Phys.Rev. C 106, 024306 (2022)

F.Minato, Z.Niu, H.Liang

Calculation of β-decay half-lives within a Skyrme-Hartree-Fock-Bogoliubov energy density functional with the proton-neutron quasiparticle random-phase approximation and isoscalar pairing strengths optimized by a Bayesian method

RADIOACTIVITY ^{87,88,89,90,91,92,93,94,95,96,97,98,99,100}Kr, ^{88,89,90,91,92,93,94,95,96,97,98,99,100,101}Rb, ^{101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137}Mo, ^{102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138}Tc(β^-); ^{113,115,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143}Cd, ^{116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144}In(β^-); ^{155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192}Sm, ^{156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193}Eu(β^-); Z=8-110(β^-); A=20-368(β^-); calculated β^--decay T_1/2, partial T_1/2 for Gamow-Teller decays, Q values, isoscalar spin-triplet strength for neutron-rich nuclei using proton-neutron quasiparticle random-phase approximation (pnQRPA), proton-neutron quasiparticle Tamm-Dancoff approximation (pnQTDA), with Skryme energy density functional, and Bayesian neural network (BNN), the last for isoscalar spin-triplet strength. Calculated T_1/2, Q values, isoscalar spin-triplet strength for 5580 neutron-rich nuclei spanning Z=8-110, N=12-258 and A=20-368 are listed in Supplemental Material of the paper. Comparison with available experimental T_1/2 in NUBASE2016.

doi: 10.1103/PhysRevC.106.024306