Synthesis of odd-odd nuclei by supernova neutrino process

Hayakawa, Takehito; Nakamura, Ko*; Kajino, Toshitaka*; Chiba, Satoshi; Cheoun, M. K.*; Mathews, G. J.*; Iwamoto, Nobuyuki

Huge amount of neutrinos are generated from proto neutron stars in early phase of supernova explosions. They produce new isotopes from pre-existing isotopes by neutrino-nucleus interactions in outer layers of supernovae. In general, odd-odd isotopes have rare isotopic abundance compared with other isotopes and thus synthesis by neutrino can contribute its abundance. Such odd-odd isotopes are observed in the solar abundances and meteorites. We discuss nucleosynthesis by neutrino-induced reactions with a supernova model.

Language	:	Japanese
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Meeting title	:	日本物理学会第67回年次大会
Held date	:	2012/03
Location (city)	:	西宮
Location (country)	:	日本
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Registration No. : BB20113221
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