Phys.Rev. C 97, 044324 (2018)

X.F.Yang, Y.Tsunoda, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, C.Gorges, L.K.Grob, H.Heylen, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Sanchez, C.Wraith, L.Xie, D.T.Yordanov

Investigating the large deformation of the 5/2⁺ isomeric state in ⁷³Zn: An indicator for triaxiality

NUCLEAR MOMENTS ^73,73mZn; measured hyperfine structure spectra using collinear laser spectroscopy (COLLAPS) at CERN-ISOLDE; deduced spins of ground state and isomer, estimated half-life of the isomer, and found no evidence for a previously proposed 5.6-s isomer. ^73,73mZn produced by impinging UC_x target by 1.4 GeV protons, and ionized by the resonant ionization laser-ion source (RILIS). ^{69m,71m,73m,75,77,79}Zn; calculated quadrupole moments of ground states and isomers using shell model with JUN45 and A3DA-m interactions, and compared with experimental results from experiments at ISOLDE-CERN. Discussed collectivity in ⁷³Zn.

NUCLEAR STRUCTURE ^{71,72,73,74,75}Zn; calculated potential energy surfaces (PES) of high-spin states in ^71,73,75Zn, and 0+, 2+, and 4+ states in ^72,74Zn in (Q₂, Q₄) plane using Monte Carlo shell model (MCSM). ⁷³Zn; calculated levels, J, π, T plots of levels in ⁷³Zn, and compared with experimental data.

doi: 10.1103/PhysRevC.97.044324