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Coexistence of triaxial and prolate shapes in 171Ir

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dc.contributor.authorBark, R A
dc.contributor.authorTormanen, S
dc.contributor.authorBack, T.
dc.contributor.authorCederwall, B.
dc.contributor.authorOdegard, S W
dc.contributor.authorCocks, J F C
dc.contributor.authorHelariutta, K
dc.contributor.authorJones, Peter G
dc.contributor.authorJulin, Rauno Juhani
dc.contributor.authorJuutinen, S
dc.contributor.authorKankaanpaa, H
dc.contributor.authorKettunen, H
dc.contributor.authorKuwano, Michihiko
dc.contributor.authorLeino, M
dc.contributor.authorMuikku, M
dc.contributor.authorRahkila, P
dc.contributor.authorSavelius, A
dc.contributor.authorBergstrom, M
dc.contributor.authorIngebretsen, F
dc.contributor.authorMaj, A
dc.contributor.authorMattiuzzi, M
dc.contributor.authorMuller, W J
dc.contributor.authorRiedinger, L L
dc.contributor.authorTjom, P O
dc.date.accessioned2015-12-13T23:34:20Z
dc.date.issued1999
dc.date.updated2015-12-12T09:35:38Z
dc.description.abstractExcited states in 171Ir have been observed for the first time. Gamma-rays were assigned to the nucleus by the recoil-decay tagging method. The ground-state band has a structure consistent with an h11/2 proton coupled to a core of large triaxial deformation. At high spins, a bandcrossing occurs which is interpreted as a change in shape to a prolate deformation. Band-mixing calculations are performed for 171-175Ir. These show that shape-coexistence between triaxial and prolate states in these nuclei follows the same systematics found in their Pt and Os neighbours. The systematics are also compared with deformations calculated for 171-179Ir using the code "Ultimate Cranker". Dipole bands were also observed, but tilted axis cranking calculations suggest that they are associated with a collective rotation.
dc.identifier.issn0375-9474
dc.identifier.urihttp://hdl.handle.net/1885/93414
dc.publisherElsevier
dc.sourceNuclear Physics A
dc.subjectKeywords: Nuclear reactions 116Sn(58Ni,p2n), E = 260,267 MeV
dc.titleCoexistence of triaxial and prolate shapes in 171Ir
dc.typeJournal article
local.bibliographicCitation.lastpage133
local.bibliographicCitation.startpage113
local.contributor.affiliationBark, R A, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationTormanen, S, University of Copenhagen
local.contributor.affiliationBack, T., Royal Institute of Technology
local.contributor.affiliationCederwall, B., Royal Institute of Technology
local.contributor.affiliationOdegard, S W, University of Copenhagen
local.contributor.affiliationCocks, J F C, University of Liverpool
local.contributor.affiliationHelariutta, K, University of Helsinki
local.contributor.affiliationJones, Peter G, QLD Department of Primary Industries and Fisheries
local.contributor.affiliationJulin, Rauno Juhani, University of Jyvaskyla
local.contributor.affiliationJuutinen, S, University of Jyvaskyla
local.contributor.affiliationKankaanpaa, H, University of Jyvaskyla
local.contributor.affiliationKettunen, H, University of Jyvaskyla
local.contributor.affiliationKuwano, Michihiko, Kyushu University
local.contributor.affiliationLeino, M, University of Jyvaskyla
local.contributor.affiliationMuikku, M, University of Jyvaskyla
local.contributor.affiliationRahkila, P, University of Jyvaskyla
local.contributor.affiliationSavelius, A, University of Jyvaskyla
local.contributor.affiliationBergstrom, M, University of Copenhagen
local.contributor.affiliationIngebretsen, F, University of Copenhagen
local.contributor.affiliationMaj, A, Niewodniczanski Institute of Nuclear Physics
local.contributor.affiliationMattiuzzi, M, Universita di Milano
local.contributor.affiliationMuller, W J, CSIRO Mathematical and Information Sciences
local.contributor.affiliationRiedinger, L L, University of Tennessee
local.contributor.affiliationTjom, P O, University of Oslo
local.contributor.authoruidBark, R A, u8306134
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor020204 - Plasma Physics; Fusion Plasmas; Electrical Discharges
local.identifier.ariespublicationMigratedxPub24757
local.identifier.citationvolumeA 657
local.identifier.scopusID2-s2.0-0033588767
local.type.statusPublished Version

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