Neutrino-Induced Neutral-Current Reaction Cross Sections for r-PROCESS Nuclei

Details Neutrino-Induced Neutral-Current Reaction Cross Sections for r-PROCESS Nuclei Neutrino-Induced Neutral-Current Reaction Cross Sections for r-PROCESS Nuclei

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002adndt..82..191l&link_type=abstract

Atomic Data and Nuclear Data Tables, Volume 82, Issue 2, p. 191-209.

Physics

7

Scientific paper

Neutrino-induced reactions play an important role during and after the r-process, if the latter occurs in an environment with extreme neutrino fluxes such as the neutrino-driven wind model or neutron star mergers. Recently we have evaluated the charged-current neutrino-nucleus cross sections relevant for r-process simulations. We extend our approach here to the neutral-current cross sections. Our tabulation considers neutron-rich nuclei with neutron numbers N=41-135 and charge numbers Z=21-82 and lists total as well as partial neutron spallation cross sections. The calculations have been performed within the random phase approximation considering multipole transitions with J<=3 and both parities. The supernova neutrino spectrum is described by a Fermi-Dirac distribution with various temperature parameters between T=2.8 MeV and T=10 MeV and with the degeneracy parameters α=0 and α=3.

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