Effects of Tensor Interaction and Neutron--Proton Pairing on Beta-decay Characteristics of $^{130,132}$Cd

Abstract

The effects of the residual interaction in the particle-particle channel on β-decay characteristics and the multi-neutron emission probabilities in the β-decay of 130,132 Cd are studied within the quasiparticle random phase approximation with the Skyrme interaction. The coupling between oneand two-phonon terms in the wave functions of the low-energy 1 + states of the daughter nuclei is taken into account. It is shown that the inclusion of the spin-isospin interaction in the particle-particle channel leads to the reduction of half-lives and redistribution of one-and two-neutron emission probabilities. The competition of tensor interaction and neutronproton pairing contribution in β-decay characteristics of the neutron-rich Cd isotopes is discussed.