Neutrino-induced reactions on Fe56 and Ni56, and production of Mn55 in population III stars

Details Neutrino-induced reactions on Fe56 and Ni56, and production of Mn55 in population III stars Neutrino-induced reactions on Fe56 and Ni56, and production of Mn55 in population III stars

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009phrvc..79f1603s&link_type=abstract

Physical Review C, vol. 79, Issue 6, id. 061603

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11

Lepton-Induced Reactions, Shell Model, Nucleosynthesis In Novae, Supernovae, And Other Explosive Environments

Scientific paper

Neutrino-induced reactions on Fe56 and Ni56 are investigated based on a new shell-model Hamiltonian for pf shell. The calculated charged current reaction cross section on Fe56 induced by decay-at-rest (DAR) neutrinos is shown to be consistent with the observation. The Gamow-Teller strength in Ni56 is found to be more spread compared to previous calculations and result in a considerably large branching ratio for the proton knock-out channel. As a consequence of this, the production yields of heavy elements such as Mn55 in population III stars are shown to be enhanced for the new Hamiltonian.

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