β-DECAY HALF-LIVES AROUND ⁷⁸Ni AND ¹³²Sn IN A SELF-CONSISTENT APPROACH

β-decay half-lives around ⁷⁸Ni and ¹³²Sn are studied with proton-neutron Quasiparticle Random Phase Approximation on the basis of Skyrme-Hartree-Fock (SHF) method. We take into account tensor force correlation in calculating the ground and excited states and find it improves the half-life of ¹³²Sn. However, the Q value is still underestimated. We also discuss that half-lives do not strongly depend on type of particle-particle interaction in isospin T = 0 channel.