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2ν double beta decay within the relativistic QRPA

dc.contributor.authorDe Conti, Cláudio [UNESP]
dc.contributor.authorKrmpotić, Francisco
dc.contributor.authorCarlson, Brett Vern
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUniversidad Nacional de La Plata
dc.contributor.institutionInstituto Tecnológico de Aeronáutica
dc.date.accessioned2022-04-29T08:27:33Z
dc.date.available2022-04-29T08:27:33Z
dc.date.issued2011-01-01
dc.description.abstractWe perform a self-consistent relativistic QRPA (RQRPA) calculation of 2νββ-decay based on relativistic BCS (RBCS) mean field theory results for odd-odd intermediate nuclei 48Sc, 76As, 82Br, 100Tc, 128I, and 130I. The RBCS equations that resemble the non-relativistic ones are constructed from a Dirac-Gorkov variational functional. We use the parameter set NL1 for the σ, ω and ρ mesons. The RQRPA equations are solved for the residual π +ρ interaction by employing the same parameters used in the RBCS for the latter meson, and experimental values for the pion and nucleon. The RQRPA results for the 2νββ matrix elements are similar to those obtained within the QRPA and the shell model.en
dc.description.affiliationCampus Experimental de Itapeva Universidade Estadual Paulista
dc.description.affiliationInstituto de Física La Plata CONICET Universidad Nacional de La Plata
dc.description.affiliationDepartamento de Física Instituto Tecnológico de Aeronáutica
dc.description.affiliationUnespCampus Experimental de Itapeva Universidade Estadual Paulista
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.identifier.citationProceedings of Science, v. 142.
dc.identifier.issn1824-8039
dc.identifier.scopus2-s2.0-85053322096
dc.identifier.urihttp://hdl.handle.net/11449/228595
dc.language.isoeng
dc.relation.ispartofProceedings of Science
dc.sourceScopus
dc.title2ν double beta decay within the relativistic QRPAen
dc.typeTrabalho apresentado em evento
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciências e Engenharia, Itapevapt
unesp.departmentEngenharia Industrial Madeireira - ICEpt

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