Nucleosynthesis in a massive star associated with magnetohydrodynamical jets from collapsars

M. Ono, M. Hashimoto, S. Fujimoto, K. Kotake, S. Yamada

研究成果: Conference contribution

抄録

We investigate the nucleosynthesis during the stellar evolution and the jet-like supernova explosion of a massive star of 70 M having the solar metallicity in the main sequence stage. The nucleosynthesis calculations have been performed with large nuclear reaction networks, where the weak s-, p-, and r-processes are taken into account. As a result s-elements of 60 > A > 90 and r-elements of 90 > A > 160 are highly overproduced relative to the solar system abundances. We find that the Sr-Y-Zr isotopes are primarily synthesized in the explosive nucleosynthesis which could be one of the sites of the lighter element primary process (LEPP).

本文言語English
ホスト出版物のタイトルOrigin of Matter and Evolution of Galaxies 2011
ページ412-414
ページ数3
DOI
出版ステータスPublished - 2012 12 1
イベントInternational Symposium on Origin of Matter and Evolutions of Galaxies 2011, OMEG 2011 - Wako, Japan
継続期間: 2011 11 142011 11 17

出版物シリーズ

名前AIP Conference Proceedings
1484
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Conference

ConferenceInternational Symposium on Origin of Matter and Evolutions of Galaxies 2011, OMEG 2011
CountryJapan
CityWako
Period11/11/1411/11/17

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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