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Coupling of the Collective Rotation and Pairing Correlation Modes in Well-Deformed Even-Even Nuclei

hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorQUENTIN, P.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorBARTEL, J.
dc.date.issued2017
dc.date.conference2017-10-05
dc.description.abstractEnPairing correlations are generating, as well-known, counter-rotating currents in well-deformed nuclei undergoing a collective rotation, a phenomenon dubbed as the Coriolis anti-pairing effect. It has already been shown that the coupling of these currents with those generated by the global rotation could be well described within the Chandrasekhar S-ellipsoid framework. Taking stock of this, we express the energies of states within a K = 0 band of even-even nuclei in the form of a fixed polynomial of order three in the square of the angular velocity where the only quantities to be entered for each nucleus are the equilibrium intrinsic deformation and the energy of the first 2^+ state. Calculations have been performed for a selection of deformed rare-earth and actinide nuclei. Despite the relatively minor input of data, the agreement with the experimental energies within a band is generally found to be very good up to rather high spins, up to a point where other coupling mechanisms start to be effective, like e.g. the centrifugal stretching or the back-bending phenomenon.
dc.language.isoen
dc.source.titleBulg.J.Phys.
dc.title.enCoupling of the Collective Rotation and Pairing Correlation Modes in Well-Deformed Even-Even Nuclei
dc.typeCommunication dans un congrès
dc.subject.halPhysique [physics]/Physique Nucléaire Théorique [nucl-th]
bordeaux.page326-333
bordeaux.volume44
bordeaux.issue4
bordeaux.countryBG
bordeaux.title.proceedingBulg.J.Phys.
bordeaux.conference.citySofia
bordeaux.peerReviewednon
hal.identifierhal-01915057
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2017-10-07
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01915057v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=Bulg.J.Phys.&rft.date=2017&rft.volume=44&rft.issue=4&rft.spage=326-333&rft.epage=326-333&rft.au=QUENTIN,%20P.&BARTEL,%20J.&rft.genre=unknown


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