculations with improvements in low-energy photon transport agreed
well with the measurements.
Presented at Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF5), Paris,
France, July 17-21, 2000.
21 Fundamental Studies of Tritium Separation Using Polyimide Membrane and Its
Application for Tritium Monitors in Accelerator Facilities
S. Sasaki, M. Akahori\ A. Shimada\ K. Okuno\ T. Suzuki and K. Kondo KEK, 1 Shizuoka University
11
In order to construct a real-time and continuous monitoring system for tritium in the air released from high-energy accelerator facilities using polyimide membranes, the performance and characteristics of the membranes in tritium separation have been examined in detail. The experiments for separation and enrichment of several species of gases were performed for the samples ofH2+Air, D2+Air, He+ Air, H2+D2+Air, C02+Air, H2+Ar, D2+Ar and C02+Ar. The isotope effect in the enrichment was examined using hydrogen isotopes in nitrogen. It was found that the enrichment factors for H2 and D2 more than 30 were attained by selecting the experimental condition and were independent of the hydrogen concentration in the range from 0.05 to 0.5 %. No clear evidence for isotope effects in the enrichment factor was observed.
Presented partly at the 44th Symposium on Radiochemistry, the 2nd Workshop of Environmental Chemistry in KEK, and the lOth International Congress of the International Radiation Protection Association (IRPA-10) in Hiroshima.
22 High-energy Photoneutron from 2 GeV Electrons Incident on Thick Targets
22.1 Measurement of the neutron spectrum by the irradiation of a 2.04-GeV electron beam into thick targets
T. Sato, K. Shin, R. Yuasa, and S. Ban1 and H. S. Lee2
Kyoto University, 1 KEK, 2 POSTECH
Inclusive neutron spectra produced by the irradiation of a 2.04-GeV electron beam into thick AI, Cu, Sn and Pb targets were measured by the TOF method. For such a high-energy region, it was the first experiment to measure the inclusive neutron spectra. A lead shield was placed at the middle point of the flight path to suppress any strong photon or electron background. The effects of the shield on the neutron spectra were calculated by the LAHET2. 7 code with a small modification. The measured neutron energy in the experiments was from 10 MeV to 200 MeV. The measured spectra were used for a benchmark test of our modified PICA95. It was found that the neutron spectra predicted by a combination of EGS4, our modified PICA95 and LAHET2. 7 codes, tend to underestimate the measured ones.
To be published to Nucl. Instrum. Meth. A (KEK Preprint 2000-109).
22.2 Measurements of photoneutron spectra from thick Pb target bombarded by 1.2 and 2.0 GeV electrons
S. Ban, Y. Namito, H. Hirayama, N. Terunuma, J. Urakawa, T. Satol, R. Yuasal, K. Shinl, H. S. Lee2 and J. S. Bak2
KEK, 1Kyoto University, 2 POSTECH
Photoneutron spectra were measured using the TOF method when thick targets were bombarded by high-energy electrons. At the ATF Linac in KEK and 1.2 GeV electrons bombarded a thick Pb target. At the injection Linac of the Pohang Accelerator Laboratory, 2.04 Ge V electrons were used. The detector was 5.6 m distant from the target. Several detectors were tested. Neutrons toward 90
12
degrees from the target were measured up to 150 MeV at the ATF, and 200 MeV at PAL. Calculations
of neutron energy spectra were also done using PICA3 and EGS4.
Presented at Proc. of the Second International Workshop on EGS, Aug. 8-12, 2000, KEK Tsukuba,
Japan.
22.2.1 Target thickness dependence of goo direction photo-neutron yields for 2GeV
electrons
T. Sato, R. Yuasa, K. Shin, S. Ban1 and H. S. Lee2
Kyoto University, 1 KEK, 2 *PAL
Thick target photoneutron yields for 90 deg. were investigated when 2 GeV electrons incident on C,
AI, Cu, Sn, Pb, and Bi targets. Data were fitted as a function of the target thickness and z number.
Presented at 2001 Annual Meeting of the Atomic Energy Society of Japan, March 27-29, 2001,
Tokyo.
22.3 Measurements of goo direction low-energy photo-neutron yields
for 2GeV electrons
S. Maetaki, T. Sato, K. Shin, S. Ban1 and H. S. Lee2
Kyoto University, 1 KEK, 2 *PAL
Low-energy photoneutron spectra for 90 deg. were measured when 2 GeV electrons incident on various
thickness of targets. The spectra were integrated and low-energy neutron yields were obtained.
Presented at 2001 Annual Meeting of the Atomic Energy Society of Japan, March 27-29, 2001,
Tokyo.
22.4 Photoneutron calculation using CHIPS code
Y. Namito, H. Hirayama and M. V. Kossov
KEK
Photoneutron spectra from Pb target bombared by 266 MeV electron beam was calculated. The
neutron emission angle was 90°. Photon track length was calculated by EGS4 code. Total photonuclear
reaction cross section was obtained from fitting of experimental data. An photonuclear event generator
CHIPS code was used for the calculation [1]. The difference between measurement and calculation
was within 30% for most of the neutron energy.
[1] Kossov, M. V., "Manual for the CHIPS event generator", KEK Internal 2000-17 (2001).
13
23 Improvement of Low Energy Photon Transport in EGS4 code
23.1 EGS4 simulation of K-X ray emission due to electron beam incident
Y. Namito and H. Hirayama KEK
Calculating the energy spectra and angular distribution of photons induced by interactions between a keV-MeV electron beam and a target is one of the important problems in a field where a generalpurpose electron-photon transport code can be applied. For example, a simulation of the widely used X ray generator is closely related to this kind of calculation.
When electron beam incident on a sample, K-X ray is generated via two channels:
1. Bremsstrahlung photon is absorbed by atoms (photoelectric effect) 2. Electron collides with K shell electron and a vacancy is created in K shell. This is called as
electron impact ionization (Ell).
In the original EGS4 code, only channel 1) was considered. We implemented channel 2) to EGS4 code.
Recently we updated this improved program so that it is ready to built up for EGS5. Here, two modifications were applied to Ell K-X calculation.
1. Fluorescent yield was updated. 2. Possible underestimation of K13 is now avoided by means of improvement of piecewise linear fitting
named "Local extrapolation method" and increasing the number of photon energy intervals.
Comparison of EGS4 code and measurements regarding K-X rays induced by interactions between an electron beam and samples were performed to verify the validity of the improvement of the code.
Published in Japanese J. of Med. Phys. 20 Sup.4 278-281 (2000). Presented at MC2000, International Conference on Advanced Monte Carlo for Radiation Physics,
Particle Transport Simulation and Applications, 23-26 October, 2000.
24 Measurement of 36Cl Induced in Shielding Concrete of the 12 GeV Proton Accelerator Facility at KEK
T. Miura, K. Bessho, S. lshihamal, D. Arai2, Y. Nagashima2
, T. Takahashi2 and R. Seki2
KEK, 1 TNS, 2 University of Tsukuba
Radioactive concentration of 36Cl induced in shielding concrete of the 12 GeV proton beam-line tunnnel at KEK has been measured by accelerator mass spectrometer. The atomic ratio of 36 Cij35 Ci in shielding concrete at the inside surface was 1.4 x 10-8 •
From this result and chlorine concentration (about 100 ppm) of the shielding concrete, which has been measured using X-ray fluorescence analysis, the specfic radioactivity of 36Cl in the shielding concrete at the inside surface was estimated to 1.3 x 10-3 Bq/g. The concentration of 36Cl decreased to the inclease in the depth from the inside surface of the shielding concrete same as other nuclides,
14
such as 3H, 22Na, 6°Co and 152Eu etc.
Presented at Second Workshop on Environmental Radioactivity, March 15-16, 2001, Tsukuba, Japan
25 Measurements of Cross Section for 75 MeV Neutrons
25.1 Measurements of double differential (n,xZ) cross section of nitrogen, Oxygen and
Aluminum for 75 MeV neutrons
T. Hiroishi, T. Sanami1, M. Baba, M. Hagiwara, T. Miura,
T. Aoki, N. Kawata, S. Tanaka2, H. Nakashima2, S. Meigo2
Tohoku Univ., KEK1, JAERP
Double-differential cross sections of (n,p), (n,d) (n, t) and (n,a) reactions of Nitrogen, Oxygen and
Aluminum for 75 MeV neutrons are measured by a specially designed spectrometer and the 7Li(p,n)
neutrons source in TIARA, JAERI. The spectrometer is consisted of three counter telescopes and a
vacuum chamber. Each telescope has a low-pressure gas proportional counter, a thin SSD and a BaF2 scintillator. Samples are thin plates made by Al20a, AlN and Al for Oxygen, Nitrogen and Aluminum measurement, respectively. The measured results are compared with LA-150 cross section library. The
library is in fair agreement with experimental data except the high energy part of deuteron spectrum.
Presented at the 2001 Annual Meeting of the Atomic Energy Society in Japan.
25.2 Measurements of elastic scattering cross sections for 75 MeV neutrons
T. Aoki, M. Baba, T. Miura, N. Kawata, T. Sanamil, T. Hiroishi,
M. Hagiwara, H. Nakashima2, S. Tanaka2
Tohoku Univ., KEK1, JAERP
Elastic scattering cross sections of Nitrogen, Oxygen and Aluminum for 75 MeV neutrons are measured
using TOF method and the 7Li(p,n) neutron source in TIARA, JAERI. Neutron detectors are 5 NE213 liquid scintillators(5"</>x 5" long) with n-7 discrimination by PSD method. Samples are cylindrical
shape Al2 0 3 and AlN powder enclosed with aluminum case for Oxygen and Nitrogen measurement, respectively. The measured results are in fairly agreement with LA-150 cross section library.
Presented at the 2001 Annual Meeting of the Atomic Energy Society in Japan.
26 Measurement of Induced Radioactivities for the Evaluation of Internal Exposure
at High Energy Accelerator Facilities
M. Numajiri, Y. Oki, T. Miura, T. Suzuki, K. Kondo
KEK
In high proton accelerators, many kinds of radionuclides are produced in residual radioactivity in
accelerator hardware. The radioactivity contains radionuclides that are important to estimation of
15
internal radiation exposure, but are very difficult to measure. In this work, we discussed measurement of the difficult radionuclides in addition to other radionuclides.
Presented in IRPA10, The lOth International Congress of The International Radiation Protection
Association, P6a-337, Hiroshima, 2000.
27 Measurement of Neutron Leakage through Labyrinth from High Energy Proton
Accelerator
T. Miura, K. Takahashi, S. Ishihama1 and T. Kunifuda1
KEK, 1 TNS
In the constraction of high-energy proton accelerator, it is important problem to estimate the
neutron leakage through labyrinth ftom proton accelerator tunnel. In order to inspect some empirical
formulae, the attenuation of neutron flux in concrete labyrinths with neutrino beam line at KEK were studied. In the experiments, neutron fluence rates in the target station and two labyrinths were
measured by activation method using various metals (Au, Co and Bi) and soil. The exp~rimental
results were agreement with the calculation using Nakamura and Uwamino's empirical equation.
Presented at 2001 Anual Meeting of the Atomic Energy Society of Japan, Aomori Univ., Aomori,
Sep. 15-17, 2001.
28 Measurement of Production Cross Sections for 12 GeV Proton Reactions with
Heavy Targets (Pb,Bi) used as Spallation Neutron Sources
M. Numajiri, T. Miura, Y. Oki, T. Suzuki and K. Kondo KEK
Irradiation experiments were performed in order to investigate the production of residual nuclei by proton induced reactions at KEK proton synchrotron facility. Production cross sections in heavy
mass targets (Pb, Bi) were measured by gamma-ray spectroscopy. These heavy targets will be used as spallation neutron sources. We report on the production of nuclides of near target and light mass, such
as 7Be, 22Na, and 24Na. The present data are compared with the results of previous measurements.
29 Measurements of Scintillation Photons in High Pressure Rare Gases
K. Saito, H. Tawara1 and S. Sasaki1
The Graduate University of Advanced Studies, 1 KEK
Rare gases are known as excellent scintillation materials. Among them, xenon in the liquid phase
has a high scintillation yield compatible to that of Nai(Tl) crystal as shown by our group in 1992. The
amount of scintillation in gaseous rare gases has been believed to be one third to that in the liquid
phase, because of little photons generating through recombination process. In high pressure gases, the recombination becomes one of the dominant processes after the incident of radiation, and a large
increment in the light outputs can be expected. Thus, the scintillation yields are important factors
16
to obtain the physical information on the energy pathway of radiation in the matter and to describe
the quality of detector materials. The scintillation yields, however, have been scarcely measured in rare gases, especially in the gas phases. We have planned to measure absolute scintillation yields
in high-pressure rare gases, and constructed an experimental apparatus. The scintillation yields are
measured in terms of Ws-value, defined as an average energy to produce one scintillation photon. The
number of scintillation photons can be determined from the photoelectron number from the phototube
with known quantum efficiency, if the collection efficiency of scintillation photons at the phototube is
known. In the present study, the apparatus was designed so as to determine the collection efficiency only from solid angles subtended by the phototube at a scintillation point. In addition, the emission
spectra and the time-dependent decay of the scintillation in rare gases will be measured in this study.
Presented partly at the 48th Conference of the Japan Society of Applied Physics in Tokyo, and the 15th workshop on Radiation Detectors and Their Uses in KEK.
30 Neutron Yields from Thick C, AI, Cu, and Pb Targets Bombarded
by 400 MeV /nucleon Ar, Fe, Xe, and 800 MeV /nucleon Si Ions
T. Kurosawal, N. Nakao, T. Nakamura\ H. Iwasel, H. Satol, Y. Uwamino2, and A. f*ckumura3
KEK, 1 Tohoku Univ., 2 RIKEN, 3 NIRS
The angular and energy distributions of neutrons produced by 400 MeV /nucleon Ar, Fe, Xe and
800 MeV /nucleon Si ions stopping in thick C, AI, Cu and Pb targets were measured using the HeavyIon Medical Accelerator in Chiba(HIMAC) of the National Institute of Radiological Sciences(NIRS).
