Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Hiromi Hasai"'
Autor:
Satoru Endo, A. A. Marchetti, R. E. Martinelli, Anton Wallner, Klaus Knie, Georg Rugel, Shoichiro Fujita, Hiromi Hasai, Masaharu Hoshi, J. E. McAninch, Werner Rühm, S. D. Egbert, Tetsuji Imanaka, Kiyoshi Shizuma, Tore Straume, Kimio Tanaka, C. Wallner, Gunther Korschinek, Thomas Faestermann
Publikováno v:
Radiat. Res. 171, 118-122 (2009)
The first measurements of (63)Ni produced by A-bomb fast neutrons (above approximately 1 MeV) in copper samples from Hiroshima encompassed distances from approximately 380 to 5062 m from the hypocenter (the point on the ground directly under the bomb
Autor:
C. Wallner, Hiromi Hasai, Masaharu Hoshi, Anton Wallner, R. E. Martinelli, Shoichiro Fujita, K. L. Carroll, T. Faestermann, T. Straume, Georg Rugel, Gunther Korschinek, Werner Rühm, S. D. Egbert, Klaus Knie, A. A. Marchetti, J.E. McAninch, Kiyoshi Shizuma
Publikováno v:
Radiation and Environmental Biophysics. 46:327-338
Those inhabitants of Hiroshima and Nagasaki who were affected by the A-bomb explosions, were exposed to a mixed neutron and gamma radiation field. Few years later about 120,000 survivors of both cities were selected, and since then radiation-induced
Autor:
Takeshi Matsuhiro, Yasuo Nagashima, Riki Seki, Shoichiro Fujita, Kimikazu Sasa, Keisuke Sueki, Kiyoshi Shizuma, Hiromi Hasai, Masaharu Hoshi, Tsutomu Takahashi
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :782-787
36Cl is a long-lived radioisotope, which, because it is created mainly through a thermal neutron capture process by 35Cl, may be used to estimate the strength of thermal neutron flux from A-bombs or nuclear fuel facilities. The 36Cl contents in grani
Autor:
Kimio Tanaka, Namik Sahin, Masaharu Hoshi, Gerd Marissens, Mikael Hult, Satoru Endo, Hiromi Hasai, Kiyoshi Shizuma
Publikováno v:
Applied Radiation and Isotopes. 70:1974-1976
This paper describes ultra low-level gamma-ray spectrometry measurements of the 60Co activity distribution inside one 52 mm and one 41 mm thick steel sample. The samples had been exposed to the Hiroshima atomic bomb and were from the Aioi bridge and
Autor:
Takamitsu Oka, Kazuo Iwatani, Hiromi Hasai, Satoru Endo, Tatsuya Shimazaki, Tetsuji Imanaka, Yutaka Okumura, Masaharu Hoshi, Shoichiro Fujita, Tadaaki Watanabe, Kiyoshi Shizuma, Jun Takada
Publikováno v:
Journal of Radiation Research. 43:387-396
60 Co / Specific activity / Atomic bomb / DS86 / Neutrons Residual 60 Co activity in five steel samples induced by neutrons from the Nagasaki atomic bomb has been measured within about 1000 m from the hypocenter. The chemical separation of cobalt and
Autor:
Kazuo Iwatani, Jun Takada, Masaharu Hoshi, Takamitsu Oka, Masayori Ishikawa, Hiromi Hasai, Yumiko Nitta, Shoichiro Fujita, Kiyoshi Shizuma, Satoru Endo
Publikováno v:
ResearcherID
Scopus-Elsevier
Scopus-Elsevier
Crack model/Hiroshima atomic bomb/Neutron/Neutron discrepancy/DS86 There has been a large discrepancy between the Dosimetry system 1986 (DS86) 1) and measured data, some of which data in Hiroshima at about 1.5 km ground distance from the hypocenter a
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 410:309-313
Simple and accurate methods for the determination of radon concentration in water have been developed. Sample water collected in a 100 ml Teflon vial was directly measured with a low-background Ge spectrometer and the radon concentration was derived
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 410:314-318
A high-resolution α liquid-scintillation spectrometer, PERALS, has been applied to the measurement of radon concentration in water. The efficiency calibration has been performed for the 5.49 MeV α-rays from 222Rn incorporated with a solvent extract
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 397:478-482
Isomers having half-lives of a few hours have been photoactivated by 60 Co γ-ray irradiation. The γ-rays emitted from isomers were measured with a low-background Ge detector. The decay data were analyzed by both least-squares method and maximum lik
Autor:
G. Kajiyama, Kiyoshi Shizuma, Xiaoqiong Wen, Hiromi Hasai, I. Horiuchi, Kazuo Iwatani, Shunichi Hamanaka
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 129:401-409
The trace element analysis of 26 gallstone samples, each classified into one of five types, has been performed by the PIXE method. The elemental correlation between bile and gallstone, sampled from the same patient has also been investigated for 19 o