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Measurement of the $$^{77}$$Se($$gamma$$, n) cross section and uncertainty evaluation of the $$^{79}$$Se(n, $$gamma$$) cross section

$$^{77}$$Se($$gamma$$, n)断面積測定と$$^{79}$$Se(n, $$gamma$$)断面積の$$gamma$$線強度関数法による見積もり

北谷 文人  ; 原田 秀郎   ; 後神 進史*; 岩本 信之  ; 宇都宮 弘章*; 秋宗 秀俊*; 豊川 弘之*; 山田 家和勝*; 井頭 政之*

Kitatani, Fumito; Harada, Hideo; Goko, Shinji*; Iwamoto, Nobuyuki; Utsunomiya, Hiroaki*; Akimune, Hidetoshi*; Toyokawa, Hiroyuki*; Yamada, Kawakatsu*; Igashira, Masayuki*

We precisely measured the ($$gamma$$, n) cross section for $$^{77}$$Se by developing a spectroscopic method utilizing Laser Compton-Scattering $$gamma$$-rays. Moreover, the $$^{79}$$Se(n, $$gamma$$) $$^{80}$$Se cross section was deduced using the statistical model calculation code CCONE with $$gamma$$-ray strength functions adjusted to reproduce the ($$gamma$$, n) cross sections for $$^{77}$$Se and the even Se isotopes $$^{76}$$Se, $$^{78}$$Se and $$^{80}$$Se. The reliability of the $$^{79}$$Se(n, $$gamma$$) $$^{80}$$Se cross section calculated by CCONE with the adjusted $$gamma$$-ray strength function was evaluated by comparing available experimental (n, $$gamma$$) cross sections for stable $$^{76, 77}$$Se isotopes and those calculated by CCONE with the adjusted $$gamma$$-ray strength function. The result provides fundamental data for the study of nuclear transmutation for the long-lived fission product of $$^{79}$$Se.

使用言語

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English

掲載資料名

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Journal of Nuclear Science and Technology

巻

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53

号

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4

ページ数

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p.475 - 485

発行年月

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2016/04

発表会議名

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開催年月

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開催都市

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開催国

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キーワード

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photonuclear reaction; neutron capture cross section; inverse reaction; Se-76; Se-77; Se-78; Se-79; Se-80; laser-Compton scattering gamma-rays; gamma-ray strength function

特許データ

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PDF

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論文URL

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https://doi.org/10.1080/00223131.2015.1056760

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研究データの公開先DOI

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使用施設

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広報プレスリリース

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論文解説記事
(成果普及情報誌)

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受委託・共同研究相手機関

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東京工業大学; 甲南大学; 産業総合研究所

Access

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- Accesses

InCites™

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パーセンタイル：20.83

分野：Nuclear Science & Technology

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