Complete inclusion of parity-dependent level densities in the statistical description of astrophysical reaction rates

Simple item page
dc.creatorLoens, Hans Peter
dc.creatorLanganke, Karlheinz
dc.creatorMartínez-Pinedo, Gabriel
dc.creatorRauscher, Thomas
dc.creatorThielemann, Friedrich-Karl
dc.date2008-04-28
dc.date.accessioned2026-07-07T11:50:19Z
dc.date.available2026-07-07T11:50:19Z
dc.descriptionMicroscopic calculations show a strong parity dependence of the nuclear level density at low excitation energy of a nucleus. Previously, this dependence has either been neglected or only implemented in the initial and final channels of Hauser-Feshbach calculations. We present an indirect way to account for a full parity dependence in all steps of a reaction, including the one of the compound nucleus formed in a reaction. To illustrate the impact on astrophysical reaction rates, we present rates for neutron captures in isotopic chains of Ni and Sn. Comparing with the standard assumption of equipartition of both parities, we find noticeable differences in the energy regime of astrophysical interest caused by the parity dependence of the nuclear level density found in the compound nucleus even at sizeable excitation energies.
dc.description7 figures, 7 pages
dc.identifierhttps://arxiv.org/abs/0804.4402
dc.identifierhttp://arxiv.org/abs/0804.4402
dc.identifierPhys.Lett.B666:395-399,2008
dc.identifierdoi:10.1016/j.physletb.2008.07.073
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/203526
dc.subjectNuclear Theory
dc.subjectAstrophysics
dc.titleComplete inclusion of parity-dependent level densities in the statistical description of astrophysical reaction rates
dc.typetext

Files

Collections

arXiv