学術雑誌論文 Reinvestigation of the excited states in the proton emitter 151 Lu : Particle-hole excitations across the N = Z = 64 subshell

F.Wang  ,  B.H.Sun  ,  Z.Liu  ,  C.Qi  ,  L.H.Zhu  ,  C.Scholey  ,  S.F.Ashley  ,  L.Bianco  ,  I.J.Cullen  ,  I.G.Darby  ,  S.Eeckhaudt  ,  A.B.Garnsworhy  ,  W.Gelletly  ,  M.B.Gomez-Hornillos  ,  T.Grahn  ,  P.T.Greenlees  ,  D.G.Jenkins  ,  G.A.Jones  ,  P.Jones  ,  D.T.Joss  ,  R.Julin  ,  S.Juutinen  ,  S.Ketelhut  ,  S.Khan  ,  A.Kishada  ,  M.Leino  ,  M.Niikura  ,  M.Nyman  ,  R.D.Page  ,  J.Pakarinen  ,  S.Pietri  ,  Zs.Podolyàk  ,  P.Rahkila  ,  S.Rigby  ,  J.Sarén  ,  静間, 俊行  ,  J.Sorri  ,  S.Steer  ,  J.Thomson  ,  N.J.Thompson  ,  J.Uusitalo  ,  P.M.Walker

96pp.064307-1 - 064307-8 , 2017-12
内容記述
The excited states of the proton emitter 151Lu were reinvestigated in a recoil-decay tagging experiment at the Accelerator Laboratory of the University of Jyväskylä (JYFL). The level scheme built on the ground state of 151Lu was updated with five new γ-ray transitions. Large-scale shell model calculations were carried out in the model space consisting of the neutron and proton orbitals 0g7/2, 1d5/2, 1d3/2, 2s1/2, and 0h11/2 with the optimized monopole interaction in order to interpret the experimental level scheme of 151Lu. It is found that the excitation energies of states above the 27/2− and 23/2+ isomeric levels in 151Lu can be sensitive to excitations from g7/2 and d5/2 to single-particle orbitals above N=Z=64.

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