Neutrino-Nucleus Reactions at MeV Region based on New Shell-Model Hamiltonians

Journal Article · Wed Nov 23 00:00:00 EST 2011 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3661599· OSTI ID:21612283

Suzuki, Toshio ^[1]

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1. Department of Physics and Graduate School of Integrated Basic Sciences, College of Humanities and Sciences, Nihon University, Sakurajosui 3-25-40, Setagaya-ku, Tokyo 156-8550, Japan, Center for Nuclear Study, University of Tokyo, Hirosawa, Wako-shi, Saitama, 351-0198, Japan and National Astronomical Observatory of Japan, Mitaka, Tokyo 181-8588 (Japan)

Neutrino-nucleus reactions at MeV region are evaluated by using new shell model Hamiltonians, which are found to improve the description of spin degrees of freedom in nuclei as well as shell evolutions. The light element synthesis by neutrino processes in supernova explosions is discussed with the use of the new reaction cross sections for {sup 12}C and {sup 4}He. Possible constraints on the mixing angle {theta}{sub 13} and the neutrino mass hierarchy are pointed out to be imposed by the production yields of {sup 7}Li and {sup 11}B. Spin-dipole transition strengths in {sup 16}O and neutrino-induced reactions on {sup 16}O are investigated with the new improved Hamiltonian. The Gamow-Teller transition strength in {sup 56}Ni for the new Hamiltonian, which is more fragmented compared to previous calculations, is found to lead to the enhancement of the production yield of {sup 55}Mn in population III stars.

• OSTI ID: 21612283
• Journal Information: AIP Conference Proceedings, Vol. 1405, Issue 1; Conference: NUINT11: 7. international workshop on neutrino-nucleus interactions in the few GeV regions, Dehradun (India), 7-11 Mar 2011; Other Information: DOI: 10.1063/1.3661599; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BORON 11
CARBON 12
CROSS SECTIONS
GAMOW-TELLER RULES
HAMILTONIANS
HELIUM 4
LITHIUM 7
MANGANESE 55
MEV RANGE
NEUTRINO OSCILLATION
NEUTRINO REACTIONS
NEUTRINO-NUCLEON INTERACTIONS
NICKEL 56
NUCLEAR REACTION YIELD
NUCLEON-NUCLEON INTERACTIONS
NUCLEOSYNTHESIS
OXYGEN 16 TARGET
SHELL MODELS
SPIN
WEINBERG ANGLE
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BORON ISOTOPES
CARBON ISOTOPES
DAYS LIVING RADIOISOTOPES
ELECTRON CAPTURE RADIOISOTOPES
ENERGY RANGE
EVEN-EVEN NUCLEI
HADRON-HADRON INTERACTIONS
HELIUM ISOTOPES
INTERACTIONS
INTERMEDIATE MASS NUCLEI
ISOTOPES
LEPTON REACTIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIGHT NUCLEI
LITHIUM ISOTOPES
MANGANESE ISOTOPES
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
NICKEL ISOTOPES
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEI
ODD-EVEN NUCLEI
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
QUANTUM OPERATORS
RADIOISOTOPES
STABLE ISOTOPES
SYNTHESIS
TARGETS
YIELDS