Density dependence of nuclear neutrino-pair production

C. J. Horowitz

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Nuclear decay via neutrino-pair production is found to have a large density dependence because of intermediate electromagnetic couplings to electrons. These are calculated in a relativistic random phase approximation. The decay rate for vector (Fermi) transitions producing electron type neutrino pairs can be enhanced by 105 or more at densities relevant for stellar collapse. Axial-vector (Gamow-Teller) transitions are not enhanced.

Original languageEnglish
Pages (from-to)2627-2630
Number of pages4
JournalPhysical Review Letters
Volume69
Issue number18
DOIs
StatePublished - 1992
Externally publishedYes

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