High Resolution Measurements of Double Differential (n, α)Cross Sections of ^<58>Ni and ^<nat>Ni between 4. 2 and 6. 5 MeV Neutrons

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Double differential (n, α) reaction cross sections of <SUP>58</SUP>Ni and <SUP>nat</SUP>Ni 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 α<SUB>0</SUB>, α<SUB>1</SUB> and α<SUB>i ?? 2</SUB> 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.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 35(12), 851-856, 1998-12-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002080477
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4629717
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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