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Shape Coexistence and Mixing in 152Sm

Year: 2007
Type: preprint
Abstract: Experimental studies of 152Sm using multiple-step Coulomb excitation and inelastic neutron scattering provide key data that clarify the low-energy collective structure of this nucleus. No candidates for two-phonon beta-vibrational states are found. Experimental level energies of the ground-state and first excited (0+ state) rotational bands, electric monopole transition rates, reduced quadrupole transition rates, and the isomer shift of the first excited 2+ state are all described within ~10% precision using two-band mixing calculations. The basic collective structure of 152Sm is described using strong mixing of near-degenerate coexisting quasi-rotational bands with different deformations.
DOI: 10.48550/arxiv.0706.4129
Authors: Kulp, W. D., Wood, J. L., Garrett, P. E., Wu, C. Y., Cline, D., Allmond, J. M., Bandyopadhyay, D., Dashdorj, D., Choudry, S. N., Hayes, A. B., Hua, H., Lesher, S. R., Mynk, M., McEllistrem, M. T., McKay, C. J., Orce, J. N., Teng, R., Yates, S. W.
Language: English
Open Access status: green
OpenAlex ID: W1816970952
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Cited by: 4
Related to: 10