R-process nucleosynthesis in supernova explosion

M. Saruwatari, M. Hashimoto, K. Kotake, S. Yamada

研究成果: Conference contribution

抄録

We investigate the possibility of the r-process during the magnetohydrodynamical (MHD) explosion of supernova in a massive star of 13M with the effects of neutrinos included. Contrary to the case of the spherical explosion, jet-like explosion due to the combined effects of rotation and magnetic field lowers the electron fraction significantly inside the layers. We find that the ejected material of low electron fraction responsible for the r-process comes out from the inner deep region of the core that is made up of iron-group nuclei. This leads to the production of the second to third peak in the solar r-process elements. We suggest that there are some variations in the r-process nucleosynthesis according to the initial conditions of rotational and magnetic fields.

本文言語English
ホスト出版物のタイトルFrontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 3
ページ420-422
ページ数3
DOI
出版ステータスPublished - 2011 11 24
イベント3rd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 3 - Rhodes, Greece
継続期間: 2010 8 232010 8 27

出版物シリーズ

名前AIP Conference Proceedings
1377
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Conference

Conference3rd International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions, FINUSTAR 3
CountryGreece
CityRhodes
Period10/8/2310/8/27

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • Physics and Astronomy(all)
  • Nature and Landscape Conservation

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