Abstract
The energy distributions of the Gamow-Teller (GT) strength are studied for even-even Xe isotopes with mass numbers from 124 to 142. A self-consistent microscopic formalism is used to generate the single-particle basis, using a deformed Skyrme Hartree-Fock mean field with pairing correlations in the BCS approximation. The GT transitions are obtained within a quasiparticle random phase approximation approach using a residual spin-isospin interaction in the particle-hole (ph) and particle-particle (pp) channels. We then discuss the pairing BCS treatment and the determination of the ph and pp residual interaction coupling constants. We study the GT${}^{+}$ and GT${}^{\ensuremath{-}}$ strength distributions for the equilibrium nuclear shapes, which comprise essential information for studies of charge-exchange reactions and double-\ensuremath{\beta} processes involving these isotopes.
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