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dc.contributor.authorKurcewicz, W.-
dc.contributor.authorGrant, I. S.-
dc.contributor.authorGulda, K.-
dc.contributor.authorAas, A. J.-
dc.contributor.authorBillowes, J.-
dc.contributor.authorGarcía Borge, María José-
dc.contributor.authorBurke, D. G.-
dc.contributor.authorButler, P. A.-
dc.contributor.authorCocks, J. F. C.-
dc.contributor.authorFogelberg, B.-
dc.contributor.authorFreeman, S. J.-
dc.contributor.authorJones, G. D.-
dc.contributor.authorHagebø, E.-
dc.contributor.authorHoff, P.-
dc.contributor.authorHønsi, J.-
dc.contributor.authorLindroth, A.-
dc.contributor.authorLøvhøiden, G.-
dc.contributor.authorMach, H.-
dc.contributor.authorMartínez, T.-
dc.contributor.authorNaumann, R. A.-
dc.contributor.authorNybø, K.-
dc.contributor.authorNyman, G.-
dc.contributor.authorRavn, H.-
dc.contributor.authorRubio, Berta-
dc.contributor.authorSimpson, J.-
dc.contributor.authorSmith, A. G.-
dc.contributor.authorSmith, J. F.-
dc.contributor.authorSteffensen, K.-
dc.contributor.authorTaín, José Luis-
dc.contributor.authorTengblad, Olof-
dc.contributor.authorThorsteinsen, T. F.-
dc.date.accessioned2009-02-03T13:24:17Z-
dc.date.available2009-02-03T13:24:17Z-
dc.date.issued1997-08-18-
dc.identifier.citationNuclear Physics A 621(4): 827-852 (1997)-
dc.identifier.issn0375-9474-
dc.identifier.urihttp://hdl.handle.net/10261/10242-
dc.description26 pages, 4 tables, 10 figures.-- PACS nrs.: 21.10.−k; 23.20.−g; 23.20.Lv; 23.20.Nx.-
dc.description.abstractThe γ-rays following the β- decay of Rn-227 have been investigated by means of γ-ray singles and γγ-coincidence measurements using an array of 12 Compton-suppressed Ge detectors. The fast-timing βγγ(t) method has been used to measure six level lifetimes. Multipolarities of 32 transitions in Fr-227 have been established by measuring conversion electrons with a mini-orange electron spectrometer. Most of the observed transitions have been placed in a level scheme comprising 38 excited states of Fr-227, The low-lying levels are interpreted in terms of seven rotational bands. The observed E1 strengths for two transitions connecting the K-π = 3/2(±) bands are consistent with the transitional character of Fr-227, and confirm the presence of octupole correlations in this nucleus.en_US
dc.description.sponsorshipThis work was supported in part by the Natural Sciences and Engineering Research Council of Canada, the Norwegian Research Council, the Polish Scientific Research Committee under grant KBN-2-P03B-001-11, the Spanish CICYT under contracts AEN94-0833-C02-01 and AEN94-0833-C02-02, the Swedish Natural Science Research Council, and the UK Engineering and Physical Sciences Research Council. J.F.C.C. and J.F.S. acknowledge receipt of EPSRC studentships.en_US
dc.format.extent1233443 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherElsevier-
dc.rightsclosedAccessen_US
dc.subjectRadioactivity Rn-227(β-) [from Th-232(p,n5p),E = 1 GeV]en_US
dc.subjectMeasured Eγ, Iγ, I(ce), T-1/2, βγγ(t), γγ coinen_US
dc.subjectFr-227 deduced levels, J, π, ICC, γ-multipolarity, rotational bands, B(λ)en_US
dc.subjectGe, Si(Li), BGO, plastic, BaF2 detectors, mini-orange spectrometeren_US
dc.subject[PACS] Properties of nuclei; nuclear energy levelsen_US
dc.subject[PACS] Electromagnetic transitionsen_US
dc.subject[PACS] γ transitions and level energiesen_US
dc.subject[PACS] Internal conversion and extranuclear effects (including Auger electrons and internal bremsstrahlung)en_US
dc.titleThe nuclear structure of Fr-227en_US
dc.typeartículoen_US
dc.identifier.doi10.1016/S0375-9474(97)00190-5-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1016/S0375-9474(97)00190-5-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.languageiso639-1en-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.grantfulltextnone-
item.openairetypeartículo-
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