Lifetime measurements to investigate γ softness and shape coexistence in Mo102
EntityUAM. Departamento de Física Teórica
PublisherAmerican Physical Society
10.1103/PhysRevC.104.064314Physical Review C 104.6 (2021): 064314
ISSN2469-9985 (print); 2469-9993 (online)
ProjectGobierno de España. PGC2018-094583-B-I00
SubjectsYrast State; Even-even Nuclei; Coexistence; Física
Rights© 2021 American Physical Society
Lifetimes of low-spin excited states in Mo102 populated in a Mo100(O18,O16)Mo102 two-neutron transfer reaction were measured using the recoil-distance Doppler-shift technique at the Cologne FN Tandem accelerator. Lifetimes of the 21+, 41+, 61+, 02+, 2γ+, 3γ+ states and one upper limit for the lifetime of the 4γ+ state were obtained. The energy levels and deduced electromagnetic transition probabilities are compared with those obtained within the mapped interacting boson model framework with microscopic input from Gogny mean-field calculations. With the newly obtained signatures a more detailed insight in the γ softness and shape coexistence in Mo102 is possible and discussed in the context of the Z≈40 and N≈60 region. The nucleus of Mo102 follows the γ soft trend of the Mo isotopes. The properties of the 02+ state indicate, in contrast with the microscopic predictions, shape coexistence which also occurs in other N=60 isotones
Google Scholar:Esmaylzadeh, A. - Karayonchev, V. - Nomura, K. - Jolie, J. - Beckers, M. - Blazhev, A. - Dewald, A. - Fransen, C. - Gerst, R. B. - Häfner, G. - Harter, A. - Knafla, L. - Ley, M. - Robledo Martín, Luis Miguel - Rodríguez-Guzmán, R. - Rudigier, M.
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