Influence of electron screening on electron capture rate under high density of stellar interior.

Details Influence of electron screening on electron capture rate under high density of stellar interior. Influence of electron screening on electron capture rate under high density of stellar interior.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996sccha..39..776l&link_type=abstract

Science in China, Series A, Vol. 39, No. 7, p. 776 - 784

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Stellar Interiors: Electrons

Scientific paper

The influence of electron screening on electron capture rate in strong screening is investigated, in which the Gamow-Teller resonance transition is considered and the matrix elements for the resonance transition are calculated on the basis of a shell model. The effect of electron screening on electron capture by 56Co is discussed. It is shown that the screening decreases evidently the capture rates in lower temperature and higher density. The effect of electron screening on other nuclear capture rates is estimated. The conclusion derived may influence the research for late stellar evolution and supernova explosions.

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