Analogue symmetry breaking in superallowed fermi -decay
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The change in the Fermi matrix element due to deviations from perfect analogue symmetry has been estimated in a single-particle model with both harmonic oscillator and Saxon-Woods radial wave functions. A limitation of earlier calculations, in which the ground state of the A - 1 nucleus was taken as the unique parent, is removed to allow the whole spectrum of parent states to be operative. This improvement leads to slightly larger analogue symmetry breaking effects. 1977.
author list (cited authors)
Towner, I. S., Hardy, J. C., & Harvey, M.
complete list of authors
Towner, IS||Hardy, JC||Harvey, M