The neutron spectra in forward direction have broad peaks which are located at about 60 to 70 % of the incident particle energy per nucleon due to breakup and knock-on processes, and spread up
to almost twice as much as the projectile energy per nucleon. The resultant spectra were integrated over energy to produce neutron angular distributions, and we could estimate the total yields using a simple formllla. The experimental results are compared with the calculations using the heavy-ion
collision Monte Carlo code, and the calculated results rather agree with the measured results. The phenomenological hybrid analysis, based on the moving source model and the Gaussian fitting of the
breakup and knock-on processes, could also well represent the measured thick target neutron spectra.
Published in Phys. Rev. C, 62 (2000) 044615.
31 Observation of 180° Correlation of e+e- pair originating from e+(82 Sr) + Th Inter
actions
M. Sakai, H. Kawakami, K. Ornata, I. Sugai, I. Katayama, S. Shimizu1, K. Horie1 and T. Miura
KEK, 1 Osaka Univ.
An electron line previously observed at INS with an energy of 330.3 ke V and an associeted cross
section of 149 mb in e+ + Th interactions has been implied by the authors to originate from the decay of a new neutral particle. QED predicts a two-photon decay mode of the particle leading
to a correlated two-photon coincidence peak at 841.3 ke V. Subsequent 21-coincidence experiments
have revealed a peak-like structure at 841.7 keV and an associeted cross section of 15.2 j"b (upper
17
limit). These energies and cross sections satisfy the relations ofE1 =E.+mc2 and u(2-y)ju(e+e-) ~ a 2
expected from a particle production scenario. Positron and electron coincidence experiments for e+ + Th were performed with scintillation counters placed on the main trajectory of the air-core fJ-ray spectrometer. The coincidence time spectra were analyzed with a single line x2 fit. This yielded a peak-like structure at the predicted channel and with an area compatible with the previously reported cross section.
32 Particle Size Distribution of Radioactive Aerosols Formed in Accelerator Tunnel Air during Machine Operation
Y. Oki, Y. Kanda, K. Kondo and A. Endo1
KEK, 1JAERI
To elucidate the formation mechanism of radioactive aerosols produced in accelerator tunnels, irradiation experiments were performed with quasi-monoenergetic neutrons at AVF cyclotron facility, TIARA. Argon containing DOP(dioctylphthalate) particles was irradiated with 65MeV neutrons. The particle size distribution of produced radioactive aerosols was determined by sizing and collecting the particles with electrical low pressure impactor, followed by measuring the activities of particles on the impactor stages with gas-flow counter.
33 PICA3, An Updated code of Photo-Nuclear Cascade Evaporation Code PICA95, and its Benchmark Experiments
T. Sato, K. Shin, S. Ban\ T. A. Gabriel2 , C. Y. Fu2 , H. S. Lee3
Kyoto University, 1 KEK, 2 ORNL, 3 PAL
PICA95, a calculation code for high-energy photo-nuclear reactions is updated as PICA3. PICA3 can reproduce total photo-nuclear reaction cross section for incident photon energies from the reaction threshold to 3.5 GeV very well. It also reproduces such as residual nuclides yields and emitted particle spectra from mono-energetic photo-nuclear reaction, but underestimates neutron yields from thick targets bombarded by electrons.
Presented at MC2000, International Conference on Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications, 23-26 October, 2000.
34 Preparation of Radio-Labeled Fullerenes Using Accelerator
K. Masumoto, Ohtsuki1 , K. Shikano2
KEK, 1 Tohoku Univ., 2 NTT
In the field of fullerene science, higher fullerene, hetero-fullerene and metalo-fullerene are the topics. We produced the dimer, trimer and teramer od C6o and Cro by bremsstrahlung and charged-particle irradiation and HPLC separation. TOF-mass spectrum of dimer fraction proved that the dimer was
18
surely formed. By using the 12C(d,n)13N reaction, 13N- labelled hetero fullerene was produced.
Published in Ch. 3.3, Fullerenes Radiolabelled on the Carbon Cage in Nuclear and Radiochemical
Approach to Fullerene Science (Ed. by T. Braun, Kluwer academic publishers b.v., 2000).
35 Radiation and Residual Dose Rate Induced by the Beam loss at Various Injection Energies
N. Nakao, Y. Irie, M. Uota, M. Shirakata, N. Mokhov1 , A. Drozhin1
KEK, 1 Fermi Lab.
On an accelerator design, estimations of absorbed dose and residual activity induced by beam loss
are very important to know radiation damages of the accelerator components and instruments, and to reduce external exposures for workers during hands-on-maintenance.
Hadron cascade simulation was performed with the Monte Carlo code, MARS, using the beam loss distributions calculated by the multi-turn tracking Monte Carlo code, STRUCT, for primary-proton
energies of 200, 400, 600 and 1000 MeV. In this continuous Monte Carlo calculation, distributions of secondary particle flux, absorbed-dose and residual-dose rate of accelerator components due to
the beam loss were estimated, and their energy dependences were clarified for a radiation protection
purpose.
Presented at the 7th Europian Particle Accelerator Conference (EPAC2000), Austria Center Vienna, Vienna, Austria, 26-30 June, 2000., and published in KEK preprint 2000-59, July 2000.
36 Radioactivity induced in a Electron Beam Dump
36.1 Radioactivity induced in a 2.5-GeV electron beam dump
S. Ban, H. Nakamura, T. Sato1 and K. Shin1
KEK, 1 Kyoto Univ.
The saturation activity of residual nuclei was estimated based on measurements when 2.5 GeV electron beams were totally absorbed in thick AI, Fe, Cu and Pb. A calculation was also made for
a beam dump from 0.1 to 10 GeV using the EGS4 and PICA95 Monte Carlo codes. Above 1 GeV, the activity was constant in units of MBq w-1 . The gamma-ray dose rates from the targets were
calculated using these data.
Published in Radiat. Prot. Dosim. 93, 231-236 (2001).
36.2 Radioactivity produced in thick targets by 0.1 - 10 GeV electrons
S. Ban, H. Nakamura, T. Sato1 and K. Shin1
KEK, 1 Kyoto Univ.
Yields of residual nuclei were estimated using EGS4 and PICA95 codes when electron beams between
0.1 and 10 GeV were totally absorbed in thick AI, Fe, Cu and Pb. They were compared with measured
19
yields for 0.1 and 2.5 GeV electrons. The gamma-ray dose rates from the targets were calculated.
Presented at 2001 Annual Meeting of the Atomic Energy Society of Japan, March 27-29, 2001,
Tokyo.
37 Resonance Ionization Spectroscopy (RIS) by Lasers
S. Sasaki, K. Saito1 and H. Tawara
KEK, 1 The Graduate University of Advanced Studies
We have been developing methods of Resonance Ionization Spectroscopy (RIS) by lasers in order to
realize quantitative measurements of ultra-trace amounts of isotopes contaminated in gaseous, liquid and solid samples. Two major works are currently performed in this study. One is the development of
an absolute time-of-flight mass spectrometer equipped with the lasers for RIS (RIS-TOFMS) and the
other is the development of calibration methods of trace amount of isotopes using a pulsed ion-gun
system. We plan to extensively apply this method to the fields in radiation physics, nuclear physics,
radiation chemistry, radiation detection and so on.
38 Response Function Measurements of the Self-TOF Neutron Detector for Neutrons
up to 800 MeV
M. Sasaki1 , N. Nakao, T. Nunomiyal, T. Nakamura\ T. Shibata, A. f*ckumura2
KEK, 1 Tohoku Univ., 2 NIRS
The Self-TOF detector has been developed for high energy neutron spectrometry behind a shield. This detector consists of a radiator, a start counter and a stop counter. The radiator is composed of
20 thin plastic-scintillation detectors and the stop counter is segmented into nine plastic-scintillation
detectors. The response functions of the Self-TOF detector for high energy neutrons up to 800 MeV
were measured at the HIMAC(Heavy Ion Medical Accelerator in Chiba) of NIRS(National Institute
of Radiological Sciences). The measured responses were compared with those calculated using the LCS(LAHET Code System). The LCS results considerably overestimate the measuremental results
with an increase in the neutron energy. It was found that this detector can give the neutron energy spectrum by using the FERDO-U unfolding code combined with the measured response functions, and is useful for high energy neutron spectrometry because of the almost constant efficiency for neutrons
above 100 MeV.
Published in J. Nucl. Sci. Techno/. 38-1 (2001) ppS-14.
39 Response of a Three-Element Phoswich Detector Consisting of Inner BC501A
Scintillator and an Outer BGO and CaF2(EU) Crystal Wall
T. Sanami, T. Shibata and M. Takada1
KEK, 1NIRS
We developed a new three-element phoswich detector consisting of inner BC501A organic liquid
scintillator and outer BGO and CaF2(EU) crystal scintillator which are optically coupled with one
20
photo multiplier tube. The decay time of output pulse by one of the scintillators differ from the
others, i.e., decay time of BC501A, BGO and CaF2 are few, 300 and 940 ns, respectively. In this
year, the discrimination ability of events which are detected two scintilla tors simultaneously is tested in
Cyclotron facility, NIRS. The 70 MeV protons enter the detector from various directions and scintillate
one or two scintillators. The clear separation between events detected by one and by two scintillators
are obtained about both combination of BC501AIBGO and BC501AICaF2.
40 Space Radiation Dosimetry Using Passive Detectors
40.1 LET distributions obtained by CR-39 plates onboard the space shuttle missions
STS-84, 89 and 91 and the dose equivalent estimation by a combination of their
distributions and TLD-data
H. Tawara, T. Doke1•3 , T. Hayashi\ A. Kyan2, S. Nagaoka3 ,
T. Nakano3 , S. Takahashi3 , K. Terazawa11 and E. Yoshihira1
KEK, 1 Waseda Univ., 2 Ibaraki Univ., 3 NASDA
LET distributions have been measured by CR-39 plates along with the Real tinle Radiation Mon
itoring Device (RRMD)-111 in the Space Shuttle Missions STS-84, -89 and -91. Particle fluxes were
obtained above 4 keV I p,m with the CR-39 by correcting for the dip-angle dependency on track
formation sensitivity. LET distributions obtained from the CR-39_ were compared with those of GCR
and of trapped protons measured by the RRMD-III. The fluxes from the CR-39 were smaller than
those for the total components (GCR + trapped protons), but slightly larger than those for GCR.
This fact can be explained by considering that dominant radiation in the SAA region is the trapped
protons and the track-formation sensitivity of the CR-39 for protons is very low. We can estimate dose
equivalents from the LET distributions and absorbed doses obtained by TLDs which have sensitivity
in the LET region below 10 ke VI p,m. The contribution of the trapped protons to the dose equivalents
was estimated from the RRMD-III data.
Presented at the 20th International Conference on Nuclear Tracks in Solids, 28 Aug. - 1 Sep. 2000,
Portoroz Slovenia and published in Space Radiation 12 (2001) 117.
40.2 Development and application of TLD and CR-39 nuclear track detectors for space
radiation dosimetry
H. Tawara, A. Nagamastu\ M. Masukawal, T. Nakano1,
S. Kamigaichi1, M. Masaki2 and H. Kumagai2
KEK, 1 NASDA, 2 AES
Dosimeter packages consisting of passive detectors (TLDs and CR-39 nuclear track detectors) have
been used commonly for space radiation dosimetry so far. However, LET distributions of heavy charged
particles, absorbed doses and dose equivalents measured by passive detectors are always lower than
those measured by active detectors such as Si detectors and TEPC. In order to clarify this problem,
we are conducting intensive experiments for investigating the characteristics of TLD-MSO and CR-39
for heavy charged particles utilizing a heavy-ion accelerator (HIMAC of NIRS in chiba). The incident
21
angle dependence of track formation sensitivity was investigated for three types of domestic CR-39 plastic plates in the LET region from 2 to 1000 keV I Jlm. The decrease of TLD-MSO response for heavy ions was precisely measured in the LET region from 10 to 1000 keV I Jlm. Both parameters are very important to measure a complex space radiation field by a combination of TLD-MSO and CR-39 in space vehicles. We are designing and developing the dosimeter packages, an automatic analysis system and micro-dosimetry techniques considering target-fragmented secondary particles in order to prepare for steady life-science experiments in the International Space Station.
41 Study of Pion Transfer Processes of Pionic Atoms in the Gas and Liquid Phases
A. Shinohara, T. Miura1 , A. Yokoyama, K. Takamiya2, T. Kaneko3, T. Muroyama4, T. Saito, Y. Hamajima4, H. Muramatsu5 , S. Kojima6 , H. Baba and M. Furukawa7
Osaka University, 1 KEK, 2 Research Reactor Institute Kyoto University, 3 Niogata University, 4 Kanazawa University, 5 Shinshu University,
6 Aichi Medical University, 7 Yokkaichi University
Pion capture process in gas mixtures containing hydrogen was studied by measuring pionic X rays and 1r0 decays. A little difference in pion transfer process was found between the H2+ D2 and H2 0+ D20 systems. Pressure-dependence observed only for the CH4 + Ar system is consistent with the previous results that the life-time of the pionic hydorogen atom from the bound hydrogen would be shorter than from H2. Futher improved measurements are needed to confirm the pressure dependence of the pion transfer process and quantitatively discuss the dynamic behavior of the pionic hydrogen.
Presented at 5th In.t. Conference on Nuclear and Radiochemistry (NRC5), Pontresina, 3-8, Sep. 2000 and to be submitted to Radiochim. Acta.
