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Published July 15, 1958 | public
Journal Article Open

Higher-order effects in the allowed beta decay of F20


It has been proposed by Gell-Mann(1) that the usual vector interaction in beta decay should be modified by addition of a small correction term due to the effect of virtual meson currents around the nucleons. This term in proportional to the difference of the anomalous magnetic moments of protons and neutrons and is of the order of 0.1% per Mev beta energy.

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©1958 The American Physical Society. Received 23 June 1958. Thanks are due to Professor M. Gell-Mann for many valuable discussions. One of us (V. S.) is indebted to the Kultusministerium of Baden-Wurttemberg, Germany, for a grant.


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