Phys.Rev. C 89, 034318 (2014)

P.W.Luo, X.G.Wu, H.B.Sun, G.S.Li, C.Y.He, Y.Zheng, C.B.Li, S.P.Hu, Y.H.Wu, H.W.Li, J.J.Liu, J.L.Wang, S.H.Yao, S.A.Edwards

High-spin level structure of the semi-magic nucleus ⁹¹Nb

NUCLEAR REACTIONS ⁸²Se(¹⁴N, 5n), E=60 MeV; measured Eγ, Iγ, γγ-coin, γ(θ)(ADO) at CIAE HI-13 tandem accelerator. ⁹¹Nb; deduced high-spin levels, J, π, multipolarity, configurations. Comparison with large-basis shell model calculations.

NUCLEAR STRUCTURE ⁹¹Nb; calculated levels, J, π, configurations, wave function, seniority, partitions using large-basis shell-model (SM-I and SM-II). Comparison with experimental data. Importance of neutron particle-hole excitation across the N=50 shell gap.

doi: 10.1103/PhysRevC.89.034318