42 Study on Activation Analysis using Flow Method for Radiochemical Separation and Detection of 11 C
K. Masumoto, Ohtsuki1 , K. Shikano2
KEK, 1 Tohoku Univ., 2 NTT
A continuous extraction and detection system for 11 C induced by accerelator has been developed and this method was applied to activation analysis of carbon in various materials of industrial concern. Activation has been performed at the 300-MeV electron linear accelerator of Laboratory of Nuclear Science, Tohoku University. A rapid separation and detection system of radioactive carbon, which is consist of a infra-red furnace, a continuous extraction of C02 and a coincidence counting for 511 keV anihilation gamma-ray, has been performed. In the first step, irradiated samples mixed with an accelerator reagent are burned in an infra-red furnace. Then, generated C02 gas is continuously extracted in a extraction coil, in which monoaminoethanol solution is running by pumping at the flow rate of 0.15 mllmin. After extraction, monoaminoethanol solution is led between a couple of EGOdetector and 11 C activity in solution is monitored with the multichannnel scaler Trace impurities of carbon in iron and steel samples were analysed by using the 12C(I',n)llC reaction at the 300-MeV Lineae of Tohoku Univ. This method was also applied to the nitrogen analysis in silicon by using the
22
14N(p,a)11 C reaction.
Presented at Int. Topical Conf. on Methods and Applications of Radioanalytical Chemistry - V
(MARC V), April 9-14, 2000, Kailua-Kona, Hawai, USA.
43 Study on Positron Annihilation and Positronium Chemistry
43.1 Radiation effect on positronium formation in low temperature polyethylenes
T. Suzuki, K. Kondo, Y. Ito, E. Hamada, andY. Ito1
KEK, 1 Tokyo University
The positron-irradiation effect on polycarbonate during a positron-annihilation lifetime spectroscopy
(PALS) experiment was investigated using different intensities of 22Na positron sources and gamma
irradiated samples. The decrease in l3 was larger for a larger intensity of positron sources. In the
case of a weak source ( ~140kBq), l3 did not change with the elapsed time for non-irradiated samples.
However, for 1 MGy-lrradiated samples, 13 measured with the weak source increased with the elapsed
time. This can be attributed to a decrease of the radicals induced in the irradiated samples by gamma
irradiation. In order to explain the change in l3 measured at room and liquid-nitrogen temperatures, several effects, such as radicals, cross-linking, structure change, and charging, need to be considered.
Also, it is difficult to explain the change in l3 using only one of these effects.
Published in Radiation Physics and Chemistry 58(2000) 485-489.
43.2 An application of the coincidence Doppler spectroscopy for substances of chemical interest
Y. Ito and T. Suzuki1
Tokyo University, 1 KEK
Coincidence Doppler spectroscopy, which is particularly powerful when one is concerned with high
momentum components of positron annihilation gamma-rays, has been applied to two different kinds of
organo-metalic ligands: metal phthalocyanines and metal acetylacetonates. The energy (momentum) profiles of the annihilation gamma-rays were the same for metal phthalocyanines indicating that
positron andjor positronium are not interacting with the metal ions. However, the profiles of positron interaction which are different for phtarocyanines and acetylacetonates.
Published in Radiation Physics and Chemistry 58(2000) 743-747.
43.3 Pressure quenching of positronium in solid biphenyl
T. Goworek, T. Suzuki\ K. Kondo\ E. Hamada2, andY. Ito3
Maria Curie-Sklodowska University, 1 KEK, 2 The Graduate University for Advanced Studies, 3 Tokyo University
In solid crystalline biphenyl, orth-positronium, abundant at normal pressure, can be eliminated
by application of a pressure of about lOOMpa. The lifetime of para-positronium seems to increase,
23
and at 80Mpa, it cannot be distinguished from that of free positrons. Another new effect is the appearance of the long-lived component in the positron lifetime spectrum at high pressures. The same effect of positronium reappearance, although not so well pronounced, was found in biphenyl at low temperatures.
Published in Chemical Physics 255(2000) 347-351.
44 The EGS4 Workshop, Class and User Support
H. Hirayama nad Y. Namito
44.1 The EGS4 workshop and class
Two EGS4 short courses were held.
1. At KEK, after the workshop of EGS. 2. At Batan laboratory in Indonesia.
44.2 User support concerning EGS4
As one of the center of EGS4 distribution, we continue supports concerning EGS4 including outside Japan, They are distributed in wide range from primitive questions of beginners to complicated ones from EGS4 experts.
For examples, about 50 persons from 10 countries contacted us concerning EGS4 in this fiscal year. Instructions were made using e-mail.
24
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46
Chapter 4 Publication Lists
1 Publications in Periodical Journals (2000.1-2000.12)
1. Ban, S., Nakamura, H., Sato, T. and Shin, K., "Radioactivity induced in a 2.5-GeV Electron
Beam Dump", Radiat. Prot. Dosim. 93(2001}231-236.
2. Ban, S., Hirayama, H. and Namito, Y., "60-keV Gamma-Rays Streaming in a Two-Bend Duct",
J. Nucl. Sci. Tech. Suppl.1(2000}675-678.
3. Goworek T., Suzuki T., Hamada E., Kondo K., Ito Y., "Pressure quenching of positronium in
solid biphenyl", Chemical Physics 255 (2000}347-351.
4. Hamada E., Ohshima N., Suzuki T., Kobayashi H., Kondo K., Kanazawa I., and Ito Y., "New
System for a pulsed slow-positron beam using a radioisotopes", Radiation Physics and Chemistry
58 (2000}771-775.
5. Harima, Y., Sakamoto, Y., Kurosawa, N. and Hirayama, H., "An Improved Approximation For
mula of Gamma-Ray Buildup Factors for A Point Isotropic Source in Two-Layer Shield", J. Nucl.
Sci. Technol. Suppl. 1(2000}488-492.
6. Hayashida, Y., Ishikawa, S., Hayashi, K., Hirayama, H., Sakamoto, Y., Harima, Y., Nemoto, M.,
Sato, 0., and Tayama, R., "Application of Improved Air Transport Data and Wall Transmis
sion/Reflection Data in the SKYSHINE Code (2} Calculation of Gamma-Ray Wall Transmission
and Reflection Data", J. Nucl. Sci. Techno!. Suppl. 1{2000}621-625.
7. Hirayama, H., "Activities Concerning a Re-Evaluation of Gamma-Ray Buildup Factors in Japan",
J. Nucl. Sci. Techno!. Suppl. 1(2000}479-483.
8. Iga, K., Ishibashi, K., Shigyo, N., Maehata, K., Matsufuji, N., Nakamoto, T., Numajiri, M.,
Meigo, S., akada, H. and Chiba, S., "Measurement of Gamma-Ray Production Double-Differential
Cross Sectionsfor 1.5GeV 1r+ Meson Incidence on Iron", J. Nucl. Sci. and Technol. Vol.37,
~o-3(2000}211-214.
9. Inagaki T., Yoshimura Y., Kanda Y., Matsumoto Y. and Minami K., "Development of CeF3
crystal for high-energy electromagnetic ca!orimery", Nucl. Instr. and Methods A443(2000)126-
135.
10. Ito, Y. and Suzuki, T., "An application of the coincidence Doppler spectroscopy for substances
of chemical interest", Radiation Physics and Chemistry 58 (2000}743-747.
11. Kansy J., Suzuki T., Ogawa T., and Murakami M., "Study ofpoly(methylphenylsilylenemethylene}
by elastic thermalization lifetime analythis", Radiation Physics and Chemistry 58 (2000}545-550.
12. Kino Y., Sekine T., Sato Y., Kudo H., Suekane F., Suzuki A., Ito Y. and Suzuki T., "Positron
annihilation in liquid scintillator for electron antineutrino detection", Journal of Nuclear and
Radiochemical Sciences 1 (2000}63-68.
13. Kurosawa, T., Nakao, N., Nakamura, T., Iwase, H., Sato, H., Uwamino, Y., and f*ckumura, A.,
"Neutron Yields from thick C, AI, Cu, and Pb targets bombarded by 400 MeV /nucleon Ar, Fe,
47
Xe and 800 MeV /nucleon Si ions", Phys. Rev. C, 62 (2000) 44615. 14. Kurosawa, T., Nakao, N., Nakamura, T., Uwamino, Y., Shibata, T. and f*ckumura, A., "Mea
surements of Thick Target Neutron Yields from 100 to 800 MeV /Nucleon Heavy Ions", J. Nucl. Sci. Techno!. Suppl. 1(2000)135-141.
15. Lee, H. S., Ban, S., Sato, T., Shin, K., Bak, J. S., Chung, C. W. and Choi, H. D., "Photoneutron Spectra from Thin Targets Bombarded with 2.0 GeV Electrons", J. Nucl. Sci. Techno!., Suppl. 1(2000)207-211.
16. Miura, T., Baba, M., Ibaraki, M., Sanami, T., Win, Than, Hirasawa, Y. and Hirakawa, N., "Measurement of neutron inelastic scattering cross-section for the first level of 238 U in hundreds of keV range", Annals of Nuclear Energy Volume 27, Issue 7(2000)625-637.
17. Miura, T., Takahara, S., Ishihama, S., Ohtsuka N. and Kunifuda, T., "Depth Profiles ofRadionuclides Induced in Shielding Concrete of the 12 GeV Proton Accelerator Facility at KEK." J. Nucl. Sci. and Techno!. Supplement 1(2000)183-186.
18. Nakao, N. and Uwamino, Y., "Deep Penetration Calculation Compared with the Shielding Experiments at ISIS", J. Nucl. Sci. Tech. Supp!. 1(2000)162-166.
19. Nakashima, H., Masumura, T., Tanaka, S., Sakamoto, Y., Takada, H., Tanaka, S., Nakane, Y., Meigo, S., Nakamura, T., Kurosawa, T., Hirayama, H., Nakao, N., Uwamino, Y., Imamura M., and Shin, K., "Analyses of Neutron and Gamma Ray Measurements in a Target Room of Several Tens Proton Facility", J. Nucl. Sci. Techno!. Suppl. 1(2000)192-196.
20. Nakashima, H., Masumura, T., Tanaka, S., Sakamoto, Y., Tanaka, S., Nakane, Y., Meigo, S., Nakamura, T., Kurosawa, T., Hirayama, H., Nakao, N., Uwamino, Y., Imamura M., and Shin, K., "Experimental Analyses on Radiation Streaming throgh a Labyrinth in a Proton Accelerator Facility of Several Tens MeV", J. Nucl. Sci. Techno!. Suppl. 1(2000)197-201.
21. Namito, Y., Ban, S., Hirayama, H., Nariyama, N., Nakashima, H., Nakane, Y. and Tanaka, S., "Systematic comparison of measurements and EGS4 regarding 20-40 keV photons", J. Nucl. Sci. and Techno!. Suppl. 1(2000)530-534.
22. Namito, Y., Hirayama, H., f*ckushi, M., Saitoh, H., Sakai, R., Fujisaki, T., "Labo class Using EGS4 for Undergraduate Students", Japanese J. of Med. Phys. 20 Sup.4(2000)274-277.
23. Namito, Y. and Hirayama, H., "EGS4 Simulation of K-X ray Emission Due to Electron Beam Incident", Japanese J. of Med. Phys. 20 Sup.4(2000)278-281.
24. Nemoto, M., Harima, Y., Hirayama, H., Sakamoto, Y., Hayashi, K., Hayashida, Y., Ishikawa, S., Sato, 0., and Tayama, R., "Application of Improved Air Transport Data and Wall TransmissionjRefiection Data in the SKY SHINE Code (1) Calculation of Line beam Response Function for Gamma-Ray Skyshine Analysis", J. Nucl. Sci. Techno!. Suppl. 1(2000)616-620.
25. Nunomiya, T., Nako, N., Kim, E., Kurosawa, T., Taniguchi, S., Sasaki, M., Iwase, H., Nakamura, T., Uwamino, Y., Shibata, T., Ito, S., Perry, D. R., and Wright, P.,"Measurements of Neutron Attenuation through Iron and Concrete at ISIS", J. Nucl. Sci. Tech. Suppl. 1(2000)158-161.
26. Ohtsuki, T., Ohno, K., Shiga, K., Kawazoe, Y., Maruyama, Y., Masumoto, K., "Systematic study of foreign-atom-doped fullerenes by using a nuclear recoil method and their MD simulation", J. Chem. Phys. 112(2000)2834-2842.
27. Orion, I., Rosenfeld, A. B., Dilmanian, F. A., Telang, F., Ren1, B. and Namito, Y., "Monte Carlo simulation of dose distribution from a synchrotron-produced microplanar beam array using the EGS4 code system", Phys. Med. Biol. 45(2000)2497-2508.
48
28. Park, H., Bhang, H., Youn, M., Hashimoto, 0., Maeda, K., Sato, Y., Takahashi, T., Aoki, K., Kim, Y. D., Noumi, H., Ornata, K., Outa, H., Sekimoto, M., Shibata, T., Hasegawa, T., Hotchi, H., Ohta, Y., Ajimura, S., and T.Kishimoto, T., "Lifetime Measurements of Medium-Heavy L Hypernuclei", Pyhs. Rev. C61(2000}05440-1-05440-11.
29. Sakamoto, Y., Suzuki, T., Sato, 0. and Hirayama, H., "Gamma-Ray Buildup Factors for a Point Isotropic Source in the Single Layer Shield by Using BERMUDA Code", J. Nucl. Sci. Techno/. Suppl. 1(2000}484-487.
30. Sasaki, M., Nakao, M., Shibata, T., Nakao, N., and Nakamura, T., "Feasibility Studies of the SelfTOF Detector for High-Energy Neutron Measurements in Shielding Experiments", Nucl. Instrm. Methods A446(2000}545.
31. Sasaki, M., Nakao, N., Nunomiya, T., Nakao, M., and Nakamura, T. and Shibata, T., "Development of Self-TOF Neutron Detector and its Application to Shielding Experiments at HIMAC", J. Nucl. Sci. Techno!. Suppl. 1(2000}794-797.
