Spectroscopic study of 97 Mo, 99 Mo, and 101 Mo

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dc.contributor.authorKumar, V.
dc.contributor.authorChapman, R.
dc.contributor.authorOllier, J.
dc.contributor.authorOrlandi, R.
dc.contributor.authorSmith, J. F.
dc.contributor.authorSpohr, K. -m.
dc.contributor.authorTorres, D. A.
dc.date.accessioned2025-03-17T12:25:43Z
dc.date.available2025-03-17T12:25:43Z
dc.date.issued2024
dc.departmentTarsus Üniversitesi
dc.description.abstractExcited states of the molybdenum isotopes 97,99,101 42 Mo have been populated in two experiments which used fusion-fission and binary grazing reactions to populate yrast states of the nuclei of interest. In the first experiment, the GASP array of escape-suppressed Ge detectors was used to detect gamma rays from fusion-fission products initiated by the interaction of a 230-MeV beam of 36S ions with a thick target of 176Yb. In the multinucleon transfer experiment, a 530-MeV beam of 96Zr ions was incident on a thin 124Sn target; projectile-like ejectiles were detected and identified using the PRISMA magnetic spectrometer and their associated gamma rays were detected using the CLARA array of escape-suppressed Ge detectors. In 99Mo, the previously known positive-parity vd5/2 decay sequence was extended to spin (25/2+) while, in 101Mo, a similar, but hitherto unobserved vg7/2 positive-parity decay sequence was established to spin (27/2+). In 99Mo and in 101Mo, previously observed vh11/2 negative-parity decay sequences were also observed to spin 27/2-. Although the observed decay sequences in 97Mo have not been extended beyond the results of earlier work, a disagreement in the published level structure of the h11/2 band has been resolved. The observed positive-parity decay sequences have been compared with the results of state-of-the-art shell-model calculations; the general features of the energy spectrum of excited states of 97Mo, 99Mo, and 101Mo are reproduced, but not in detail. The experimental energies of the negative-parity states of 99Mo and 101Mo are reasonably well reproduced in particle-rotor (PRM) calculations. For 97Mo, better agreement with the high-spin states was obtained when the core in the PRM calculations was treated in a variable moment of inertia approach. For the vh11/2 negative-parity decay sequences of the three isotopes studied here, model-dependent evidence is presented for nuclear shape changes with increasing neutron number.
dc.description.sponsorshipUK Science and Technology Facilities Council (STFC) [ST/L005808/1, ST/P005101/1, PN 23 21 01 05]; Romanian Ministry of Research, Innovation, and Digitalization; IOSIN funds for research infrastructures of Romanian national interest
dc.description.sponsorshipDiscussions with Prof. Ingemar Ragnarsson are grate-fully acknowledged. This work was supported by the UK Science and Technology Facilities Council (STFC) under Grants No. ST/L005808/1 (UWS) , No. ST/P005101/1 (UWS) , and No. ST/V001116/1 (Manchester) . In addi-tion, the work was supported by the PN 23 21 01 05 contract sponsored by the Romanian Ministry of Research, Innovation, and Digitalization and by the IOSIN funds for research infrastructures of Romanian national interest. Finally, the contribution of the accelerator and target-fabrication staff at the National Institute for Nuclear Physics (INFN) Legnaro National Laboratory is gratefully acknowledged.
dc.identifier.doi10.1103/PhysRevC.110.044308
dc.identifier.issn2469-9985
dc.identifier.issn2469-9993
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85206467202
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1103/PhysRevC.110.044308
dc.identifier.urihttps://hdl.handle.net/20.500.13099/1821
dc.identifier.volume110
dc.identifier.wosWOS:001333631900004
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review C
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250316
dc.subjectNuclear-Data Sheets
dc.subjectGround-State
dc.subjectShell-Model
dc.subjectSpin States
dc.subjectHalf-Life
dc.subjectMo-97
dc.subjectDeformation
dc.subjectDetector
dc.subjectBand
dc.subjectIsotopes
dc.titleSpectroscopic study of 97 Mo, 99 Mo, and 101 Mo
dc.typeArticle

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