Phys.Rev. C 95, 014304 (2017)

P.Sarriguren

β-decay properties of neutron-rich rare-earth isotopes

NUCLEAR STRUCTURE ^{140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180}Xe, ^{142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182}Ba, ^{146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184}Ce, ^{152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186}Nd, ^{158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188}Sm, ^{162,164,166,168,170,172,174,176,178,180,182,184,186,188,190}Gd, ^{168,170,172,174,176,178,180,182,184,186,188,190,192}Dy; calculated quadrupole deformation β₂ from SLy4, energy curves that show the energy as a function of quadrupole deformation β₂ using constrained Hartree-Fock (HF) + BCS formalism.

RADIOACTIVITY ^{140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180}Xe, ^{142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182}Ba, ^{146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184}Ce, ^{152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186}Nd, ^{158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188}Sm, ^{162,164,166,168,170,172,174,176,178,180,182,184,186,188,190}Gd, ^{168,170,172,174,176,178,180,182,184,186,188,190,192}Dy(β^-), (β^-n); calculated Gamow-Teller strength distributions, β-decay half-lives, β-delayed neutron emission probabilities. Self-consistent deformed Skyrme-Hartree-Fock calculations with pairing and QRPA correlations. Comparison with other theoretical calculations, phenomenological model, and with available experimental data.

doi: 10.1103/PhysRevC.95.014304