Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1995-07-06
Phys.Lett.B363:157-161,1995
Physics
Nuclear Physics
Nuclear Theory
11 pages with 1 figure and 1 table
Scientific paper
10.1016/0370-2693(95)01204-4
There is a well known anomaly between the value of the Fermi decay constant extracted from super-allowed Fermi beta-decay of nuclear isotriplets and that required by unitarity of the Cabibbo-Kobayashi-Maskawa matrix. This discrepancy remains at the level of a few tenths of a percent after the most rigorous investigation of conventional nuclear and radiative corrections. Within the framework of the quark-meson coupling model of nuclear matter, which has been previously applied successfully to phenomena such as nuclear saturation and nuclear charge symmetry violation, we show that it is possible to understand a significant fraction of the observed anomaly.
Saito Koichi
Thomas Anthony W.
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