Consequences of isospin mixing for compound nucleus reactions

1 November 1977

journal article
research article
Published by American Physical Society (APS) in Physical Review C

Vol. 16 (5) , 1774-1781
https://doi.org/10.1103/physrevc.16.1774

Abstract

Consequences of isospin mixing are explored for compound nucleus reactions and statistical cross section fluctuations. This is done in the framework of a theory of transport phenomena. Formulas differing from previously published results are given for average compound nucleus cross sections, and for the correlation function of cross section fluctuations. The extraction of isospin mixing from evaporation spectra is discussed. It is pointed out that external mixing, which so far has been considered only in the theory of isobaric analog resonances, may dominate internal or bound-state mixing. Hence, Coulomb matrix elements deduced from highly excited compound nuclei only represent upper limits.

Keywords

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