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The r-process element abundance with a realistic fission fragment mass distribution

  • S. Chiba
  • , H. Koura
  • , T. Maruyama
  • , M. Ohta
  • , S. Tatsuda
  • , T. Wada
  • , T. Tachibana
  • , K. Sumiyoshi
  • , K. Otsuki
  • , T. Kajino
  • Japan Atomic Energy Agency
  • Konan University
  • Kansai University
  • Waseda University
  • National Institute of Technology, Numazu College
  • GSI Helmholtz Centre for Heavy Ion Research
  • National Astronomical Observatory of Japan
  • The University of Tokyo

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Effect of the β-delayed fission in r-process abundance is investigated with a realistic model for the fission fragment mass distribution (FFMD). The data base for the FFMD is constructed based on the two-center shell model and multi-dimensional Langevin calculation. The β-decay rates including neutron emission and β-delayed fission are also newly calculated with 2nd version of the the gross theory. The differences appeared in the final element abundance calculated with and without fission process, with different β-delayed fission rates are demonstrated.

源语言英语
主期刊名Origin of Matter and Evolution of Galaxies - 10th International Symposium on Origin of Matter and Evolution of Galaxies
主期刊副标题From the Dawn of Universe to the Formation of Solar System, OMEG 2007
编辑Toshitaka Kajino, Takuma Suda, Takaya Nozawa, Akira Ohnishi, Masayuki Y. Fujimoto, Shigeru Kubono, Kiyoshi Kato
出版商American Institute of Physics Inc.
162-167
页数6
ISBN(电子版)9780735405370
DOI
出版状态已出版 - 2008
已对外发布
活动10th International Symposium on Origin of Matter and Evolution of Galaxies: From the Dawn of Universe to the Formation of Solar System, OMEG 2007 - Sapporo, 日本
期限: 4 12月 20077 12月 2007

出版系列

姓名AIP Conference Proceedings
1016
ISSN(印刷版)0094-243X
ISSN(电子版)1551-7616

会议

会议10th International Symposium on Origin of Matter and Evolution of Galaxies: From the Dawn of Universe to the Formation of Solar System, OMEG 2007
国家/地区日本
Sapporo
时期4/12/077/12/07

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