References quoted in the XUNDL dataset: 140SM 124TE(20NE,4NG):RDDS:XUNDL-1

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2015BE25

Phys.Rev. C 92, 024317 (2015)

F.L.Bello Garrote, A.Gorgen, J.Mierzejewski, C.Mihai, J.P.Delaroche, M.Girod, J.Libert, E.Sahin, J.Srebrny, T.Abraham, T.K.Eriksen, F.Giacoppo, T.W.Hagen, M.Kisielinski, M.Klintefjord, M.Komorowska, M.Kowalczyk, A.C.Larsen, T.Marchlewski, I.O.Mitu, S.Pascu, S.Siem, A.Stolarz, T.G.Tornyi

Lifetime measurement for the 2⁺₁ state in ¹⁴⁰Sm and the onset of collectivity in neutron-deficient Sm isotopes

NUCLEAR REACTIONS ¹²⁴Te(²⁰Ne, 4n), E=82 MeV; measured Eγ, Iγ, γγ-coin, lifetime of the first 2+ state by recoil-distance Doppler shift technique using Koln-Bucharest Plunger device coupled to the EAGLE spectrometer at Heavy Ion Laboratory of the University of Warsaw. ¹⁴⁰Sm; deduced levels, B(E2). Systematics of energies and B(E2) of first 2+ states, and E(4+)/E(2+) in ^{134,136,138,140,142,144,146,148,150,152,154}Sm. ¹⁴¹Sm, ¹⁹⁷Au; observed γ. Fit of B(E2) and E(2+) with modified Grodzins formula. Comparison with calculations based on a mapped collective Hamiltonian in five quadrupole coordinates (5DCH) and the Gogny D1S interaction.

doi: 10.1103/PhysRevC.92.024317