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Título:	Low-lying structure and shape evolution in neutron-rich Se isotopes
Autor:	Chen, S.; Doornenbal, P.; Obertelli, A.; Rodríguez, T. R.; Jungclaus, Andrea CSIC ORCID; Lee, J.; Lettmann, M.; Vaquero, Victor CSIC ORCID
Fecha de publicación:	27-abr-2017
Editor:	American Physical Society
Citación:	Physical Review C 95: 041302(R) (2017)
Resumen:	Neutron-rich Se88,90,92,94 isotopes were studied via in-beam γ-ray spectroscopy after nucleon removal reactions at intermediate energies at the Radioactive Isotope Beam Factory. Based on γ-γ coincidence analysis, low-lying excitation level schemes are proposed for these nuclei, including the 21+, 41+ states and 22+ states at remarkably low energies. The low-lying 22+ states, along with other features, indicate triaxiality in these nuclei. The experimental results are in good overall agreement with self-consistent beyond-mean-field calculations based on the Gogny D1S interaction, which suggests both triaxial degree of freedom and shape coexistence playing important roles in the description of intrinsic deformations in neutron-rich Se isotopes.
Descripción:	S. Chen et al. -- 6 pags., 4 figs.
Versión del editor:	https://doi.org/10.1103/PhysRevC.95.041302
URI:	http://hdl.handle.net/10261/161567
DOI:	10.1103/PhysRevC.95.041302
Identificadores:	doi: 10.1103/PhysRevC.95.041302 issn: 2469-9993
Aparece en las colecciones:	(CFMAC-IEM) Artículos

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Low-lying structure and shape evolution in neutron-rich Se isotopes