Shape Isomerism at N = 40: Discovery of a Proton Intruder in 67Co

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dc.creatorPauwels, D.
dc.creatorIvanov, O.
dc.creatorBuscher, J.
dc.creatorCocolios, T. E.
dc.creatorGentens, J.
dc.creatorHuyse, M.
dc.creatorKorgul, A.
dc.creatorKudryavtsev, Yu.
dc.creatorRaabe, R.
dc.creatorSawicka, M.
dc.creatorStefanescu, I.
dc.creatorVan de Walle, J.
dc.creatorBergh, P. Van den
dc.creatorVan Duppen, P.
dc.creatorWalters, W. B.
dc.date2008-07-16
dc.date.accessioned2026-07-07T11:44:51Z
dc.date.available2026-07-07T11:44:51Z
dc.descriptionThe nuclear structure of 67Co has been investigated through 67Fe beta-decay. The 67Fe isotopes were produced at the LISOL facility in proton-induced fission of 238U and selected using resonant laser ionization combined with mass separation. The application of a new correlation technique unambiguously revealed a 496(33) ms isomeric state in 67Co at an unexpected low energy of 492 keV. A 67Co level scheme has been deduced. Proposed spin and parities suggest a spherical (7/2-) 67Co ground state and a deformed first excited (1/2-) state at 492 keV, interpreted as a proton 1p-2h prolate intruder state.
dc.description4 pages, 5 figures, preprint submitted to Physical Review Letters
dc.identifierhttps://arxiv.org/abs/0807.2595
dc.identifierhttp://arxiv.org/abs/0807.2595
dc.identifierPhys.Rev.C78:041307,2008
dc.identifierdoi:10.1103/PhysRevC.78.041307
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201698
dc.subjectNuclear Experiment
dc.titleShape Isomerism at N = 40: Discovery of a Proton Intruder in 67Co
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