Nuclear Medium Effects in the Intranuclear Cascade Calculation

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著者

    • TAKADA Hiroshi
    • Department of Reactor Engineering, Japan Atomic Energy Research Institute

抄録

In order to investigate the nuclear medium effects in the intranuclear cascade (INC) model for the nuclear reaction analysis at incident energies between 20 and 200MeV, the ISOBAR code which treats the reflection and refraction was modified to employ the parametrized in-medium nucleon-nucleon (NN) cross sections and thethreshold energy for (p, n) and (n, p) reactions. It was found through the calculations of the proton inducedreactions on both thin and thick targets of Fe to Pb that ISOBAR with the in-medium NN cross sections gave successful agreement with the experiments for both the neutron and the proton double differential cross sections.In particular, the calculation reproduced the quasi-elastic peak in the neutron energy spectra better than the Bertini-model calculation. Moreover, the accuracy of NMTC/JAERI-MCNP-4A code system for the thick targetcalculation was also improved significantly by including the ISOBAR code using the in-medium NN cross sections.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 33(4), p.275-282, 1996-04-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002074496
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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