Search for intrinsic collective excitations in Sm152

W. D. Kulp, J. L. Wood, P. E. Garrett, C. Y. Wu, D. Cline, J. M. Allmond, D. Bandyopadhyay, D. Dashdorj, S. N. Choudry, A. B. Hayes, H. Hua, M. G. Mynk, M. T. McEllistrem, C. J. McKay, J. N. Orce, R. Teng, S. W. Yates

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

The 685 keV excitation energy of the first excited 0+ state in Sm152 makes it an attractive candidate to explore expected two-phonon excitations at low energy. Multiple-step Coulomb excitation and inelastic neutron scattering studies of Sm152 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 Kπ=0+quadrupole vibrational states are found. A 2+,K=2 state with strong E2 decay to the first excited Kπ=0+ band and a probable 3+ band member are established.

Original languageEnglish
Article number061301
JournalPhysical Review C - Nuclear Physics
Volume77
Issue number6
DOIs
StatePublished - Jun 6 2008

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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