32. Sato, T., Shin, K., Yuasa, R., Ban, S., Lee, H. S., and Kim, G. N., "Experimental Setup for Measurements of high Energy Photoneutron Spectra from Thick Targerts", J. Nucl. Sci. Techno/. Suppl. 1(2000}202-206.
33. Suzuki T., Kondo K., Ito Y., Hamada E., and Ito Y., "Radiation effect on positronium formation in low temperature polyethylenes", Radiation Physics and Chemistry 58 (2000} 485-489.
34. Tayama, R., Hirayama, H., Sakamoto, Y., Harima, Y., Hayashida, Y., Nemoto, M., Ishikawa, S., Sato, 0., and Hyashi, K., "Application of Improved Air Transport Data and Wall Transmission/Reflection Data in the SKYSHINE Code to Typical BWR Turbine Skyshine", J. Nucl. Sci. Techno!. Suppl. 1(2000}626-630.
49
2 Publication in Japanese (2000.1-2000.12)
1. SJZ-W-1 ~~, "'lltlil!77 .A 7- F-t ~7 77 1v o \HjJ ::r- F EGS4 c -t: O);fljffl", RADIOISOTOPES, 49(2000)204-216.
2. SJZ-W-1 ~~' "ODCE/NEA rJJuim~, 7 -'/ '/ 1- :lO J; Vl!lttt!ifiiil9:0)J!lh~J m 5 §IWP~*4i:'il-'\ 13 ;;t}Jj( -=r n¥'4i:'w, 42(2ooo) 1140-1141.
3. ;p!Jli: S:z, "JJuim~ c h:!<M~'ill'l11!", IJ1( -T~lilf~ Vol.45(2000) 11-20. 4.1Jt.ii'f J[, "¥'~lilfo/Ef::::lOftQP.!<M~~I±l~O)fljffl I (Si-PIN 7;t- Hf-1 ;t-- F'8:Jllv't:::#MII'll'l'lit:l't
X ~:5HJT~~)", JJi( -T~liJf~ Vol.45(2000)53-60. 5.1Jt.ii'f J[, "¥'~lilfo/Ef::::lOfHih:!<M~~I±l~O)fljffl II (ft\:::r.*'v:¥-fJJil!jiGf;:;jOft .Q PMT O)jt\;/' '/ ::7 ~ 7 ? ~ Ffl:;& V 63Ni f;: J; Q r.t; ,lii,JJi(~im'Pf'E-T~:III:O)lJIU/:1:)", JJi( -Tm&~ Vol.45(2000)61-68.
6. t#;;t '¥~~, "1JUim~1ifiiil9:f::::lOft 6h:!<M~ft:~'ill'l11!", IJ1(-Tm&~ Vol.45(2000)21-34. 7. ;t#;;t '¥~~, "JlQJm~f;: J; 6 nc, 13 N~if&f[:;ff~if;\~O)D[jj'€1J'Jjj(;c .:CO));tffl", !Jli:-Tm&~ Vol.45(2000)35-
38.
8. ;t#;;t '¥~~' "ii!£5C~O)~jW;f:il\[l:5J'.jffO)f:::ll'JO)J't:II\:-T. liif'llt:l5'L-Th:!<ttf[:;;t"~7-1 ~:5J'~ft. ~l±lfi.<O)Il!J
~", JJi( 'f~lilfo/E Vol.45(2000)39-52.
9.~- *-,~·~·~·::r.*N:¥---TJJQR~WT±.&V•T*O)h:f<M~,JJi(-TM&o/E Vol.45(2000)115-124.
10. cpft!', f,!\,r., "rl\\::r.*;t--:¥-/' F o ~JJQJm~!ifiijjltf;:;jOf:t 6i!lh~~~", !Jli:-TM&~ Vol.45(2000)69-114.
11. f£-"*'il-, "JJPM~·!jtO)-t-.:::7!! ~~", h:!<M~ Vol.26 No.3(2000) 11.
12. f£-" *·1;1!!;-, "~J!ItJ:M<M~", f!l-¥o~oo m 2816 ~ (2ooo "P 9 JJ 8 13 ). 13. ~H~i1L f£-"*·iji;-, *fiH, Wi'.ii'fo/E, 1';,111,:)'{;51,, "3 r7fl:;7 1-!! ?A/~7'v·-70)~J't!l<'i'i"lf::
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3 Book
1. Masumoto, K., "Photon Activation Analysis" in "Encyclopedia of Analytical Chemistry(EAC): Instrumentation and Application", Ed. by R.A. Meyer, John Wiley & Sons Ltd. (2000).
2. Masumoto, K., "Ch. 3.3, Fullerenes Radiolabelled on the carbon cage" in "Nuclear and Radiochemical Approach to Fullerene Science", Ed. by T. Braun, Kluwer academic publishers b.v. (2000).
50
4 Presentation at Conference etc.(2000.4-2001.3)
4.1 International Conference
1. Int. Topical Conf. on Methods and Applications of Radioanalytical Chemistry - V (MARC V),
April 9-14, 2000, Kailua-Kona, Hawai, USA
• Masumoto, K., Ohtsuki, T., Ito, Y., and Shikano, K., "Rapid Separation and Detection of
Carbon-11 Using a Flow Extraction Method and its Application to Activation Analysis"
2. International Workshop on Neutron Field Spectrometry in Science, Technology and Radiation Protection, Pisa, Italy, 4-8 June, 2000
• Nakao, N., Kurosawa, T., Nakamura, T., and Uwamino, Y., "Developement of a Quasi
monoenergetic Neutron Field and Measurements of the Response Function of an Organic Liquid Scintillator the neutron energy range from 66 to 206 MeV"
• Sasaki, M., Nakao, N., Nunomiya, T., f*ckumura, A., Nakamura, T., and Shibata, T., "Development of Self-TOF Neutron Detectors and its Application to Concrete and Iron Shielding Experimentsn.
• Nunomiya, T., Nakao, N., Kim, E., Kurosawa, T., Taniguchi, S., Sasaki, M., Iwase, H., Nakamura, T., Uwamino, Y., Shibata, T., Ito, S., Wright, P., and Perry, D. R., "Deep
Penetration Experiment through Concrete and Iron for Shielding Benchmark with 800 MeV Proton Accelerator".
• Takada, M., Taniguchi, S., Nakamura, T., Nakao, N., Uwamino, Y., Shibata, T., and Fuji
taka, K., "Characteristic of a Phoswich Detector to Measure Neutron Spectrum in a Mixed Field of Neutrons and Charged Particles".
• Miura Takako, Baba, M., Sanami, T., Yamazaki, T., Ibaraki, M., Hirasawa, Y., Hitoishi, T., Aoki, T., Yamadera, A., and Nakamura., T., "Development of Fast Neutron Profiling
Method".
3. 7th Europian Particle Accelerator Conference (EPAC2000), Austria Center Vienna, Vienna, Austria, 26-30 June, 2000
• Nakao, N., Irie, Y., Uota, M., Shirakata, M., Mokhov, N., and Drozdhin, A., "Radiation and
Residual Dose Rate Induced by the Beam loss at Various Injection Energies".
• Shirakata, M., Irie, Y., Uota, M., Nakao, N., Drozdhin, A., and Mokhov, N., "Estimation on the Beam Halo Collection at the High Intensity Accelerator
4. lOth Symposium of the International Radiation Protection Association, 2000, Hiroshima(IRPA-
10)
• Nakamura, H., Ban, S., Takahashi, K., Oogoe,T. and Enomoto, A., "Measurements ofX-rays
from the RF systems of the Electron-Linear Accelerator for KEKB".
• Toyoda, A., Eda, K., Ishihara, T., Masumoto, K., "Combined Use of an Activation Detector and an Imaging Analyzer for Measuring the Spatial-Distribution of Neutron Fluence in an
Accelerator Building",
51
• Eda, K., Toyoda, A., Ishihara, T., Masumoto, K., "A Detailed Evaluation of Induced Radioactivities and Radiation Exposure at Acclerator Facilities Using a Portable Ge-Detector".
• Numajiri, M., Oki, Y., Miura, T., Suzuki, T., Kondo, K., "Measurement of Induced Radioactivities for the Evaluation of Internal Exposure at High Energy Accelerator Facilities".
• Shimada, A., Morimoto, Y., Iguchi, K., Okuno, K., Sasaki, S., Suzuki, T. and Kondo, K., "Development of Tritium Monitor Using Hollow Filament Polyimide Membrane"
• Oki Y., Endo A., Kanda Y., Kondo K. "Particle Size of Radioactive Aerosols Generated during Machine Operation in High-Energy Proton Accelerators"
• Endo A., Oki Y., Kanda Y., Kondo K., "Characterization of 11C, 13N and 15 0 produced in Air through Nuclear Spallation Reactions by High Energy Protons"
5. Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF5), Paris, France, July 17-21, 2000.
• Hirayama, H., Ban, S. and Namito, Y., "Current Status of a Low Energy Photon Transport Benchmark"
• Nakano, H., Tayama, R., Tsukiyama, T., Handa, H., Hayashi, K., Shin, S., Hirayama, H., Nakashima, H., Masukawa, F., Sasamoto, N., Yamada, K. and Abe, T., "Development of DUCT-III Code for Duct Streaming Calculation up to 3GeV"
• Hirayama, H., "Inter-comparison of the Medium-Energy Neutron Attenuation in Iron and Concrete (3)"
• Yoshizawa, N., Sakamoto, Y., Iwai, S. and Hirayama, H., "Benchmark Calculation with Simple Phantom for Neutron Dosimetry"
• Nakao, N., Shibata, T., Nunomiya, T., Nakamura, T., Kim, E., Kurosawa, T., Taniguchi, S., Sasaki, M., Iwase, H., Uwamino, Y., Ito, S., Wright, P., and Perry, D. R., "Deep Penetration Experiment at ISIS".
• Nakamura, T., Sato, H., Iwase, H., Kurosawa, T., Nakao, N., Uwamino, Y., and f*ckumura, A., "Neutron Production from Thin and Thick Targets by High Energy Heavy Ion Bombardment".
6. 12th International Conference on Positronium Annihilation(ICPA12), August 7-11, 2000, The University of Bundeswehr Munchen, Munchen, Germany
• Uchiyama, H., Hamada, E., Takahashi, T., Sato, K., Takahashi, Y., Kanazawa, I., Oshima, N., Suzuki, T., Yoshida, T. and Takeuchi, S., "The structure for stable icosahedral phase in Mg-Zn-Y studied by positron annihilation"
• Debowska, M., Piglowski, J., Suzuki, T., Rudzinska-Girulska, J., and Chen, Z.Q., "PA/P(nBA-co-MMA) blend studied by positron annihilation and other methods"
• Chen, Z.Q., Suzuki, T., Uedono, A., Tanigawa, S. and Ito, Y., "Temperature and irradiation effect on positroniumu formation in polycarbonate"
7. The 8th Asia-Pacific Phys. Conf., (Aug. 7-10) Taipei
• Kasani, M., Sato, K., Miyamoto, T., Baba, A., Horiuchi, R., Takasugi, K., Sasaki, S., Lu, M., Vikhrev, V.V., "Effect of Cathode Elecrode in Plasma Forcus Discharge"
52
8. Second International Workshop on EGS, Aug. 8-12, 2000, KEK Tsukuba
• Ban, S., Namito,Y., Hirayama, H., Terunuma, N., Urakawa, J., Sato, T., Yuasa, R., Shin,
K., Lee, H. S. and Bak, J. S., "Measurements of Photoneutron Spectra from Thick Ph Target
Bombarded by 1.2 and 2.0 GeV Electrons"
• Namito, Y. and Hirayama, H., "Improvements of Low Energy Photon Transport for EGS5",
• Yacout, A. M., Dunn, W. L., Nelson, W. R., Lui, P., Bielajew, A. F., Hirayama, H. and
Namito, Y., "Status of the Object-oriented EGS Inteface Project"
• Tawara, H., Sasaki, S., Saito, K. and Shibamura, E., "Monte Carlo Method for Determin
ing Absolute Scintillation-Photon Yields and Energy Resolution of Scintillators for Gamma
Rays"
9. The 20th International Conference on Nuclear Tracks in Solids, 28 Aug. - 1 Sep. 2000, Portoroz,
Slovenia
• Tawara, H., Doke, T., Hayashi, T., Kyan, A., Nagaoka, S., Nakano, T., Takahashi, S.,
Terasawa, K., and Yoshihira, E., "LET distributions obtained by CR-39 plates onboard the
space shuttle missions STS-84, 89 and 91 and the dose equivalent estimation by a combination
of their distributions and TLD-data"
10. 32nd Polish Seminar on Positron Annihilation (32SPA), September 18-22,2000, Jarnoltowek,
Poland
• Hamada, E., Ohshima, N., Suzuki, T., Kobayashi, H., Kondo, K., Kanazawa, I., and Ito, Y.,
"Application of pulsed slow positron beam to polymer"
• Goworek, T., Suzuki, T., Hamada, E., Kondo, K. and Ito, Y., "Influence of pressure on o-Ps
characteristic in biphenyl"
• Debowska, M., Rudzinska-Girulska, J., Suzuki, T. and Piglowski, J., "Polyamid/acrylic rub
ber blends studied by positron annihilation and other methods"
• Suzuki, T., Kondo, K., Hamada, E., and Ito, Y., "Radiation effects on positronium forma
tion"
11. 5th Internatinal Conference on Nuclear and Radiochemistry, Pontresina, Switzerland, Sept.3-8,
41-44, 2000
• Takamiya, K., Akamine, M., Shibata, S., Shinohara, A., Shibata, T., Ito, Y., Imamura, M.,
Uwamino, Y., Nogawa, N., Baba, M., Iwasaki, S., Matsuyama, S., "Measurement of the
excitation function for 63 Cu(n,p) 63 Ni at En < 6.5MeV"
• Shinohara, A., Miura, T., Yokoyama, A., Takamiya, K., Kaneko, T., Muroyama, T., Saito,
T., Hamajima, Y., Muramatsu, H., Kojima, S., Baba, H. and Furukawa, M., "Pion Transfer
Processes of Pionic Atoms in the Gas and Liquid Phases"
12. MC2000, International Conference on Advanced Monte Carlo for Radiation Physics, Particle
Transport Simulation and Applications, 23-26 October, 2000, Lisbon, Portugal.
