Commissioning the FAst TIMing array (FATIMA) at FAIR Phase-0: Half-lives of excited states in the N=50 isotones 96Pd and 94Ru

Commissioning the FAst TIMing array (FATIMA) at FAIR Phase-0 : Half-lives of excited states in the N=50 isotones 96Pd and 94Ru

Jazrawi, S. (författare): Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England.;Natl Phys Lab, Teddington TW11 0LW3, Middx, England.

Regan, P. H. (författare): Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England.;Natl Phys Lab, Teddington TW11 0LW3, Middx, England.

Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England;Natl Phys Lab, Teddington TW11 0LW3, Middx, England. Kärnfysik (creator_code:org_t)

Elsevier BV, 2022
2022
Engelska.
Ingår i: Radiation Physics and Chemistry. - : Elsevier BV. - 0969-806X .- 1879-0895. ; 200

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Abstract Ämnesord

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This paper reports results of the first experiment of the DESPEC Phase-0 campaign at GSI, which focused on the study of neutron-deficient nuclei approaching 100Sn. These data provide the first extended commissioning experiment for the DESPEC collaboration within NuSTAR. We present results on electromagnetic transition rates associated with the decays from excited states populated following the formation of I pi = 8+ proton 'seniority -isomer' states in the N = 50 isotones 94Ru and 96Pd. Direct half-life measurements via gamma-gamma coincidences using the FATIMA detector array consisting of 36 LaBr3(Ce) scintillators have determined the reduced matrix elements associated with decays between low-lying states in these semi-magic nuclei. The extracted half-lives for yrast I pi = 6+ and 4+ states in 96Pd and the 6+ state in 94Ru are consistent with the published, highest-precision values for these nuclei.

Av författaren/redakt...: Jazrawi, S.; Das, Biswarup; Regan, P. H.; Cederwall, Bo, 1 ...; Si, M.

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