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Discovery of W-157 and Os-161

dc.contributor.authorBIANCO, L.
dc.contributor.authorPAGE, R.D.
dc.contributor.authorDARBY, I.G.
dc.contributor.authorJOSS, D.T.
dc.contributor.authorSIMPSON, J.
dc.contributor.authorAL-KHALILI, J.J.
dc.contributor.authorCANNON, A.J.
dc.contributor.authorCEDERWALL, B.
dc.contributor.authorEECKHAUDT, S.
dc.contributor.authorERTÜRK, S.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorGALL, B.
dc.contributor.authorHORNILLOS, M.B.G.
dc.contributor.authorGRAHN, T.
dc.contributor.authorGREENLEES, P.T.
dc.contributor.authorHADINIA, B.
dc.contributor.authorHEYDE, K.
dc.contributor.authorJAKOBSSON, U.
dc.contributor.authorJONES, P.M.
dc.contributor.authorJULIN, R.
dc.contributor.authorJUUTINEN, S.
dc.contributor.authorKETELHUT, S.
dc.contributor.authorLABICHE, M.
dc.contributor.authorLEINO, M.
dc.contributor.authorLEPPÄNEN, A.-P.
dc.contributor.authorNYMAN, M.
dc.contributor.authorO'DONNELL, D.
dc.contributor.authorPAUL, E.S.
dc.contributor.authorPETRI, M.
dc.contributor.authorPEURA, P.
dc.contributor.authorPUURUNEN, A.
dc.contributor.authorRAHKILA, P.
dc.contributor.authorRUOTSALAINEN, P.
dc.contributor.authorSANDZELIUS, M.
dc.contributor.authorSAPPLE, P.J.
dc.contributor.authorSARÉN, J.
dc.contributor.authorSCHOLEY, C.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorSMIRNOVA, N.
dc.contributor.authorSTEER, A.N.
dc.contributor.authorSTEVENSON, P.D.
dc.contributor.authorSUCKLING, E.B.
dc.contributor.authorTHOMSON, J.
dc.contributor.authorUUSITALO, J.
dc.contributor.authorVENHART, M.
dc.date.issued2010-06-07
dc.identifier.issn0370-2693
dc.description.abstractEnThe nuclides 157W and 161Os have been discovered in reactions of 58Ni ion beams with a 106Cd target. The 161Os α-decay energy and half-life were 6890±12 keV and 640±60 μs. The daughter 157W nuclei β-decayed with a half-life of 275±40 ms, populating both low-lying α-decaying states in 157Ta, which is consistent with a 7/2− ground state in 157W. Fine structure observed in the α decay of 161Os places the lowest excited state in 157W with Iπ=9/2− at 318±30 keV. The branching ratio of View the MathML source indicates that 161Os also has a 7/2− ground state. Shell-model calculations analysing the effects of monopole shifts and a tensor force on the relative energies of 2f7/2 and 1h9/2 neutron states in N=83 isotones are presented.
dc.language.isoen
dc.publisherElsevier
dc.subject.enNuclear reactions
dc.subject.en300
dc.subject.en310 MeV beam energy
dc.subject.engas-filled recoil separator
dc.subject.enSi detectors
dc.subject.enMeasured
dc.subject.enEα
dc.subject.ent1/2
dc.subject.enDeduced
dc.subject.enneutron single-particle configurations in 161Os
dc.subject.en157W
dc.subject.enShell model calculations
dc.subject.en58Ni
dc.subject.en106Cd at 290
dc.title.enDiscovery of W-157 and Os-161
dc.typeArticle de revue
dc.identifier.doi10.1016/j.physletb.2010.04.056
dc.subject.halPhysique [physics]/Physique Nucléaire Théorique [nucl-th]
bordeaux.journalPhysics Letters B
bordeaux.page15-18
bordeaux.volume690
bordeaux.peerReviewedoui
hal.identifierin2p3-00497513
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00497513v1
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