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Supernova Nucleosynthesis with Neutrino Processes: Dependence of Fluorine abundance on Stellar Mass, Explosion Energy and Metallicity

Published online by Cambridge University Press:  05 September 2012

Natsuko Izutani ,
Hideyuki Umeda  and
Takashi Yoshida
Natsuko Izutani
Affiliation:
Department of Astronomy, School of Science, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033 email: izutani@astron.s.u-tokyo.ac.jp
Hideyuki Umeda
Affiliation:
Department of Astronomy, School of Science, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033 email: izutani@astron.s.u-tokyo.ac.jp
Takashi Yoshida
Affiliation:
Department of Astronomy, School of Science, University of Tokyo, Bunkyo-ku, Tokyo, 113-0033 email: izutani@astron.s.u-tokyo.ac.jp
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Abstract

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We investigate the effects of neutrino-nucleus interactions on the production of Fluorine during normal supernovae and hypernovae, and discuss stellar mass, metallicity and explosion energy dependence of [F/Fe,Ne,O]. We find the clear trend of [F/Fe,O,Ne] with stellar mass and explosion energy, while no clear trend with metallicity. This trend of [F/O] can be used to constrain the contributed stellar mass by comparing with the observational abundance.

Keywords

neutrinosnuclear reactionsnucleosynthesisabundancessupernova: general
Type
Poster Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S279: Death of Massive Stars: Supernovae and Gamma-Ray Bursts , April 2011 , pp. 339 - 340
Copyright
Copyright © International Astronomical Union 2012

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