• Sato, T. , Shin, K., Ban, S., Gabriel, T. A., Fu, C. Y. and Lee, H. S., "PICA3, An Updated
code of Photo-Nuclear Cascade Evaporation Code PICA95, and its Benchmark Experiments"
53
• Hirayama, H., "Application of Monte Carlo Code to a Study of Gamma-Ray Buildup Factors, Skyshine and Duct Streaming"
• Namito, Y. and Hirayama, H., "Comparison of EGS4 and Measurements Regarding K-X ray
and Bremsstrahlung Photons"
• Bielajew, A. F., Hirayama, H., Namito, Y. and Nelson, W. R., "The Status of "The Physics of EGS5" project"
13. Pulsed Power Meeting ,Oct. 26-27, Korea
• Kasani, M., Sato, K., Miyamoto, T., Baba, A., Horiuchi, R., Takasugi, K., Sasaki, S., Lu,
M., Vikhrev, V.V., "Cathode Effects in plasma Focus Discharge"
4.2 Other
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54
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• ti\1T1ot:it, **i'F:fl-, 1:i:.:*:;f~L 1l11fit>t=, IB!iLJEP#, 4';<$:~;!\, "ifli::r::t-Jv'\"-'P·t'!:.Y~tl:l 1::: ~T 9 m1Tilil'Fo9i't(J) llil'Fdl:51f!!fll~(/) lnJ J:"
8. a ;<t>:~R'F~m 55 @.liFiJz:*:~, m1~:*:¥= 2ooo >F 9 JJ 22 a -25 a
• {}t• :it, "C6o 4' --c'(J)i!ll;~-i'-ti1lilih '** r:·::; 7"7 -$/il(J)/J.ili{Jl(Yftt"
9. a ;<t>:51*fr11::"¥'~m 49 >F~ 2ooo >F 9 JJ 26-28 a llrrJJJ.J :*:"¥'
•M~~_t:-,~1EE:K, ill;<$:~~,~qX-M, ~T-±, ~il!JE:K, "~r97ABfitl9
o~~~/7~7(J)#ilii~ttM~t~'PI::::JQ~9~~·-,
10. :@:1'!il:*:¥:JJl( -Y:JP~I!ff<fiJTW~~<iJF')'e~ r[!ll;~ .Y ~::··-A (J)IDJj)(;!:: Jlll.I$"-(J)r.;',;ffl J , 2000 iF 11 Jl 1-2 a , :@::*:JJl(.Y:JP
• {')!-·~~, ~:;j;:-ilflk "*'~ r o.:::.7AIDPX:I:::::ct-90~:!i!>H051!:i::.I!Ut7.Mil:(J)~f*"
11. m 70 @J Thesday Evening Seminar, 2000 iF 10 Jl 17 a, '¥'EilrJil~$!11'il~lL %l:ilJ<'¥'Eilt / ?'-
• {£< 1!1i.Y, "~Iii<!:: ~/'T:fJ !vPli+~Hlld;.if:b-tttc Y/7" v-ya /t~ti:\~(J)i[\'ffi~'l'iiffi- Nai(Tl) (/)ifl'l)(t1Jt:7\';)0$!:: :5j-f!!f~-"
12. a *'¥'Eii1":~'F~m 14 :;~;::~, 2ooo >F 10 JJ 19 a -2o a, fli\&J!ll;ftlliff-1-:*:'F
• 7l<t£ ~'f, J:tlifi<I l'lt:fliL 4'• %, iil:Jil 1Cf'\:, 11< :fl'i-1-, 1* ~~, JE:;j;: ilH, ~~~~ Ji;JIIL "CR-39 ;JQ J: V TLD-MOS 7-?' (J)*J'lif-tti:::J:: 0 STS-95 (J)"f'EIJ.fij(!M'**~'l'iiffi"
13. SJZ-PX: 12 >Fii±1f:i!tllll~>FiJz:*:~ (m 41 @J±1f:i!t<iJFi~t~) 2ooo >F 11 JJ 11 e~-18 e~
• SJZ ill~ :K, "./D( !Pt '**~ 1":~ ~I& t!!cfifiilllt (/) ::ct r.t ( y / ;J< -;.: 7 A)"
14. Seminar on Accelerator Safety, November 16-17, Variable Energy Cyclotron Centre, Calcutta, India
• T. Shibata, "Radiation Safety for the KEK-JAERI High-Intensity Proton Accelerator Complex"
15. 1999 Symposium on Nuclear Data, November 18-19, 1999, JAERI, Tokai, Japan
55
• Meigo, S., Takada, H., Shigyo, N., Iga, K., Iwamoto, Y., Kitsuki, H., Ishibashi, K., Maehata, K., Arima, H., Nakamoto, T., Numajiri, M., "Measurements of Neutron Spectra Produced from a Thick Tungsten Target Bombarded with 1.1 and 2.3 GeV jc Protons and 1!'+ Mesons"
• Iwamoto, Y., Iga, K., Kitsuki, H., Tenzou, H., Ishimoto, S., Shigyo, N., Maehata, K., Ishibashi, K., Nakamoto, T., Numajiri, M., Meigo, S., Takada, H., "Measurement of Neutronproduction Double- differential Cross Sections for High-energy Pion-incident Reaction"
16. Jil:'llfl:k"f'm\-T:IP~~mW~~lilf~4l< r1J)(!lHiJU: m;: crm~7o-:f c Lt::!lo/Jttlilf~O)*'ffllllmJ ,2ooo ;:p 12 Jl 25-26 s' Jil::km\ -TiP
• ~JiiwL ;H¥'%j'jL ~;f;ill!oiJII, "7.k<=j:q:::;t:Ht 0 Jt':/ r o::::: r7 .b.O)>IfJi)lO)/Jiil.ltilXtH1"
17. '¥''Si'!1it!JElitiJ!1Jt ~ 7--, 2001 "¥ 1 Jl 30 s ' "f''Si'lm~lJ:~IiJl' %til!l"f''Si'·t ~ :7-
• ~ f'H, ""JZ!tb • f.f{:B-~;fJI!:I:llt (TLD • CR-39) O)j\iJ.J;i.-;'l-:b-ttl::: J: 0'¥''Si'1iJ1M;fJ!!litiJ!U"
18. r;fj)(frj-;fJI!~J±I~c f:O)J;tfflJ (15JEI), 2001 "¥ 1 Jl 31-2 Jl 2 S, KEK
•~k*~ili, ~-BM,~KWili, ~~~~,·~····~~~' "•x*N~-~t'E-T-1::: MT .Q NE213 ;ff#!tm:i*~~'T v-:7 0));1,;:'1l'~'M11J!iJ/E b~il!li~~"O)~ffl"
• ~ f'G-T, ~11!( {~\\'It, :lkt£ ~-T, iE* ~'f. ~~~~ %Jill, 'J';;"t $11;-, "CR-39(TNF-1) 0) 0.25-15MeV .J!R~tt'r~J±II'il\it"
• -~~~. ~"'*~-, ~f'G-T, ~ii'SHE, Kli'!J;Jt5L, "3 r7ii::;t~r/'A~~7-v-:70)JB;Jt!l<f·r1"
• ~iii~. ~rG-T, M#~i!L {tcM*iJl;-, "3<\i*Xe l::::l01t0~~7v-~" ~;Jt'fiM10)1J!IJIE"
19. m 3JEJffl~,fjj!:lilJtiJ!1Jt ~ -r-, 2oo1-¥ 3 JJ 1 s, "f''Si'!mJB'ljj:~liJl, %til!('f'Si'·t ~:7-
• ~mer, ""f''Si';li)(M,fJJ!I::: J: 0 :7 -7· y r- 7 7 ;f; ~7-~" ~~= 01t 'c"
20. m 2JEI r!1i(jJE;fj)(frt~~J lilf~4l<. 2001 '¥ 3 Jl 15-16 S, KEK
• i'BmlEPfi\ .:=.ii!i::t-, #ill€-, ~*ill!~JII, ili:Jiili<l!iJ:ll~, "ll!Jrl')JQ)!l!il~ ~::··-.b. 7-1 ~;l[r*J 0)~\j ;fj)( !It llli"
• *'Tit::kifiili, :Rii'!JmJ<:, •m~, .:=.ii!i::t-, JJIJJifi;Jt::tll~, 1:1~i'ltJ<:, ~**c, "•x *;v~-~ -T:IJQ.J!R~t:··-A 7-1 ~t::::lOit 0 ~-;v F:1 ~7 IJ- 1-- ~0) 36Cl ill'l/E"
• :1:~~5L, ii~fPit, 1:1m\:l:z, #J~Jt;:fp~, Mf!l1illJ.,\!!., "SF -tT-1 7 o r- o ~!J(!ji!JtO);Ii)(!ltii::;:l:~¥
1iHi c 1*!4\:"
•ttfll~lt. -~~~,1:1m\Rz,"*~•.•~••· ·•-r~~7oro~••••O);Ii)(ilt { 1::; :I;~ 1iHi c '* !41!"
• .=.ii!i::t-, •&~A, 1'1~i'ltJ<:, *••-, oom~•. ·•~*N~-•a•i*~O)riJ'T~ A ?lit"
• ~J;Ii!IDJ\~, 'FJ&Ji!iJ!!Ff, IJC'Et'l\l, li'!J~!I[~-T, ~IJ!rli<l!=. ~M;f;'IJl;--·, ~*li<l!ili!l, ili:Jiili<l!iJ:Jl~,
"~")U'f,-0-THII!~fflv't;: r IJ 7- r7 .b.O)/B!~I:::-:>v'c (2)"
21. S Jt;:m\-Tf.l'¥'4l<, 2001 "Pl'"¥4l<, 2001 "¥ 3 Jl 27 S -29 S, ii\':ii.iU~:k'J':
• Sato, T., Yuasa, R., Shin, K., Ban, S. and Lee, H. S., "Target Thickness Dependence of 90° Direction Photo-Neutron Yields for 2GeV Electrons"
• Ban, S., Nakamura, H., Sato, T. and Shin, K., "Radioactivity Produced in Thick Targets by 0.1 - 10 GeV Electrons"
56
• Maetaki, S., Sato, T., Shin, K. S. and Lee, H. S., "Measurements of90° Direction Low-Energy Photo-Neutron Yields for 2GeV Electrons"
• Kurosawa, N., Harima, Y., Hirayama, H., Nemoto, M., Sakamoto, Y., Sasamoto, N., Ma
sukawa, H., Nakashima, H., Hayashi, K., Tayama, R. and Abe, T., "Validity of 4 Parameter
Skyshine Dose Approximation Formula"
• Shigyo, N., Iwamoto, Y., Ishimoto, S., Satoh, D., Kawasaki, Y., Takayama, Y., Tenzou, H., Ishibashi, K., Nakamoto, T., Numajiri, M. and Meigo, S., "Neutron-Production Double
differential Cross Sections in Most Forward Directions for 800 MeV Proton Incident"
• Aoki, T., Baba, M., Miura, T., Kawata, N., Sanami, T., Hiroshi, T., Hagiwara, M.,
Nakashima, H. and Tanaka, S., "Measurements of Elastic Scattering Cross Section for 75
MeV Neutrons"
• Hiroshi, T., Baba, M., Hirasawa, M., Miura, T., Aoki, T., Kawata, N., Sanami, T., Tanaka,
S., Nakashima, H. and Meigo, S, "Measurements of Double Differential (n,xZ) Cross Section
of Nitrogen, Oxygen, Aluminum for 75 MeV Nuutrons"
• Miura, T., Baba, M., Kawata, N., Hiroishi, T., Sanami, T., Aoki, T. and Hagiwara, M.,
"Development of High-Performance Neutron Spectrometer using Position Sensitive Photo
multiplier"
22. 20011f-JII'Wlffi 48 1EJJ;tjjj!JmJ:!I!~4lt¥:*i~ll'~~. 20011f- 3 Jl 28 s -31 s' IJillil:k~
• -fll<fG'f, {;tr:l!!(~'ltll;, :7kt'£~l1H, lE;;i;:iH-"f, ~~~~JH!IL ;J,:it*lz;-, "'*'i'H:'f(::)(t-j-;o CR-39(TD
l,TNF-1) O)~J3t~i;ifilt"
• :ikt'£ ~'f, .Hi'lfkl 1'5tW, :ttJII Jc{-t, 1JI< tli'f, 1£;;1;: i!!'f, ~~~~ ~ftiL ":'lt!l!ilf1t~f!l'i
f~itil:a+ :a: ffl" 't:. '¥Eii:lil<l!t>ill!Ji1lri!IIJ/t0) m1 ~ ( r )" • flfifi~, -fll<fG'f, {;ir:k;;j;:·~-, ~;ft.')l:i!!, "Jl'IJI±mf*Xenon(:::!31t-'5://'Tv-:/"' /J\';'f~
i!IIJ!l:" • {;lr:k ;;1;:11{-, -fll<tG'f'-, ~ifi~, ~t·t.9l:i!!, '8 ib7'tJJ.&, "AA'i#.\t:/ /7' v- :9 O)'iit:J't51)J$ ~ 51fiU~"
57
5 Reports etc. (2000.4-2001.3)
5.1 KEK Proceedings
1. Sasaki, S., Shibata, T., Takahashi, H.and Nakazawa, M. edited, "Radiation Detectors and Their
Uses", Proceedings of the 14th Workshop on Radaition Detectors and Their Uses", 1-3 February,
2000, KEK, Tsukuba, Japan, KEK Proceedings 2000-14(2000). 2. Miura, T edited, "Proceedings of the First Workshop on Environmental Radioactivity", March
30-31, 2000, KEK, Tsukuba, Japan, KEK Proceedings 2000-13(2000).
