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De-excitation of the strongly coupled band in $^{177}$Au and implications for core intruder configurations in the light Hg isotopes

dc.contributor.authorVENHART, M.
dc.contributor.authorALI, F.A.
dc.contributor.authorRYSSENS, W.
dc.contributor.authorWOOD, J.L.
dc.contributor.authorJOSS, D.T.
dc.contributor.authorANDREYEV, A.N.
dc.contributor.authorAURANEN, K.
hal.structure.identifierCommissariat à l'énergie atomique et aux énergies alternatives [CEA]
dc.contributor.authorBALLY, B.
dc.contributor.authorBALOGH, M.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
hal.structure.identifierInstitut de Physique Nucléaire de Lyon [IPNL]
dc.contributor.authorBENDER, M.
dc.contributor.authorCARROLL, R.J.
dc.contributor.authorEASTON, J.L.
dc.contributor.authorGREENLEES, P.T.
dc.contributor.authorGRAHN, T.
dc.contributor.authorHEENEN, P.H.
dc.contributor.authorHERZÁŇ, A.
dc.contributor.authorJAKOBSSON, U.
dc.contributor.authorJULIN, R.
dc.contributor.authorJUUTINEN, S.
dc.contributor.authorKĹČ, D.
dc.contributor.authorKONKI, J.
dc.contributor.authorLAWRIE, E.
dc.contributor.authorLEINO, M.
dc.contributor.authorMATOUŠEK, V.
dc.contributor.authorMCPEAKE, C.G.
dc.contributor.authorO'DONNELL, D.
dc.contributor.authorPAGE, R.D.
dc.contributor.authorPAKARINEN, J.
dc.contributor.authorPARTANEN, J.
dc.contributor.authorPEURA, P.
dc.contributor.authorRAHKILA, P.
dc.contributor.authorRUOTSALAINEN, P.
dc.contributor.authorSANDZELIUS, M.
dc.contributor.authorSARÉN, J.
dc.contributor.authorSAYĞI, B.
dc.contributor.authorSEDLÁK, M.
dc.contributor.authorSCHOLEY, C.
dc.contributor.authorSORRI, J.
dc.contributor.authorSTOLZE, S.
dc.contributor.authorTHORNTHWAITE, A.
dc.contributor.authorUUSITALO, J.
dc.contributor.authorVESELSKÝ, M.
dc.date.issued2017
dc.description.abstractEnExcited states in the proton-unbound nuclide $^{177}$Au were populated in the $^92}$Mo($^{88}$Sr, p2n) reaction and identified using the Jurogam-II and GREAT spectrometers in conjunction with the RITU gas-filled separator at the University of Jyväskylä Accelerator Laboratory. A strongly coupled band and its decay path to the 11/2−α-decaying isomer have been identified using recoil-decay tagging. Comparisons with cranked Hartree-Fock-Bogoliubov (HFB) calculations based on Skyrme energy functionals suggest that the band has a prolate deformation and is based upon coupling the odd 1h11/2 proton hole to the excited 02+ configuration in the $^{178}$Hg core. Although these configurations might be expected to follow the parabolic trend of core Hg(02+) states as a function of neutron number, the electromagnetic decay paths from the strongly coupled band in $^{177}$Au are markedly different from those observed in the heavier isotopes above the midshell. This indicates that a significant change in the structure of the underlying A+1Hg core occurs below the neutron midshell.
dc.language.isoen
dc.title.enDe-excitation of the strongly coupled band in $^{177}$Au and implications for core intruder configurations in the light Hg isotopes
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.95.061302
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhys.Rev.C
bordeaux.page061302
bordeaux.volume95
bordeaux.issue6
bordeaux.peerReviewedoui
hal.identifierhal-01554898
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01554898v1
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