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Cross section measurement of $$^{117}$$Sn$$(n,gamma)$$ using ANNRI-NaI(Tl) spectrometer at J-PARC

J-PARC/ANNRI-NaI(Tl)スペクトロメータを用いた$$^{117}$$Sn$$(n,gamma)$$断面積の測定

廣瀬 健太郎  ; 古高 和禎  ; 原 かおる; 原田 秀郎   ; 木村 敦   ; 北谷 文人  ; 小泉 光生 ; 中村 詔司  ; 大島 真澄; 藤 暢輔   ; 井頭 政之*; 片渕 竜也*; 松橋 泰平*; 水本 元治*; 寺田 和司*; 加美山 隆*; 木野 幸一*; 鬼柳 善明*; 堀 順一*

Hirose, Kentaro; Furutaka, Kazuyoshi; Hara, Kaoru; Harada, Hideo; Kimura, Atsushi; Kitatani, Fumito; Koizumi, Mitsuo; Nakamura, Shoji; Oshima, Masumi; Toh, Yosuke; Igashira, Masayuki*; Katabuchi, Tatsuya*; Matsuhashi, Taihei*; Mizumoto, Motoharu*; Terada, Kazushi*; Kamiyama, Takashi*; Kino, Koichi*; Kiyanagi, Yoshiaki*; Hori, Junichi*

The cross section for $$^{117}$$Sn$$(n,gamma)$$ reaction has been measured in the neutron energy from 1eV to 1keV using the ANNRI-NaI(Tl) spectrometer at J-PARC/MLF. The sample used in the present experiment was metal tin enriched in $$^{117}$$Sn by 87%. The impurities of $$^{116}$$Sn and $$^{118}$$Sn were 9.3% and 3%, respectively. In the data analysis, the background of the frame-overlap neutrons and the scattered neutrons were subtracted. Comparison with the evaluation of JENDL-4.0 and ENDF/B-VII.1 will be presented in the poster session.

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