Cross-section measurement of 237Np (n, γ) from 10 meV to 1 keV at Japan Proton Accelerator Research Complex

Kentaro Hirose, Kazuyoshi Furutaka, Kaoru Y. Hara, Hideo Harada, Atsushi Kimura, Tadahiro Kin, Fumito Kitatani, Mitsuo Koizumi, Shoji Nakamura, Masumi Oshima, Yosuke Toh, Masayuki Igashira, Tatsuya Katabuchi, Motoharu Mizumoto, Takashi Kamiyama, Koichi Kino, Yoshiaki Kiyanagi, Jun Ichi Hori

研究成果: ジャーナルへの寄稿学術誌査読

25 被引用数 (Scopus)

抄録

The cross-section of the 237Np (n; γ) reaction has been measured in the energy range from 10 meV to 1 keV using the ANNRI-NaI(Tl) spectrometer at the Japan Proton Accelerator Research Complex (JPARC). The cross-section was obtained relative to that of the 10B (n; α1) reaction. The absolute value of the cross-section was deduced by normalizing the relative cross-section to the evaluated value of JENDL-4.0 at the first resonance. The thermal cross-section was obtained to be (176.7 ± 0.5sta ± 4.7sys) b. The Maxwellian-averaged cross-section for kT = 25:3 meV was derived as (174.6 ± 0.6sta ± 5.1sys) b by referring the cross-section below 10 meV from JENDL-4.0. These results lead to the Westcott's g-factor of 0.988 ± 0.004sta ± 0.009sys.

本文言語英語
ページ(範囲)188-200
ページ数13
ジャーナルjournal of nuclear science and technology
50
2
DOI
出版ステータス出版済み - 2月 2013

!!!All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学

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