Phys.Rev. C 107, 054306 (2023)

J.Chen, M.Liu, C.Yuan, S.Chen, N.Shimizu, X.Sun, R.Xu, Y.Tian

Shell-model-based investigation on level density of Xe and Ba isotopes

NUCLEAR STRUCTURE ^{131,132,133,134}Sn, ^{132,133,134,135}Sb, ^{133,134,135,136}Te, ^{134,135,136,137}I, ^{135,136,137,138}Xe, ^{136,137,138,139}Cs, ^{137,138,139,140}Ba; calculated one-neutron separation energy S(n). ^132,133,134Sn, ^{132,133,134,135}Sb, ^134,135,136Te, ^135,136,137I, ^136,137,138Xe, ^137,138,139Cs, ^138,139,140Ba; calculated two-neutron separation energies S(2n). ^{134, ,136,138}Xe, ^{134,136,138,140}Ba, ^{128,129,130,134,135,136}Sn, ^131,135Sb, ^132,134,136Te, ^133,135,137I, ^135,137,139Cs, ¹³⁹La; calculated levels, J, π. ^{133,134,135,136,137}Xe, ^{134,135,136,137,138,139}Ba; calculated nuclear level densities (NLD), cumulative number of levels spin distributions. ¹³⁴Te, ¹³⁵I, ¹³⁶Xe, ¹³⁷Cs, ¹³⁸Ba, ¹³⁹La; calculated effective single particle energy for proton and neutron orbits with and without the consideration of tensor part in two-body matrix elements. ^{133,134,135,136,137}Xe; calculated spin distribution , parity ratios, spin cut-off parameter. Configuration-interaction shell model with a unified effective nuclear force. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.054306