First observation of rotational bands in the nucleus 231U

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dc.contributor.authorRoux D.G.
dc.contributor.authorLawrie E.A.
dc.contributor.authorKheswa B.V.
dc.contributor.authorKhumalo N.A
dc.contributor.authorNoncolela S.P.
dc.contributor.authorNdayishimye J.
dc.contributor.authorSharpey-Schafer J.F.
dc.date.accessioned2025-10-29T09:53:59Z
dc.date.available2025-10-29T09:53:59Z
dc.date.issued2024
dc.description.abstractThis work reports the first rotational bands observed in the neutron-deficient nucleus 231U. Excited states were populated in the 232Th(α,5n) reaction at a beam energy of 52 mev. Coincident decay γ-rays were measured with the high-purity germanium detectors of the afrodite spectrometer array, in conjunction with a recoil detector to discriminate against the fission background. The bands are interpreted as the ground-state band ν[633]5/2+, yrast band ν[752]5/2-, and an excited band ν[631]3/2+. Configuration assignments are supported by Cranked Shell Model and B(M1)/B(E2) calculations. The excitation energy of the ν[752]5/2- bandhead is suggested to be 113.0 kev. © The Author(s) 2024.
dc.identifier.citationRoux, D.G., Bark, R.A., Lawrie, E.A., Lawrie, J.J., Ntshangase, S.S., Dinoko, T.S., Easton, J.L., Jones, P., Kheswa, B.V., Khumalo, N.A. and Majola, S.N.T., 2024. First observation of rotational bands in the nucleus 231 U. The European Physical Journal A, 60(5), p.118.
dc.identifier.urihttps://doi.org/10.1140/epja/s10050-024-01337-z
dc.identifier.urihttps://hdl.handle.net/10566/21218
dc.language.isoen
dc.publisherSpringer
dc.subjectExcited states
dc.subjectGamma rays
dc.subjectBeam energies
dc.subjectConfiguration assignment
dc.subjectnucleus 231U
dc.titleFirst observation of rotational bands in the nucleus 231U
dc.typeArticle

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