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Persistence of K Isomerism in the N = 104 Isotones: Observations of a High-seniority Isomer 179 75 Re

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dc.contributor.authorThwaites, C.
dc.contributor.authorWheldon, C
dc.contributor.authorBruce, A M
dc.contributor.authorWalker, Philip M
dc.contributor.authorDracoulis, George
dc.contributor.authorByrne, Aidan
dc.contributor.authorKibedi, Tibor
dc.contributor.authorKondev, F.
dc.contributor.authorPearson, C J
dc.contributor.authorPurry, C
dc.date.accessioned2015-12-13T22:25:14Z
dc.date.available2015-12-13T22:25:14Z
dc.date.issued2002
dc.date.updated2015-12-11T08:13:55Z
dc.description.abstractThe nuclear decay of 75179Re has been studied following the 165Ho(18O,4n)179Re and 173Yb(11B,5n)179Re reactions. Previously unobserved multiquasiparticle states have been identified in 75179Re, with highly K-forbidden decays. One of these, with a half-life of 466±15 μs, is the longest-lived high-seniority (>6) isomer yet discovered. This metastable state offers an opportunity to explore K isomerism as protons are added away from the midshell region. In addition, the excitation energies of several previously "floating" bands have been determined. Energies, lifetimes, configuration assignments, and g factors are discussed and compared to predictions of blocked BCS calculations.
dc.identifier.issn0556-2813
dc.identifier.urihttp://hdl.handle.net/1885/73136
dc.publisherAmerican Physical Society
dc.sourcePhysical Review C: Nuclear Physics
dc.titlePersistence of K Isomerism in the N = 104 Isotones: Observations of a High-seniority Isomer 179 75 Re
dc.typeJournal article
local.bibliographicCitation.startpage054309-1-22
local.contributor.affiliationThwaites, C., University of Brighton
local.contributor.affiliationWheldon, C, University of Surrey
local.contributor.affiliationBruce, A M, University of Brighton
local.contributor.affiliationWalker, Philip M, University of Surrey
local.contributor.affiliationDracoulis, George, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationByrne, Aidan, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationKibedi, Tibor, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationKondev, F., College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationPearson, C J, University of Surrey
local.contributor.affiliationPurry, C, University of Surrey
local.contributor.authoruidDracoulis, George, u7300953
local.contributor.authoruidByrne, Aidan, u8900906
local.contributor.authoruidKibedi, Tibor, u8800308
local.contributor.authoruidKondev, F., u3802295
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor020202 - Nuclear Physics
local.identifier.ariespublicationMigratedxPub3570
local.identifier.citationvolume66
local.identifier.scopusID2-s2.0-0036876116
local.type.statusPublished Version

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