3. Hirayama, H., Namito, Y. and Ban, S. edited, "Proceedings of the Second International Workshop
on EGS", August 8- 12, 2000, KEK, Tsukuba, Japan, KEK Proceedings 2000-20(2000).
5.2 KEK Internal ·
1. Hirayama, H. and Namito, Y., "Implementation of a General Treatment of Photoelectric-related
Phenomena for Compounds or Mixtures in EGS4", KEK Internal 2000-3 (2000).
2. Namito, Y. and Hirayama, H., "LSCAT: Low-Energy Photon-Scattering Expansion for the EGS4
Code (Inclusion of Electron Impact Ionization)", KEK Internal 2000-4 (2000).
3 . .\jZfti;)C jjljjifrJ't:k~fl, t$1E{iEJ;;:, "fi:':"J!:'ti::'E'Jl!'Jll!¥&i!r", KEK Interna/2000- g(2000).
4. Hirayama, H., "Lecture Note on Photon Interactions and Cross Secttions", KEK Internal2000-10 (2000).
5. 't'!:f,1iil.\.fl,, 1'¥3%'-, ¥11J~J;;:, ~IE®.Ii!L !l!fr:l{~--, P9if~-, ";kJ!llf(Jl))'r'f~ ;::.7v7llfriil!:l.:f'¥? ;li)(JM>YJ!'ti:c'E:Mm", KEK Internal 2000-11 (2000).
6. {ir.k ;;t:•[j-, tiR!1lJ.fP&, "'P·t-l:'i'-'l"r.ll+liJf'9elii!liil!:l.::t-Ht 0 !2<"¥li!HR!l! r:··-A 7 ~ /'O)J§'tll: ~..:Chi.:{'¥ ? ;li)(JM>YJ!'l<c'E:Mm", KEK-Internal 2000-12(2000).
7. {ir:k;;t:•JJ'l;-, J IllS~\¥-~ ~:!!!, ";f;!im\fif~WI.:~;b.:;,;li)(JM>YJ!'ti:c'E:~'tm", KEK Internal2000-13 (2000).
8. 'JZfti;:Jt, jjljjifrJ't:k~~' ";'(-:=~- f"I.:J;.:;,~cl'o'ill'Jli!~;;<.7A", KEK Internal2000-14 (2000).
9. 10. Ban, S., Ebihara, H., Eda, K., Hirayama, H., Hozumi, K., Iijima, K., Ishihara, T., Itoh, Y.,
Kuramochi, N., Masumoto, K., Miura, T., Nagai, R., Nakao, N., Nakamura, H., Namito, Y., Numajiri, M., Oki, Y., Sanami, T., Sasaki, S., Suzuki, T., Takahara, S., Takahashi, K., Tawara,
H., Toyoda, A., Toyoshima, N. and Shibata, T., "li:!O!>tffJl!1>ifJll!¥&i!r-1999'¥it- (in Japanese)", KEK Internal 2000-15(2001).
11. fir:IJ;!{fR:I'&, IJ;!{J"Jr1=, ¥w~J;;:, ttJi'Jm*~' iJ-JII.fP~~, "iR>Yi!!Juiili~!i!tJ--!ItlliiO)fl!':JflW.:l':l.:f'¥? ;li)(!N
>Yl!'ti:c'E:Mm", KEK-Internal-16 (2001).
12. Kossov, M. V., "Manual for the CHIPS event generator", KEK Internal 2000-17 (2001).
13. YillKIEflA\ /IN:!-, .::::iflj;k-, !M';;;t:~~Jil, ili~~?Jz~~. "~.:r..tJv~-1JUJili%lflii!llfltl.::}llt.:;, Ji'Jiffl;fli<~Ml!
:li!J'I'iiffiJ:O)i\lffl,~M -;li)(J'Itti.:r. 7 P :/;vO);Ii)(J!;tlltl/litiJ{IJJEI.:--::>v''"C-", KEK Internal2000-1g (2001).
14. Hirayama, H. and Namito, Y., " Lecture Notes of Radiation Transport Calculation by Monte
Carlo Method", KEK Internal 2000-20 (2001).
58
6 Internal Reports of Radiation Science Center (2000.4-2001.3)
6.1 RAD-D
RAD-D 2000/1
RAD-D 2000/2
RAD-D 2000/3 RAD-D 2000 I 4
RAD-D 2000/5
RAD-D 2000/6 RAD-D 2000/7 RAD-D 2000/8 RAD-D 2000/9 RAD-D 2000/10
RAD-D 2000/11
.\f J1r, "~-&l-ilt OOi -c: 0) I:I:L/\ tfJ:!Il "t' 0) ~JM"IDI!Ji!li"
.\]ZJlr, "i'i:'i::r.;f;vqi-JJQi!I!~Ji!iJill ±~ 'P 0) 14C 1k V 4°K
'PH' "TLD /~-;/ :/0) 241 Am f::_ J:.::;, J!Mt'T A r" {iii:, li!!ff!, f:/r:-" :;t;, "Jffiilt:BI! X ,f,!J!~1Jt'iil!I:O)t'Eii13 i:: !1\'ft'E -tf'lltEE 60, 120, 200kV "t'O)::r.*;vqi-?--":7 J--;viJIIJYE-" ~liE, iiiE, i!ll.F, "137Cs tl:if4l!±tj0) Nal V/7' v-?' iJil)ytO) EGS4 f::_ J: .::5 Jl¥{Jllj" {iii:, f:/r:i!ll, ")ilFl'·~rf::.xt-9.::5 CR-39(TD-1, TNF-1) O)~i±JJ\!\\tlUt!l\ii:" i!ll.F', :*:~, :fi1~, "'Pt'Er v A ;/J r7 / ?' -O)~'Iitmf::. J: N~lil{'F" .\fllr, ":*:ruJJQi!l!~li!!l~ f::.:tHt.::;, F::i:X>Hffl::. --::>v '-c" .\fllr, "~11-HOOiY!~f::_ ~ t::.""' -c ~~liT-"~ Mr!lt,f,!J!'ti::i:IJ!JimO)IDI!Ji!li" _=:_llfi, ~t/11,, :fil~, "Jil:;IJ r7 /?'-$-Mffi7kllk7?-l::d':1i'FO) MT*'Pr~'Tr7Ag;tf::_~~.::SMMO)~•ttM~'
-=:.llti, ".:::._,_- r ~ / t:"-A7.-1 /!lil;li!!ilJll!iltJi!iJill±~lkVtlflT*'P
0) 1tr !ltllli til! It IJ!Ij Jl: 1\li * ¥111'5 ~"
59
6.2 RAD-S
RAD-S 2000/1 RAD-S 2000/2
RAD-S 2000/3
RAD-S 2000/4
RAD-S 2000/5
RAD-S 2000/6
RAD-S 2000/7
RAD-S 2000/8
RAD-S 2000/9
RAD-S 2000/10
RAD-S 2000/11
RAD-S 2000/12
RAD-S 2000/13
RAD-S 2000/14
RAD-S 2000/15
RAD-S 2000/16 RAD-S 2000/17
RAD-S 2000/18
RAD-S 2000/19 RAD-S 2000/20
RAD-S 2000/21 RAD-S 2000/22
"" jj!jl , oo m Ill , " :l't II!( tlli flffllli'f-~;~--" -1 " r!!Jjj!jl, OOJf>flll, '1'~1~, xK ":l'CIJ!(tlfiJ...Ma;f-1;1--"-1" ;Wiijj!jl, "'lit-Til!i\'11!:-T .AM~!fltjj'EiJ!IJ:<Effl TLD /' v :/iJ!IJ:<E*Il!f:" i3:1Bt, illt?, "KEKB J.,.lfj-a;ft::.t-Ht 0 BT-AR Jj'E-l'/- AR {JI!ll:'O)
;fjj! :!11: $iltU JE" fi!ii./ib, OOJf>flll, "Dose Rate at Duct Surface in P4 Line"
fi!ii./ib, OOJf>flll, "Dose Rate at Duct Surface in NML Line"
fi!J./ib, ::kK '1'~~, "'ProH~ 1 ~!!tt§[iJtU:<EM:ll!:"
fi!J./ib, OOJf>flll, it/ib, "'Pfi-T · ~'Pfi-T~~'¥:.1iJ<M;fjj!iltU:<EM!f:" fi!ii.lib, '~'~~, it lib, ".fiJ<M:l'tT -1:; r-7"~~!if!i~ !tWl.fiJ<M ;fjj! iltU :<E *11 :ll!:" fi!ii./ib, '1'~~, it lib, ".fiJ<MfU~:¥4iltiJJEtlli, R1 tlfi, .liJ<Mft;ilo/J JJo I tlli :<E:I!Jl.fiJ< M ;fjj! IJ!U :<E*Il :ll!:" 13:1Bt, "il'Il {~~JJO Jill ~iJiil tlltlli'l fili~iltU JE~tl!t (Dl 0) l!l!~aif-1;1--"-1' " fi!ii./ib, 15 ~, "7"-7. ?' - t:"-A ?f';/ 7"'¥: fo$ll: Iii\' -I}--"-{ " 'PH, rp ~~, "KEKB-BT ttfLI::tfilO) TLD t:: J: 9 .fJfJ;fjj!:!l" 'PH, "ATF J!!iJ!ll:O) TLD /' v :/1:: J: 0ffl-~ro9;fjj!:!II:O)iJtUJE" 'PH, "KEKB-BT Ji!Li:::ll'B 0) 7 4 ;vA/' v :/ t:: J: 0 ~ro9;fjj!:!ii;O)iJtiJJE" 'PH, "AR ~~~'¥:ffi J::: 0) ~FdJ;fjj!:!l$iltU JE 13:1Bt, "illi\ 'P·r'E-T~J'jlitlfif!lliJJl( ~m a;f-1;1--"-1', 'PH, rp~~' ;jl:;/i!,, "KEKB-BT itlll::Jl'ilO) TLD t:: J: 9f!l-~ro9,f;lil:!ii;O) iltU:<E (5 JJ :51)" 'PH, "ATF J!!iJ!ll:O) TLD /' v :/t:: J: 0ffl-~Fo9,f;lil:!II:O)iJtUJE" J3:1Bt, "il'Ilf~'I'J~Iflili!l!~aifi"Jill-l;l--"-1"
fi!J./ib, itt Ill, ::kK "'PFoH~ 1 ~~'¥:iJt1JJEtli:ll!:"
fi!ii./ib, OOJf>flll, '1'~~, ".fiJ<MftT -1;; J--7"~~!if!i~ JE :I!Jl.fiJ< itt ;fjj! /JliJ JE 1$ *"
RAD-S 2000/23 fi!J./ib, OOJf>flll, ;jl:;/i!,, "'Pfi-T · ~'P·r1-T~~'¥:.fiJ<lft,f;lll iJtiJJEtli:ll!:"
RAD-S 2000/24 fi!ii./ib, Itt Ill, :11:./ib, ::k~, "1i51M·riil>tr4ii!IJ:<EW, R1 W, .liJ<!ttft;ilo/J JJOitlli :<E:I!Jl.fiJ<M;fjj!IJlU:<E*Il!f:"
RAD-S 2000/25 fi!ii./ib, 'I'~~, ;jl:;/i!,, "'Prdl-T~ 1 ~~;l[iftiJJEtli!f:" RAD-S 2000/26 i3:1Bt, "KEKB 7'' 7 r v.Y 7 r '¥:-1;1--"-1' RAD-S 2000/27 'PN, "ATF l!!iJ!ll:O) TLD /' v :/t:: J: 9ffl-~FdJ;fjj!:!ii;O)if!IJJE" RAD-S 2000/28 fi!J./ib, OOJf>flll, "Dose Rate at Duct Surface in NML Line"
RAD-S 2000/29 *' rp~~, "S'fLIBtiJ'I:,f;lilll'Bi!ii'9@,\U'l;~ 7'' 7 r ~rnik!J!:!i!:O)/J!IJJE" RAD-S-2000/30 'PH, "ATF i!l!~t4-J1~0)~ffii~FdJ;fjj!:!II:$0)/JlUJE"
RAD-S 2000/31 'PH, "KEKB-BT itlll::l\'BO) TLD t:: J: 0ffl-~Fo9,f;lil:ii;O)IJ!IJ:.E (6 JJ :51)" RAD-S-2000/32 'PH, "KEKB i!I!Jiiiiio$ll:il'!:iie 0)* rni?:<:rdl,f;lil:!ll:$iQIJJE" RAD-S 2000/33 fi!ii./ib, OOJf>flll, ::k~, "Dose Rate at Duct Surface in NML Line"
RAD-S 2000/34 fi!ii./ib, OOJf>flll, ::k~, "Dose Rate at Duct Surface in P4 Line"
60
RAD-S-2000/35 RAD-S-2000/36 RAD-S 2000/37
RAD-S 2000/38 RAD-S 2000/39 RAD-S 2000/40 RAD-S 2000/41
RAD-S 2000/42
RAD-S 2000/42-2 RAD-S 2000/43 RAD-S 2000/44 RAD-S 2000/45 RAD-S 2000/46
