Phys.Rev. C 91, 044309 (2015)

C.J.Chiara, D.Weisshaar, R.V.F.Janssens, Y.Tsunoda, T.Otsuka, J.L.Harker, W.B.Walters, F.Recchia, M.Albers, M.Alcorta, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, P.F.Bertone, C.M.Campbell, M.P.Carpenter, J.Chen, H.L.Crawford, H.M.David, D.T.Doherty, A.Gade, C.R.Hoffman, M.Honma, F.G.Kondev, A.Korichi, C.Langer, N.Larson, T.Lauritsen, S.N.Liddick, E.Lunderberg, A.O.Macchiavelli, S.Noji, C.Prokop, A.M.Rogers, D.Seweryniak, N.Shimizu, S.R.Stroberg, S.Suchyta, Y.Utsuno, S.J.Williams, K.Wimmer, S.Zhu

Identification of deformed intruder states in semi-magic ⁷⁰Ni

NUCLEAR REACTIONS ²⁰⁸Pb(⁷⁰Zn, X)⁷⁰Ni, E=440 MeV; measured Eγ, Iγ, prompt- and delayed-γ spectra, γγ-coin, γγ(θ) using Gammasphere array at ATLAS-ANL facility. ⁹Be(⁸²Se, X)⁷⁰Ni, E=140 MeV/nucleon; measured Eγ, Iγ, (⁷⁰Ni)γ-, γγ-coin, prompt and delayed γ rays using S800 spectrograph, GRETINA and CsI(Na) arrays at NSCL-MSU facility. ⁷⁰Ni; deduced levels, J, π. Comparison with Monte Carlo shell-model calculations.

NUCLEAR STRUCTURE ^68,70Ni, ⁹²Mo; calculated levels, J, π, potential-energy surface contours in (Q₂, Q₄) plane. Shell-model using jj44bpn, jj44pna, JUN45, and JUN45 effective interactions, and Monte Carlo shell-model with A3DA interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.044309