Applicability of pre-equilibrium coalescence model to evaluation of alpha-particle production cross sections
国枝 賢; 深堀 智生; 平山 嵩祐*; 渡辺 幸信*
Kunieda, Satoshi; Fukahori, Tokio; Hirayama, Shusuke*; Watanabe, Yukinobu*
Applicability of the pre-equilibrium coalescence model was investigated toward advanced nuclear data. This study was devoted to the analysis for nucleon-induced alpha-particle production cross sections up to 200 MeV. The optical model calculation was performed with suitable potential parameters both for incident- and outgoing- channels. The Iwamoto-Harada-Sato coalescence model was tentatively incorporated into the GNASH code in order to take account the pickup contribution from the pre-equilibrium stages. It was found that the present approach can reproduce measured cross sections better than empirical models which had been commonly used for nuclear data evaluations up to $$sim$$100 MeV. From comparisons between the model calculations and measurements, we discuss the behaviors of the model parameters and applicability limit of the present approach.
使用言語 : English
掲載資料名 : Journal of the Korean Physical Society
: 59
: 2
ページ数 : p.911 - 914
発行年月 : 2011/08
出版社名 : Springer
発表会議名 : International Conference on Nuclear Data for Science and Technology (ND 2010)
開催年月 : 2010/04
開催都市 : Jeju
開催国 : Korea
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登録番号 : BB20100095
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論文投稿番号 : 13712
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