Neutrino Induced Reactions with the Nuclei in Core Collapsing Supernovae(YKIS2011 Papers,Frontier Issues in Physics of Exotic Nuclei)
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概要
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We calculated neutrino-induced reactions in the energy range below the quasi-elastic region for nuclei of astrophysical importance. Neutrino-induced reactions have been thought to be important for the nucleosynthesis in core collapsing supernovae (SNe) explosions because expected neutrino flux is sufficiently high enough to excite many relevant nuclei. Our calculations are carried out with the Quasi-particle Random Phase Approximation (QRPA), which successfully described the nuclear beta decays of relevant nuclei by taking all kinds of pairing correlations into account. To describe neutrino-nucleus reactions, general multipole transitions by the weak interaction are considered for neutral and charged current reactions. Both reactions are described in a theoretical framework. Our results, which well reproduce the sparse experimental data related to the neutrino reaction and the Gamow Teller (GT) strength, are extended further for neutrino reactions on various feasible nuclei.
- 2012-10-22
著者
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KAJINO Toshitaka
National Astronomical Observatory
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Cheoun Myung-ki
Department Of Physics Songsil University
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CHEOUN Myung-Ki
Department of Physics, Soongsil University
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