Search for Intrinsic Excitations in 152Sm

Details Search for Intrinsic Excitations in 152Sm Search for Intrinsic Excitations in 152Sm

2008-05-13

arxiv.org/abs/0805.1912v1

Phys.Rev.C77:061301,2008

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 6 figures, accepted for publication as a Rapid Communication in Physical Review C

Scientific paper

10.1103/PhysRevC.77.061301

The 685 keV excitation energy of the first excited 0+ state in 152Sm makes it an attractive candidate to explore expected two-phonon excitations at low energy. Multiple-step Coulomb excitation and inelastic neutron scattering studies of 152Sm are used to probe the E2 collectivity of excited 0+ states in this "soft" nucleus and the results are compared with model predictions. No candidates for two-phonon K=0+ quadrupole vibrational states are found. A 2+, K=2 state with strong E2 decay to the first excited K=0+ band and a probable 3+ band member are established.

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