Among the most important physical observables in nuclear structure are the lifetimes of nuclear excited states. Nuclei of 114Pd, predicted by spectroscopic signatures to be candidates for γ-rigid triaxiality, were populated in the spontaneous fission of 252Cf and the lifetimes of the 2+ 1 , 4+ 1 and 6+ 1 states were measured via the fast-timing technique. The obtained lifetimes of τ2+ = 103(10) ps, τ4+ = 21(11) ps, and τ6+ ≤ 10 ps, and the corresponding deduced B(E2; I → I-2) transition probabilities, indicate these to be collective states and also suggest the triaxial shape of 114Pd to be more γ-rigid than its even-even neighbours in the Z = 46 isotopic chain.

Lifetime measurements of the 2₁+, 4₁+ and 6₁+ states in ¹¹⁴Pd [Lifetime measurements of the $2^{+}_{1}$, $4^{+}_{1}$ and $6^{+}_{1}$ states in $^{114}Pd$] [Lifetime measurements of the 2+1 , 4+1 and 6+1 states in 114Pd] / E.R. Gamba, G. Benzoni, A.M. Bruce, S. Lalkovski, M. Rudigier, S. Bottoni, M.P. Carpenter, S. Zhu. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - 44:2-3(2021), pp. 47.1-47.4. ((Intervento presentato al convegno SIF Congress tenutosi a (online) nel 2020 [10.1393/ncc/i2021-21047-0].

Lifetime measurements of the 2₁+, 4₁+ and 6₁+ states in ¹¹⁴Pd [Lifetime measurements of the $2^{+}_{1}$, $4^{+}_{1}$ and $6^{+}_{1}$ states in $^{114}Pd$] [Lifetime measurements of the 2+1 , 4+1 and 6+1 states in 114Pd]

E.R. Gamba;S. Bottoni;
2021

Abstract

Among the most important physical observables in nuclear structure are the lifetimes of nuclear excited states. Nuclei of 114Pd, predicted by spectroscopic signatures to be candidates for γ-rigid triaxiality, were populated in the spontaneous fission of 252Cf and the lifetimes of the 2+ 1 , 4+ 1 and 6+ 1 states were measured via the fast-timing technique. The obtained lifetimes of τ2+ = 103(10) ps, τ4+ = 21(11) ps, and τ6+ ≤ 10 ps, and the corresponding deduced B(E2; I → I-2) transition probabilities, indicate these to be collective states and also suggest the triaxial shape of 114Pd to be more γ-rigid than its even-even neighbours in the Z = 46 isotopic chain.
Settore FIS/04 - Fisica Nucleare e Subnucleare
Società Italiana di Fisica
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/884336
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