Nuclear weak processes and astrophysical applications
20126 pages
Part of Proceedings, Rutherford Centennial Conference on Nuclear Physics : Manchester, UK, August 8-12,2011
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- J.Phys.Conf.Ser. 381 (2012) 012118
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Abstract: (IOP)
Nuclear weak processes are investigated based on new shell model Hamiltonians, which give successful description of spin responses in nuclei, and applied to astrophysical problems. Neutrino-induced reactions on (12)C and synthesis of light elements by supernova neutrinos, and effects of contamination of (13)C, whose natural isotopic abundance is 1.1%, on inclusive -(12)C reactions are discussed. Spin-dipole transitions and -induced reactions on (16)O are studied by using a new Hamiltonian with proper tensor components, and compared with conventional calculations and previous CRPA results. Gamow-Teller transition strength in (40)Ar and -induced reactions on (40)Ar by solar neutrinos are studied based on monopole-based-universal interaction (VMU). We finally discuss electron capture reactions on Ni isotopes in stellar environments.- neutrino: supernova
- electron: capture
- neutrino: solar
- weak interaction
- nucleus
- Hamiltonian
- Gamow-Teller transition
- shell model
- spin
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