Jazrawi, S; Yaneva, A; Poletini, M; Das, B; Regan, P H; Gorska, M; Cederwall, M; Jolie, J; Albers, H M; Chrishti, M M R; Banerjee, A; Hubbard, N; Mistry, A K; Rudigier, M; Benzoni, G; Gerl, J; Bruce, A M; Podolyak, Zs; Nara Singh, B S; Zhang, G X; Alhomaidhi, S; Appleton, C; Arici, T; Blazhev, A; Davinson, T; Esmaylzadeh, A; Fraile, L M; Hafner, G; Hall, O; John, P R; Karayonchev, V; Koujoharov, I; Kuvz, N; Mikolajczuk, M; Pietralla, N; Pietri, S; Regis, J M; Sahin, E; Sexton, L; Schaffner, H; Scheidenberger, C; Sharma, A; Vesic, J; Weick, H; Werner, V; Lozera, R; Si, M (2022) Commissioning the FAst TIMing array (FATIMA) at FAIR Phase-0: Half-lives of excited states in the N=50 isotones 96Pd and 94Ru. Radiation Physics and Chemistry, 200. 110234

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Abstract

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 Iπ = 8+ proton ‘seniorityisomer’
states in the N = 50 isotones 94Ru and 96Pd. Direct half-life measurements via γ- γ 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 Iπ
= 6+ and 4+ states in 96Pd and the 6+ state in 94Ru are consistent with the published, highest-precision values for
these nuclei.

Item Type:	Article
Subjects:	Ionising Radiation > Radioactivity
Divisions:	Medical, Marine & Nuclear
Identification number/DOI:	10.1016/j.radphyschem.2022.110234
Last Modified:	08 Nov 2023 15:15
URI:	https://eprintspublications.npl.co.uk/id/eprint/9854