Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/4517
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dc.contributor.authorJones, E. F.-
dc.contributor.authorGore, P. M.-
dc.contributor.authorHamilton, J. H.-
dc.contributor.authorRamayya, A. V.-
dc.contributor.authorLima, A. P. de-
dc.contributor.authorDodder, R. S.-
dc.contributor.authorKormicki, J.-
dc.contributor.authorHwang, J. K.-
dc.contributor.authorBeyer, C. J.-
dc.contributor.authorZhang, X. Q.-
dc.contributor.authorZhu, S. J.-
dc.contributor.authorTer-Akopian, G. M.-
dc.contributor.authorOganessian, Yu. Ts.-
dc.contributor.authorDaniel, A. V.-
dc.contributor.authorRasmussen, J. O.-
dc.contributor.authorLee, I. Y.-
dc.contributor.authorCole, J. D.-
dc.contributor.authorDrigert, M. W.-
dc.contributor.authorMa, W.-C.-
dc.date.accessioned2008-09-01T11:08:27Z-
dc.date.available2008-09-01T11:08:27Z-
dc.date.issued2001en_US
dc.identifier.citationNuclear Physics A. 682:1-4 (2001) 79c-87cen_US
dc.identifier.urihttps://hdl.handle.net/10316/4517-
dc.description.abstractIdentification of the levels in 160Sm and 162Gd in spontaneous fission studies led to the discovery of a new phenomenon, shifted identical bands (SIB). SIBs are yrast bands in neighboring nuclei (a,b) with moments of inertia which are identical when shifted by a constant amount [kappa] = -[Delta]J1/J1, so J1a(1+[kappa])= J1b, from 2+ to 8+ and higher to 16+. Building on that work, an analysis of yrast bands in even-even proton to neutron rich Xe to Pb nuclei was carried out. In over 700 comparisons, fifty-five SIBs were found for ground bands in stable to the most neutron rich Ce - W nuclei with [kappa] between 1.5% and 13%, where the spread in [kappa] is less than ±1%, and only four identical bands ([kappa][approximate, equals]0). As examples, we find for 158Sm-160Gd (from 2+ to 10+), [kappa] = -3.2+0.1-0.2% (where the ± is the total spread in [kappa] from -3.1 to -3.4) and [Delta]J2/J2 = 3.0±1.2%; 158Sm-160Sm, 3.4+0.5-0.3%; and 154Nd-158Gd, -10.4±0.2%. After the shifts, these J1 and J2 values have smaller spreads than do the outstanding examples of identical bands. The J1 values were fitted to a variable moment of inertia model with parameters J0 and C whose values correlate with the SIB J1 values. The SIBs are not correlated either with deformation, E(4+)/E(2+), or the NpNn product. Some excited bands are SIBs and IBs in proton rich Pt-Pb where nuclear shape coexistence is important.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6TVB-42WPXP1-F/1/7073267d6d2727e1d168eeb83da1550den_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleA new phenomenon: shifted identical yrast bands in neighboring even-even nucleien_US
dc.typearticleen_US
dc.identifier.doi10.1016/S0375-9474(00)00625-4-
item.openairetypearticle-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.fulltextCom Texto completo-
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
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