Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei

The nonmesonic weak decay of polarized Λ hypernuclei is studied for the first time by taking into account, with a Monte Carlo intranuclear cascade code, the nucleon final state interactions. A one-meson-exchange model is employed to describe the → Λ N → n N processes in a finite nucleus framework. T...

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Detalles Bibliográficos
Autores: Alberico, W. M., Garbarino, G., Parreño García, Assumpta, Ramos Gómez, Àngels
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2005
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/12837
Acceso en línea:https://hdl.handle.net/2445/12837
Access Level:acceso abierto
Palabra clave:Estructura nuclear
Hiperons
Reaccions nuclears
Nuclear structure
Hyperons
Nuclear reactions
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spelling Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernucleiAlberico, W. M.Garbarino, G.Parreño García, AssumptaRamos Gómez, ÀngelsEstructura nuclearHiperonsReaccions nuclearsNuclear structureHyperonsNuclear reactionsThe nonmesonic weak decay of polarized Λ hypernuclei is studied for the first time by taking into account, with a Monte Carlo intranuclear cascade code, the nucleon final state interactions. A one-meson-exchange model is employed to describe the → Λ N → n N processes in a finite nucleus framework. The relationship between the intrinsic Λ asymmetry parameter a Λ and the asymmetry a M Λ accessible in experiments is discussed. A strong dependence of a M Λ on nucleon final state interactions and detection threshold is obtained. Our results for a M Λ are consistent with 11 Λ → B and 12 Λ → C data but disagree with observations in 5 Λ → H e .American Physical Society2005info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/12837Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.94.082501Physical Review Letters, 2005, vol. 94, núm. 8, p. 082501-1-082501-4http://dx.doi.org/10.1103/PhysRevLett.94.082501(c) American Physical Society, 2005info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/128372026-05-27T06:46:51Z
dc.title.none.fl_str_mv Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
title Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
spellingShingle Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
Alberico, W. M.
Estructura nuclear
Hiperons
Reaccions nuclears
Nuclear structure
Hyperons
Nuclear reactions
title_short Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
title_full Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
title_fullStr Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
title_full_unstemmed Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
title_sort Asymmetries in the nonmesonic weak decay of polarized Lambda-hypernuclei
dc.creator.none.fl_str_mv Alberico, W. M.
Garbarino, G.
Parreño García, Assumpta
Ramos Gómez, Àngels
author Alberico, W. M.
author_facet Alberico, W. M.
Garbarino, G.
Parreño García, Assumpta
Ramos Gómez, Àngels
author_role author
author2 Garbarino, G.
Parreño García, Assumpta
Ramos Gómez, Àngels
author2_role author
author
author
dc.subject.none.fl_str_mv Estructura nuclear
Hiperons
Reaccions nuclears
Nuclear structure
Hyperons
Nuclear reactions
topic Estructura nuclear
Hiperons
Reaccions nuclears
Nuclear structure
Hyperons
Nuclear reactions
description The nonmesonic weak decay of polarized Λ hypernuclei is studied for the first time by taking into account, with a Monte Carlo intranuclear cascade code, the nucleon final state interactions. A one-meson-exchange model is employed to describe the → Λ N → n N processes in a finite nucleus framework. The relationship between the intrinsic Λ asymmetry parameter a Λ and the asymmetry a M Λ accessible in experiments is discussed. A strong dependence of a M Λ on nucleon final state interactions and detection threshold is obtained. Our results for a M Λ are consistent with 11 Λ → B and 12 Λ → C data but disagree with observations in 5 Λ → H e .
publishDate 2005
dc.date.none.fl_str_mv 2005
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/12837
url https://hdl.handle.net/2445/12837
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.94.082501
Physical Review Letters, 2005, vol. 94, núm. 8, p. 082501-1-082501-4
http://dx.doi.org/10.1103/PhysRevLett.94.082501
dc.rights.none.fl_str_mv (c) American Physical Society, 2005
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) American Physical Society, 2005
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Física Quàntica i Astrofísica)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.301629

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