Weak Interaction, Nuclear Physics and Supernovae

Details Weak Interaction, Nuclear Physics and Supernovae Weak Interaction, Nuclear Physics and Supernovae

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008acppb..39..265l&link_type=abstract

Acta Physica Polonica B, vol. 39, Issue 2, p.265

Physics

Nuclear Physics

4

Scientific paper

Nuclear physics plays an essential role in the dynamics of a type II supernova (a collapsing star). Recent advances in nuclear many-body theory allow now improved calculations of the stellar weak-interaction rates involving nuclei. The most important process is the electron capture on finite nuclei with mass numbers A>55. This process is the source of neutrinos during the collapse phase. Neutrino--nucleus reactions occur during the collapse and explosion phase. They play an interesting role for supernova nucleosynthesis. Spectroscopy by supernova neutrino detectors is a fascinating goal for the observation of the next close-by supernova.

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