RAD-S 2000/47 RAD-S 2000/48
RAD-S 2000/49 RAD-S 2000/50
RAD-S 2000/51 RAD-S 2000/52 RAD-S 2000/53 RAD-S 2000/54 RAD-S 2000/55 · RAD-S 2000/56 RAD-S 2000/57 RAD-S 2000/58 RAD-S 2000/59 RAD-S 2000/60 RAD-S 2000/61 RAD-S 2000/62 RAD-S 2000/63 RAD-S 2000/64 RAD-S-2000/65 RAD-S 2000/66 RAD-S 2000/67 RAD-S 2000/68 RAD-S 2000/69
'PH, "AR J!l!i!iif~ll:JE[~IJ)*lHf~llll~lit:!il:~iltU/:E" 9=' H' "KEKB J!l!i!iifi' 11:: i.OC1& IJ)* iHf ~lllli!Jl!:li~iJtiJ /:E" 'PH, 'i='~li!, "KEKB-BT :li!JJ:j'flliJ) TLD I~J: 01J~~r.lli!Jl!:!il:IJ)iJt1J/:E (7 fl ~)" hP.!iiJ, 1.ii~, Ji\: III, "9=' •ti'f · X\" 9=' f'E'f~~1l:>PJ1!tti!Jl!ilt1J /:Eff.i'i!ill:" Mi. !iiJ , ~ t !iiJ , * lii1 , " 9=' roH $II 1 ~ ~ 1i> IJtiJ /:E ff.li !ill:" Mi. /il,' "pj(!}1 J't 7 -{ ~ " ~ 7~~:hllll\lttJ~7J<iJtiJ /:Eff.i'i *" OOJf.fiii, 'P~Iil, IIIill, "Pl1!11J't7 -1 ~ "~7~~:hll\IDt /:E Wl PJ1!11 ** iltU /:Eff.i'i !ill:" mJ. !iiJ, Ji\: 133, ~tlil;, *K "PJ1!ttf'Ei1il:f4iltU /:Etlli, RI tlli, PJ1!1111::;~
JJOitlli /:E:Wl pj( !11 kJl! iJtlJ /:E ff.li *, WJ./il;, llltl'fll, Ji\: III, ;k:K "NML ;fiJf!l:hll\IDtt!t~1i> (211'i'i) ~~~-{ ff.li!iil:" Mi. Iii;, 1ik ~, lit III, "9=' f'E'f · X\" 'Pf'E'f~~1i>Pl1!tt**iltU/:Eff.i'i!ill:" BJJ.Iill, ~tlill, ;r.;~, "'ProH$11 1 ~~1l:\:iJtlJ/:Eff.i'i!ill:" BJJ./il;, tk~, Ji\:III, "'ProH$11 1 ~~1i>iltU/:Eff.i'i!ill:" BJJ_/il;, 'P~Iil, ~tlil;, "PJ1!11J't7-{ ~ "~7~~:hll\IDt /:E:Wl pj( !11 kJl! iJtiJ JE j\j!f *, BJJ. Iii; , "nJ1 !11 J't 7 -1 ~ " ~ 7 ~ IW<:hll\1\lt tJ~ 7!< iltU /:Ej\j!i !ill:" BJft. Iii;, 1ik ~, ;k:Jii1, "Pl1!ttt'Elill:Ni!tU I:Et!li, RI tJii, PJ1!}1fi::;~JJO ::Ctlli /:E Wl pj( !11 kJl! iJtlJ /:E j\j!f *, BJJ.Iil;, OO!f.f 133, ;k:Jii1, "*itiW!i'iltU/:Ej\j!i!ill: (NML /:E:WliltU/:E)" ;J,i>l'(1=), iifi!l!f, :1:1;$:, {'~", "KEKB lfliJ1f!IJ1l:>i'J,GIJ) ~ :::7 v o?J!I!ijiiiiJ) t::. liJ IJ) -{ ~ )7 ~ p :Y ;7 Jill! liD, 9=' ,If,, ";k5ffili' ~ :::7 v o7 tJI1 :li!JT " ~ ;f.Jv-{ ;t ~i1Jl( ~~~-{"
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'PH, "KEKB-BT J:i!ll:/f~IJ) TLD I= J; 0fJl~~r.llkJJ!:liiJ)iJIIJJE: (12 J'l:$1)" <PH, "ATF il!l~-z'IJ) TLD /' v :/I= J; 7.:> ;ft:i~~r.lli!Jl!-I;O)il{U/:E"
61
RAD-S 2000/70 RAD-S 2000/71 RAD-S 2000/72 RAD-S 2000/73 RAD-S 2000/74 RAD-S 2000/75 RAD-S 2000/76 RAD-S 2000/77 RAD-S 2000/78 RAD-S 2000/79 RAD-S 2000/80 RAD-S 2000/81 RAD-S 2000/82 RAD-S 2000/83 RAD-S 2000/84 RAD-S 2000/85 RAD-S 2000/86 RAD-S 2000/87 RAD-S 2000/88 RAD-S 2000/89 RAD-S 2000/90 RAD-S 2000/91 RAD-S 2000/92 RAD-S 2000/93 RAD-S 2000/94 RAD-S 2000/95 RAD-S 2000/96 RAD-S 2000/97
RAD-S 2000/98 RAD-S 2000/99 RAD-S 2000/100 RAD-S 2000/101 RAD-S 2000/102 RAD-S 2000/103 RAD-S 2000/104 RAD-S 2000/105 RAD-S 2000/106 RAD-S 2000/107 RAD-S 2000/108 RAD-S 2000/109 RAD-S 2000/110 RAD-S 2000/111
&F.~~.*~· "7t~~V-*-~~9V-~~-A~-~~· <PH. • r v 7.~ ~ v ~:7'-c'1tffl lJ::~&O):IJJ<!ft"il~(;:--:>v'c" 'PH. "KEKB l!I!~~Tf&O)~i!ij~:i!;$ 'PH. "KEK-BT l!I!~Wll:Wi:j&O)~i!iJ~t!fiiJIU:<i:" 9'H. "KEKB-BT tt!ll:J'f~O) TLD {;:J:: .:SfJ!Ji:~F.Ilftll?-*'fiO)iJ{IJJE (1 jj 5!)" 'i'H, "AR ilJ~t~~~~ O)~fl,9~t'fiiJIUJE" 9':t1. "AR ilJ~!.!ti~~J:O)~r.ll~t'fiiJIUJE" 9'H. "ATF J1!f!il-c'O) TLD /~ v Y'(;: J:: .:SfJ!Ji:~F.Il~:i!:O)iJIIJJE" 9'H. W.!i. ~tfll. '&\~. "AR O)J!I!i!iii~Tf&O)*i!iJ~t'fiiJ\IJJE" 't'H. "AR ilJ~~~~O)'t'f'lriJIUJE" 'PH. "*5!ll!t D :::.7 v 9 0) RFQ O)~i!iJ~F.Il~t$iJIUJE" 9'H. "ATF J1!f!il-c'O) TLD /~ v Y'i;: J:: .:Sfl'JJ~F"9~:!i!:O)iJltlJE" "'l!li. i1'1Jtfi. OOH'fiE. ~i'Ji<. "EP2 KO ::c V 7~-~-1" ~l!li. i1'1Jtfi. OOJffiE. ~19<. "EP2 P1 ::cl) 7~-~~, ~l!li, il'litfi. OO!ff IE, ~19<, "EP2 !::"-A 7 -1 ~~i!ii~:!i!:!fiiJlilJE" ~l!li. il'litfi. OOH'f!E. ~19<. "EP2 !::"-A 7~ ~JE.l\ll7. ~ 7" ~l!li. il'litfi. ~t,ll!,, ~tii. "EP2 KO ::cl) 7~-~~ (A 7~ ~l!l!·i'i')" ~l!li. il'litfi.~t&.~m. ~~~~~-*-~~oo~:!i!:¥ar ~l!li. ~m. "-7-f/v r7.7-vs ~~r"9~t¥iJI1Jfi:" ~l!li. i1'1Jtfi. IJJ£$. *~· "EP2 KO ::c D 7~-~~ (J!I!~,iia;f)" il'litfi. Jl'tiE. *~· "*~ ~ ~-7-*-;v~rdl~t¥iJIU:<i:" "'l!li.~~. ·=-=-riJ/7~~-7-f/vr~~*•IE· 1l.!ifJ!. lf!-11ii:. 9'~~. Jl'tiE .. "EP2 7-1 ~*i!ii~:i:!fiiJiiJJE" ~l!li. OOiffiE. "EP2 KO ::cl) 7~-~~,
~l!li. OOH'fiE. "EP2 !:'-A 7-1' ~~i!ii~:!i!:$iJiiJfi:" 1l.!iffl. lf!-11ii:. '1'~~. Jl'tiE. "EP1 7 ~ ~· ~l!li. rJlttfll. ":::.:- r IJ / !::''-A7-1' ~~i!ii~t$iJIUJEa\liJ!i';" 1l.!ltll. il'litfi. 9'~~. ~t,ll!,. *~· IEill. "=-=- r D / 7~ ~
"'l!li. riiitiii. "-7-f/v r7.7-Vs ~~F.!l~:!i!:$/J!tlJE" 1l.!ltll. :kK ·~t~ ~~-7-*-;v~~~ ~r.ll~:liiliUIE" ~illi. ;iiitfj, "!J-f/v r7.7-Vs ~~00~:/i$/J!IJJE" i1'1Jtfi. 9'~~. ~tii. •JI[~ ~ ~-7-*-,v~OO~t'fiiJiiJfi:• ..,m. oom IE. '1' ~~. ·~t~ ~ ~ -7 -*-/v~F.Il~:!i!:'fiiJiiJfi:a\liJii':" ~illi. 1l.!ifJ!. ~t,ll!,, :k~. ".:::.:- r I)/ t:'-A7~ ~7.::; 7" ~l!li. 1l.!io!l. ~t,ll!,, :kK "EP1 !::''-A 7-1 ~JE.l\ll7. ~ 7" 1l.!iffl. :k~. "EP1-B !::'-A 7-1 ~*i!ii~:!i!:!fiiJ{iJJE~Jii':" ~illi.1l.!lfJ!. ~t,ll!,,:k~. ".::::-rV/~-A7-1'~~00~a•a!EMJii':" ~illi. 1J.!j;fl, ~t&, :k~. "EP1 !::''-A7-1' ~fi:.l\ll7. ~ 7" "'l!li. ~t&. "EP2 !::'-A 7 ~ ~~i!ii~:li$1Jli]fi:" "'illi. ~t,ll!,, "EP2 KO ::c V 7~-~~· "'l!li. ~t,ll!,, "Jit~ ~ ~-7-*-Jv EP2 1::'-A 7-1' ~JE.Illl7. ';: 7" ~l!li. tk~. IitlE. ~19<. •.:::.:- r IJ / 7~ ~5'-f/v ~--~~*lf!IJJE"
62
RAD-S 2000/112 -=:iiiL t!cill, IitlE, "~-!fv l>AT-Y3 /~llll~:!ii.¥1lli.UJ!:" RAD-S 2000/113 fl.!ifjf, t!ci-LJ, "EP2 1::"-A 7-1 /£(jjj~:li$lJI.I)Jl:" RAD-S 2000/114 fl.!ifjf, tkill, "EP1 1::'--A 7-1 :-.-£(ffi~:lii.¥1lli.UJI:" RAD-S 2000/115 "'ill!- IitlE, :kw, "~-lf'v l>AT-Y3 /~F.Il~:li$lli.UJI:" RAD-S 2000/116 -='-IIIL IitlE, :kK "~-lf'v l>AT-Y3 :-.-~r.,~:!i$iJl1JJl:" RAD-S 2000/117 "'!ilL IJilitlii, :!li':IE, iiiE, IitlE, :ki;¥, "~-!fy l>AT-Y3 /
~llll~:!ii.¥1lli.U Jl:" RAD-S 2000/118 -='-/ilL fl.!ifjf, ~t/11,, :kw, "::::"'--I> lJ / 1::''-A 7-1 :-.-£(jjj~:li$lJI.I)Jl:~51!:" RAD-S 2000/119 fl.!ifjf, ;fi~, "EP2 1::"-A 7-1 /£(jjj~:li$lJI.iJJl:" RAD-S 2000/120 fl.!ifl(, IitlE, "EP1-B 1::''-A 7-1 /;i!Cjjj~:!ll;$lli.UJI:~51!:" RAD-S 2000/121 fl.!ifjf, t)(i-LJ, 9"~~, IitlE, "EP2 1::''-A 7-1 /;i!Cjjj,fJJ!:li$iJII)Jl:" RAD-S 2000/122 fl.!i.fj{, t!cill, 9"~~, IitlE, "EP1 I::"-A7-1 /;i\(jjj,fJJ!:li$iJliJJl:" RAD-S 2000/123 fl.!ifl(, il'litlii, 9"~~, :kw, "~-If y I> A 'T- Y 3 /~llll~:!i$lli.UJI:" RAD-S 2000/124 fl.!iffi, IJilitlii, 'i'~~, :kK ":::: c>- 1- I) / 1::"-A 7-1 /Jl:Wj A :': 7" RAD-S 2000/125 fi1i.fj{, IJilitlii, 9"~1~, :kw, "EP1 1::''-A 7-1 :-.-Jl:WJA :': 7" RAD-S 2000/126 fl.!ifjf, IJilitlii, 9"~~, "Jilt::/J? :-.-~-;t;-;v~r.,kll!:li$iliUJl:" RAD-S 2000/127 fl.!iffi, IJilitlii, t!ci-LJ, 00!1-fiE, :kK ;fi~, "~t::/J rJ/~-;t;-;v
~ r.ll "*-;: i.¥1 mu Jt" RAD-S 2000/128 -='-iiiL l!ll'l'lll, "EP2 1::"-A 7-1 /;i!Cjjj,fJJ!:li$iJliJJl:" RAD-S 2000/129 -='-ill!- i!!tilll, ":::: "'"- !> lJ / !::''-A 7-1 :-.-£( ffi,fJI!:li$iJli)Jl:~*" RAD-52000/130 -='-ill!- i!lt$, "Jilt::/J7:-.-~-;t;-;vEP2e'-A7-1/Jl:WlA:':7" RAD-S 2000/131 IJilitlij, :kw, ;fi~, "Jilt::/J? /~-;t;-;v~fllltll!:li¥i!IUJI:" RAD-S 2000/132 IJilitlij, ;q"gic, :kK "~t::/J? /~-;t;-;v~F.Il~:li$ll{IJJI:"
