2026-03-13T01:17:00Z https://hbg.repo.nii.ac.jp/oai

oai:hbg.repo.nii.ac.jp:00004348 2023-11-06T05:33:29Z 27:817

残留放射能60Co, 63Niの測定による原爆中性子の評価 MEASUREMENT OF RESIDUAL RADIOACTIVITIES　60Co AND 63Ni FOR THE REEVALUATION OF ATOMIC- BOMB NEUTRONS 静間, 清 岩谷, 和夫 葉佐井, 博巳 岡, 隆光 星, 正治 柴田, 徳思 柴田, 誠一 今村, 峯雄 Shizuma, Kiyoshi Iwatani, Kazuo Hasai, Hiromi Oka, Takamitsu Hoshi, Masaharu Shibata, Tokushi Shibata, Seiichi Imamura, Mineo application/pdf Residual radioactivities 60Co and 6 8 Ni are induced in iron samples exposed to atomic-bomb neutrons through reactions 59Co(n, γ ) 60Co and 62Ni(n, γ ) 63 Ni. 60Co can be measured by the use of a low background Ge spectrometer. Since 68 Ni emits only low- energy 0 rays, it can be measured by the low background liquid scintillation counter. In this paper, sample preparation method to separate Co and Ni from iron samples and an example of 68 Ni measurement are described. 1995-03 jpn article https://hbg.repo.nii.ac.jp/records/4348 Proceeding of the Workshop on Topics in Nuclear Radiation Detection 6 159 165 https://hbg.repo.nii.ac.jp/record/4348/files/oka_takamitsu_950349.pdf application/pdf 310.2 kB 2023-05-29