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In nuclear physics, a beta decay transition is the change in state of an atomic nucleus undergoing beta decay. (β-decay) When undergoing beta decay, a nucleus emits a beta particle and a corresponding neutrino, transforming the original nuclide into one with the same mass, but differing charge. (an isobar)
There are several types of beta decay transition. In a Fermi transition, the spins of the two emitted particles are anti-parallel, for a combined spin . As a result, the total angular momentum of the nucleus is unchanged by the transition. By contrast, in a Gamow-Teller transition, the spins of the two emitted particles are parallel, with total spin , leading to a change in angular momentum between the initial and final states of the nucleus.[1]
The theoretical work in describing these transitions was done between 1934 and 1936 by George Gamow and Edward Teller at George Washington University.
^Clayton, Donald D. (1983). Principles of stellar evolution and nucleosynthesis : with a new preface (University of Chicago Press ed.). Chicago: University of Chicago Press. p. 366-367. ISBN 0-226-10953-4.
and 23 Related for: Beta decay transition information
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