High Resolution Measurements of Double Differential(n,α)Cross Sections of 58Ni and natNi between 4.2 and 6.5MeV Neutrons

DOI Web Site 参考文献14件
  • SANAMI Toshiya
    Department of Quantum Science and Energy Engineering, Tohoku University
  • BABA Mamoru
    Department of Quantum Science and Energy Engineering, Tohoku University Japan Reseach Institute
  • KAWANO Toshihiko
    Advanced Energy Engineering Science, Kyushu University
  • MATSUYAMA Shigeo
    Department of Quantum Science and Energy Engineering, Tohoku University
  • KIYOSUMI Takehide
    Department of Quantum Science and Energy Engineering, Tohoku University
  • NAUCHI Yasushi
    Department of Quantum Science and Energy Engineering, Tohoku University
  • SAITO Keiichiro
    Department of Quantum Science and Energy Engineering, Tohoku University Nippon Telegra and Telephone Corporation
  • HIRAKAWA Naohiro
    Department of Quantum Science and Energy Engineering, Tohoku University

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タイトル別名
  • High Resolution Measurements of Double Differential (n, .ALPHA.) Cross Sections of 58Ni and natNi between 4.2 and 6.5 MeV Neutrons.
  • High Resolution Measurements of Double

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Double differential (n, α) reaction cross sections of 58Ni and natNi were measured for 4.2-6.5MeV neutrons with energy resolution good enough to separate α-particles from the low-lying levels of residual nuclei by using a gridded ionization chamber. Angular distribution and excitation functions were derived for α0, α1 and αi ?? 2 components (α-particles to the ground level, the lst level and levels higher than the 2nd level, respectively). The experimental results were compared with these obtained from calculation based on Hauser-Feshbach model employing the optical potential and the level density parameters derived to reproduce the experimental values of total, (n, p) and (n, α) cross sections. The calculation showed fair agreement with the experimental data while it underestimated the (n, α) cross section above 6MeV.

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