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Supernova β decay of nuclides 53Fe, 54Fe, 55Fe and 56Fe in strongly screened plasma

Jing-Jing Liu, Dong-Mei Liu


Electron screening has strong effects on electron energy and threshold energy of the beta decay reaction. In this paper, we study β decay rates of some iron isotopes. The beta decay rates increase by about two orders of magnitude due to electron screening. Strongly screened beta decay rates due to Q-value correction are more than one order of magnitude higher than those without Q-value correction.


physical data and processes: nuclear reactions, nucleosynthesis, abundances — stars: su- pernovae

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Print ISSN: 1674-4527

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