Ground state particle-particle correlations and double-beta decay

A self-consistent formalism for the double-beta decay of Fermi type is provided. The particle-particle channel of the two-body interaction is considered first in the mean field equations and then in the quasiparticle random phase approximation (QRPA). The resulting approach is called the QRPA with a...

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Detalles Bibliográficos
Autores: Raduta, A. A., Sarriguren, Pedro, Faessler, Amand, Moya de Guerra, Elvira
Tipo de recurso: artículo
Fecha de publicación:2001
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/31855
Acceso en línea:http://hdl.handle.net/10261/31855
Access Level:acceso abierto
Palabra clave:Double beta decay
QRPA calculations
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spelling Ground state particle-particle correlations and double-beta decayRaduta, A. A.Sarriguren, PedroFaessler, AmandMoya de Guerra, ElviraDouble beta decayQRPA calculationsA self-consistent formalism for the double-beta decay of Fermi type is provided. The particle-particle channel of the two-body interaction is considered first in the mean field equations and then in the quasiparticle random phase approximation (QRPA). The resulting approach is called the QRPA with a self-consistent mean field (QRPASMF). The mode provided by QRPASMF does not collapse for any strength of the particle-particle interaction. The transition amplitude for double-beta decay is almost insensitive to the variation of the particle-particle interaction. Comparing it with the result of the standard pnQRPA, it is smaller by a factor of 6. The prediction for transition amplitude agrees quite well with the exact result. The present approach is the only one that produces a strong decrease of the amplitude and at the same time does not alter the stability of the ground state.Peer reviewedAcademic PressElsevier201120112001info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/31855reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://dx.doi.org/10.1006/aphy.2001.6183info:eu-repo/semantics/openAccessoai:digital.csic.es:10261/318552026-05-22T06:33:51Z
dc.title.none.fl_str_mv Ground state particle-particle correlations and double-beta decay
title Ground state particle-particle correlations and double-beta decay
spellingShingle Ground state particle-particle correlations and double-beta decay
Raduta, A. A.
Double beta decay
QRPA calculations
title_short Ground state particle-particle correlations and double-beta decay
title_full Ground state particle-particle correlations and double-beta decay
title_fullStr Ground state particle-particle correlations and double-beta decay
title_full_unstemmed Ground state particle-particle correlations and double-beta decay
title_sort Ground state particle-particle correlations and double-beta decay
dc.creator.none.fl_str_mv Raduta, A. A.
Sarriguren, Pedro
Faessler, Amand
Moya de Guerra, Elvira
author Raduta, A. A.
author_facet Raduta, A. A.
Sarriguren, Pedro
Faessler, Amand
Moya de Guerra, Elvira
author_role author
author2 Sarriguren, Pedro
Faessler, Amand
Moya de Guerra, Elvira
author2_role author
author
author
dc.subject.none.fl_str_mv Double beta decay
QRPA calculations
topic Double beta decay
QRPA calculations
description A self-consistent formalism for the double-beta decay of Fermi type is provided. The particle-particle channel of the two-body interaction is considered first in the mean field equations and then in the quasiparticle random phase approximation (QRPA). The resulting approach is called the QRPA with a self-consistent mean field (QRPASMF). The mode provided by QRPASMF does not collapse for any strength of the particle-particle interaction. The transition amplitude for double-beta decay is almost insensitive to the variation of the particle-particle interaction. Comparing it with the result of the standard pnQRPA, it is smaller by a factor of 6. The prediction for transition amplitude agrees quite well with the exact result. The present approach is the only one that produces a strong decrease of the amplitude and at the same time does not alter the stability of the ground state.
publishDate 2001
dc.date.none.fl_str_mv 2001
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/31855
url http://hdl.handle.net/10261/31855
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://dx.doi.org/10.1006/aphy.2001.6183
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Academic Press
Elsevier
publisher.none.fl_str_mv Academic Press
Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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