Other
Scientific paper
May 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1016..321s&link_type=abstract
ORIGIN OF MATTER AND EVOLUTION OF GALAXIES: The 10th International Symposium on Origin of Matter and Evolution of Galaxies: From
Other
Neutrino Scattering, Big Bang Nucleosynthesis, Shell Model, Beta Decay, Double Beta Decay, Electron And Muon Capture
Scientific paper
Neutrino-induced reactions on 12C, 4He as well as Fe and Ni isotopes are studied based on new shell model Hamiltonians for p-shell and fp-shell. Gamow-Teller and spin-dipole transitions are investigated, and applied to neutrino-nucleus reactions induced by both DAR and supernova neutrinos. The reaction cross sections are found to be enhanced compared with conventional Hamiltonians as well as previous calculations. The production yields of 7Li and 11B during supernova explosions are found to be enhanced, and the effects of neutrino oscillations and implications of the enhancement on the constraint on temperature for νμ,τ and νμ,τ are discussed. Production of other light elements such as 10Be and 10B by neutrino processes is also discussed. Neutral current reactions on Ni and Fe isotopes induced by supernova neutrinos are investigated. Effects of neutrino-induced reactions on the production yields of heavy elements such as Mn are discussed.
Chiba Satoshi
Higashiyama Koji
Honma Michio
Kajino Toshitaka
Nomoto Ken'ichi
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