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Commissioning the FAst TIMing array (FATIMA) at FAIR Phase-0: Half-lives of excited states in the N=50 isotones 96Pd and 94Ru
Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England.;Natl Phys Lab, Teddington TW11 0LW3, Middx, England..
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Physics.ORCID iD: 0000-0002-6133-9820
Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England.;Natl Phys Lab, Teddington TW11 0LW3, Middx, England..
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Physics.ORCID iD: 0000-0003-1771-2656
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2022 (English)In: Radiation Physics and Chemistry, ISSN 0969-806X, E-ISSN 1879-0895, Vol. 200, article id 110234Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Elsevier BV , 2022. Vol. 200, article id 110234
Keywords [en]
Nuclear spectroscopy, LaBr3 detectors, Nuclear structure physics, Gamma-ray spectroscopy
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-321120DOI: 10.1016/j.radphyschem.2022.110234ISI: 000868290800002Scopus ID: 2-s2.0-85133389900OAI: oai:DiVA.org:kth-321120DiVA, id: diva2:1709290
Note

QC 20221108

Available from: 2022-11-08 Created: 2022-11-08 Last updated: 2022-11-08Bibliographically approved

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Das, BiswarupCederwall, Bo

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