A modified Brink-Axel hypothesis for astrophysical Gamow-Teller transitions
Raul A. Herrera,
Calvin W. Johnson,
George M. Fuller
Abstract:Weak interaction charged current transition strengths from highly excited nuclear states are fundamental ingredients for accurate modeling of compact object composition and dynamics, but are difficult to obtain either from experiment or theory. For lack of alternatives, calculations have often fallen back upon a generalized Brink-Axel hypothesis, that is, assuming the strength function (transition probability) is independent of the initial nuclear state but depends only upon the transition energy and the weak … Show more
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