RAD-S 2000/133 -=:/ilL l!!t$, "~-!fv l>A'T-Y3 :-.-~r.llkll!:!i¥iliUJl:" RAD-S 2000/134 fl.!i.fj{, i!lt$, 1i"¥~, :ki;¥, "EP2 1::'-A 7-1 /;i\(ffi,fjj!:li$i!IUJI:" RAD-S 2000/135 l'iliffl, IJilitlii, 'P~I~, ":::: "'-- 1- lJ / 1::"-A 7-1 /JEJtilA :': 7" RAD-S 2000/136 fl.!i.fj{, IJilitlii, t!cill, 9"~~, "EP1 t:''-A7-1 /Jl:WJA ~ 7" RAD-S 2000/137 fl.!iffl, tic ill, "EP1-B t:''-A 7-1 /;i!Cjjj**:li$iJ!IJJl:" RAD-S 2000/138 fl.!iffi, i!ftilll, ;fi/~, :kw, "EP1 1::"-A 7-1 :-.-£(jjj**:!ll;$iJ(I)JE" RAD-S 2000/139 IJilitlij, 9"~~, 00!1-f IE, "EP2 t:"-A 7-1 :-.-;i!Cffi~:li$iJ!UJl:~51!:" RAD-S 2000/140 jW;tlij, 00!1-fiE, 9"~~, "EP2 1::'-A 7-1 /Jl:JtijA :': 7" RAD-S 2000/141 l'iliffl, IJiliJjj(_ 'P~~' :kK ~Ri, "~t::/J? /~-;t;-Jv?i':F•,**:li$iJIIJJE" RAD-S 2000/142 -=:/ilL 9"~~, "~ -lf' v 1- A'T-y 3 /~flll**:li¥iliUJl:" RAD-S 2000/143 l'iliffl, 00!1-fiE, "~t::/J? / ~ -;t;-M~~;j[~F.Il~:li$iJIIJJE" RAD-S 2000/144 -='-/ilL ~t/11,, "~-If y 1- AT-y 3 /~F.Il**:li$iJli)JE" RAD-S 2000/145 IJili)Jj(, ~tS,, 1i"1~, "::::"'"-I> lJ /7-1 :-.-~r.,X*:!i$lli.UJI:~51!:" RAD-S 2000/146 jW;Jjj(, ~t£1;, ::Pi~, "::::"'"-I> lJ /m2~~.fill)i!iJill-!f--~-1" RAD-S 2000/147 "'iiiL 1i"i~, "::::"'"-I> lJ / t:''-A7-1 /;i!Cllii~:li!:¥il!UJE~51!:" RAD-S 2000/148 -='-illi, ;fi~, "~-!fv l>AT-Y3 /~fl,,**:li$i!IUJ!:" RAD-S 2000/149 jW;Jjj(, 00!1-fiE, 'I'~~, ::Pi~, :kK ~Ri, "::::"'"-I> lJ /7-1/
~ flll,fJJ!:li!:$ili1J Jl:~ *" RAD-S 2000/150 'PH, 9"~~, "KEK-BT ±!!Ll::$0) TLD 1;::J: 0fJ('lf~F.IJ,fJJ!:liO)jJ{tlJl:
(2, 3 fl:$1)"
63
RAD-S 2000/151 RAD-S 2000/152 RAD-S 2000/153
RAD-S 2000/154 RAD-S 2000/155 RAD-S 2000/156 RAD-S 2000/157 RAD-S 2000/158 RAD-S 2000/159 RAD-S 2000/160 RAD-S 2000/161 RAD-S 2000/162 RAD-S 2000/163 RAD-S 2000/164
RAD-S 2000/165 RAD-S 2000/166 RAD-S 2000/167 RAD-S 2000/168 RAD-S 2000/169 RAD-S 2000/170 RAD-S 2000/171 RAD-S 2000/172 RAD-S 2000/173 RAD-S 2000/174 RAD-S 2000/175 RAD-S 2000/176 RAD-S 2000/177 RAD-S 2000/178 RAD-S 2000/179 RAD-S 2000/180 RAD-S 2000/181 RAD-S 2000/182 RAD-S 2000/183 RAD-S 2000/184 RAD-S-2000/185 RAD-S-2000/186 RAD-S-2000/187 RAD-S-2000/188 RAD-S-2000/189 RAD-S-2000/190 RAD-S-2000/191
Ji\; III, ~t !iiJ, :kK "YE:WliiJ<:Jlt,jjj<IJ{IJ ;E;\;i'i *" tkW-1, -1'11~, "PS ;?i}JPJ*lm~:tll7k'I'G'J 3H 11/!Wl" Ji\; III, "1)F7k 'I' iiJ<:J}t·ti!I*IWII!iJ~IJ;E;\;j'i *" ll&!iiJ, Ji\; III, :kK "YE:WliiJ<:Jlt,fjj!IJ\U ;E;\;i'i Jll:'' fJ: W-1, Ji\; III, ;#I~, "iiJ<:fi;H't!I*IW~:l11i!l*l~ 2, 3, 4 fJr/llrMVl'iJ ill ~-"-1" Ji\; III, ~t,li!,, :k~, "k:WliiJ<:fl;tkll!i~U:<Ef.li*"
Ji\; III, :kK "k:WliiJ<:MililliltUk:*i'i*"" ll&!iiJ, II III, :I: III, li't III, -1'11~, :k~, "YEWJiiJ<:!}tMJ!IJ\U ;E;\;i'i *" ~t!iiJ, -1'11~, "JEWJ}ij(Jl;t,fj)!IJ\IJ;E;\;j'i*" OOIHIIL rp111~, ~t/11;_ "iiJ<:Mti!I*IW~:J11i!l*l 2, 3, 41*/fWJiiJill~-"-1" 'I'~!L ~t,ll!,, 111~, "k:WliiJ<:MMl!lllU:<E;\;i'i*" IIIII, ~t,ll!,, ;p·/~, :k~, "YEW!iiJ<:Jlt,f',j{IJ\IJ;E;\;i'i*" Ji\; III, -1'11~, :k~, "k:WliiJ<:fl;tMl!i!lU:<E*i'i*" 11&/ih, p~, HJ, *f1, rn*, '1'1~~, ~t!iiJ, "1JF7J<iJl1J:<Eilili*" 11& lib, 'I'~~~, ~tlib, "JEWliiJ<:Mffll<i!liJ;Ef,lf *" 'I'~~~, ~tlib, "YEWliiJ<:Mkli!i!liJ :<E*Ii *" 'I'~~, ~tlib, "k:WlJ.&!f;tili!liJ!U k:*i'i 511:" '1'~~, ~tlib, "k:WJ!iJ(J}tMJ!iJlU:<E;\;i'i5!/:" 11& lib , 'P ~~ , ~ t lib , 11 I~ , " :<E Wl iiJ<: !It Ml! IJUJ :<E ~:li *" ll&lib, F'~, **' '1'~~, ;Jtlib, "1Jp7J<ilt1J;E*i'f*" 11& Jfb, ~III, 'I'~~, ~t lib, "k:WJ}ij(!}tkjj!/J{Ij 71!*11 *" ll&lib, ?~, rtf*, *11, rp1~~' ~tlib, "1JJEJJ<iltlj:<f:;f,li5!/:" 11& ,li!,' 'I'~~~' ~t .111,' ":<f:WJJij(flt,fjj!IJ\1) :<E*i'i *" 11& lib' 'i" ~~' ~t lib' ":<f:WJJij(Jl;tffjj{IJllj ;E;\;i'i *" ll&lib,?~, rn*, ~M, 'I'., ~t&, ~F7k.:<EM~ 11&&, '1'~~, ~t&, ":<f:WliiJ<:MMJ!IJliJ:<f:M*" 11& ,111,, 'I'~~, ~t & , ":<EWliiJ<:!ItMJ!IJ\IJ :<EM*" ll&&,tkW-1, 'I'., "'I'M+~1··~~7f:M5!1:" 11&&, tkW-1, ~t&, "'I'~"H~ 1 --~~~IJ:<f:M*" 11&&, ~t&, ;pfi, "'1'00+~1··~-:<EM*" 11&&, tkW-1, ~t/ih, "'l'roh'-~ 1 ••~iJliJ/E;\;i'i*" 11&&, ~tlih, ~JJ:!li, "'l'rnH·~ 1 ••~mu!Et:i'i*" e!X&, f:kW-1, '1'~~, "'l'f1ll+~ 1 -·~1Jt1Jfi::M*" 11& & , f;k W-1 , :k K "'I' IIIH-~ 1 -·~ il!IJ :<Et:li 511:" 11&&, ~t&, :k~, "'1'·~1'1- · ~'1'·~1+ •. 1!fr!~1.&MMJ!i){lj}E;f,lf*" 11&&, Ji\; III, -1'11~, "'1'·~17- · ~'l't'E+•M~iiJ<:MMJ!i!liJ/EM*" 11& !iiJ, fJ: 01, 'I'~~, "'1'·11: + · ~'I' i•t=r•M~iiJ<:MMl!iltU !EM 511:" ll&,li!,, -1'11~, ~t&, ~Ji!li, "'l'·tH· · ~'l'·ti+•M~iiJ<:Jl;t,jjj<iJ{IJ/E*If*" i!Jj,l11,, OO!ffiii' rpiiJ~, ~J'l!li, "'l'·t'l:-7- . 11\''l'ti+•··~Jij(Jltkli!IJ\IJ/Eilili*" iiJj & , rp 111~, ~J'l!li, "'1'·11:+ · ~ 'l'·t't+•M1\l:iiJ<:J}t,yj!IJliJ ;E;\;i'i *" iiJJ.&, -fJ:W-1, -1'11~, "'l'·ti+ · i''\1'1'·t't+•··~iiJ<:IMMJ!IJ\1J:<f:ilili*"
64
RAD-S-2000 1192 fiR /iib, l~l'IB, JEt~, kl#, "NML fljffl 1iiliilltt!!MIOC1iililll!' (2 II"&) -1,1--.r-::-1 illi:ll!:" RAD-S-20001193 k!W, "'iil'Jll!IRIJJxi*J!JniW;IIH-:{'¥- 'J fkll'!Jifl!(lllH'I'flffi" RAD-S-20001194 f!fJC ;Jt/iib, "P18 *X'l:l;fl7!<5i')l:l!!:'-:W 'J 3H illrtiJ!IJIE" RAD-s-2ooo 1195 1;1;:"' *' !ffi nL 1:1 ~~, JEt~, "m~E< x'lli.:Y.ill!<!ffi!lt1iiliillt-1f -.r-::-1, RAD-S-2000 I 196 fiR lfiJ- J.LJilii, f)( W-1' 0010 IE ' "$JL/E< ;!;:~.:Y.iii!<Jffi!lt1Jiiiillt-1f-.r-::--{, RAD-S-20001197 Wi/iib, ;Jt/iib, :;!;:]#, ~.1\,ii, "NML ;flj)fj1Jiiiil\t~jti(1Jiii1'& (211'i\') -1,1--.r-::-1 i!li:l!!:" RAD-S-20001198 ;Jt/iib, ;!;:K "PS8 *l{';t;p7)<cp0) 3H ill13t" RAD-S-20001199 {;!;:-"*, 'fl~IW,, ~Jli!i, "X'l'l'·~1ti't:''-A7-1 / (CN-2-3) f''::.-7°7-~7?'-"
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6.3 RAD-A
RAD-A 200011 c=.iilL "J!!1q!iif¥ ll::m\'0) 1J ? / ?' -;t;-;v A !±I 'l'l'Jll!7JI:i.;" RAD-A 200012 {t<, i!J<p, {;1;:/E<, "KEKB, AR, BT, Linac]i)!:JttiiiJ<tfJll!!Ri)IIGi*J"'-0)
)IE!Jl',t~1'i- (ill'Pi"f-~) 0)1J.t,A VJ H.!l" RAD-A 200013 'Fill, "·q"*'¥ftil '~'Jll!~IJJxi±IA VJ '~Jll!~jl)JO)-l'ffi~~'-:--:Jv'c"
65
6.4 CHEM-A
{J\(li!Ji'lfBf!IJi, CHEM-A-00/1 JJO)ffi%1f CHEM-A-00/2 JJDJ!!!%1f
CHEM-A-00/3 JJol!!!%1f CHEM-A-00/4 If'F CHEM-A-00/5 JJDJ!!!%1f
CHEM-A-00/6 JJol!!!%1f CHEM-A-00/7 JJol!!!%1f CHEM-A-00/8 JJol!!!%1f CHEM-A-00/9 JJol!!!~
CHEM-A-00/10 JJol!!!~ CHEM-A-00/11 JJol!!!~ CHEM-A-00/12 JJOJ!!!~
CHEM-A-00/13 oJt: 11'1 jflj Jll CHEM-A-00/14 JJol!!!~ CHEM-A-00/15 JJOJ!!!~
CHEM-A-00/16 JJol!!!~ CHEM-A-00/17 JJOJ!!!~
CHEM-A-00/18 *~li}f
CHEM-A-00/19 *~li}f
CHEM-A-00/20 oJt: 11'1 jflj Jll CHEM-A-00/21 oJt: 11'1 jflj Jll CHEM-A-00/22 JJol!!!~
CHEM-A-00/23 oJt: 11'1 jflj Jll CHEM-A-00/24 JJOJ!!!%1f CHEM-A-00/25 JJol!!!~
CHEM-A-00/26 oJt: 11'1 jflj Jll CHEM-A-00/27 M<!M~ CHEM-A-00/28 #im CHEM-A-00/29 oJt: 11'1 jflj Jll CHEM-A-00/30 JJol!!!~
CHEM-A-00/31 # 11'1 jflj jjj
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66
6.5 CHEM-W
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67