Antikaon potential in hot and dense matter

The antikaon optical potential in hot and dense nuclear matter is studied within the framework of a coupled-channel self-consistent calculation taking, as bare meson-baryon interaction, the meson-exchange potential of the Jlich group. Typical conditions found in heavy-ion collisions at GSI are explo...

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Detalhes bibliográficos
Autores: Tolós Rigueiro, Laura, Ramos Gómez, Àngels, Polls Martí, Artur
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2002
País:España
Recursos:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/10997
Acesso em linha:https://hdl.handle.net/2445/10997
Access Level:acceso abierto
Palavra-chave:Antikaons
Reaccions nuclears
Constitució de la matèria
Nuclear reactions
Constitution of matter
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spelling Antikaon potential in hot and dense matterTolós Rigueiro, LauraRamos Gómez, ÀngelsPolls Martí, ArturAntikaonsReaccions nuclearsConstitució de la matèriaAntikaonsNuclear reactionsConstitution of matterThe antikaon optical potential in hot and dense nuclear matter is studied within the framework of a coupled-channel self-consistent calculation taking, as bare meson-baryon interaction, the meson-exchange potential of the Jlich group. Typical conditions found in heavy-ion collisions at GSI are explored. As in the case of zero temperature, the angular momentum components larger than L=0 contribute significantly to the finite temperature antikaon optical potential at finite momentum. It is found that the particular treatment of the medium effects has a strong influence on the behavior of the antikaon potential with temperature. Our self-consistent model, in which antikaons and pions are dressed in the medium, gives a moderately temperature dependent antikaon potential which remains attractive at GSI temperatures, contrary to what one finds if only nuclear Pauli blocking effects are included.The American Physical Society2002info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/10997Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevC.65.054907Physical Review C, 2002, vol. 65, núm. 5, p. 054907-1-054907-10http://dx.doi.org/10.1103/PhysRevC.65.054907(c) The American Physical Society, 2002info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/109972026-05-27T06:46:51Z
dc.title.none.fl_str_mv Antikaon potential in hot and dense matter
title Antikaon potential in hot and dense matter
spellingShingle Antikaon potential in hot and dense matter
Tolós Rigueiro, Laura
Antikaons
Reaccions nuclears
Constitució de la matèria
Antikaons
Nuclear reactions
Constitution of matter
title_short Antikaon potential in hot and dense matter
title_full Antikaon potential in hot and dense matter
title_fullStr Antikaon potential in hot and dense matter
title_full_unstemmed Antikaon potential in hot and dense matter
title_sort Antikaon potential in hot and dense matter
dc.creator.none.fl_str_mv Tolós Rigueiro, Laura
Ramos Gómez, Àngels
Polls Martí, Artur
author Tolós Rigueiro, Laura
author_facet Tolós Rigueiro, Laura
Ramos Gómez, Àngels
Polls Martí, Artur
author_role author
author2 Ramos Gómez, Àngels
Polls Martí, Artur
author2_role author
author
dc.subject.none.fl_str_mv Antikaons
Reaccions nuclears
Constitució de la matèria
Antikaons
Nuclear reactions
Constitution of matter
topic Antikaons
Reaccions nuclears
Constitució de la matèria
Antikaons
Nuclear reactions
Constitution of matter
description The antikaon optical potential in hot and dense nuclear matter is studied within the framework of a coupled-channel self-consistent calculation taking, as bare meson-baryon interaction, the meson-exchange potential of the Jlich group. Typical conditions found in heavy-ion collisions at GSI are explored. As in the case of zero temperature, the angular momentum components larger than L=0 contribute significantly to the finite temperature antikaon optical potential at finite momentum. It is found that the particular treatment of the medium effects has a strong influence on the behavior of the antikaon potential with temperature. Our self-consistent model, in which antikaons and pions are dressed in the medium, gives a moderately temperature dependent antikaon potential which remains attractive at GSI temperatures, contrary to what one finds if only nuclear Pauli blocking effects are included.
publishDate 2002
dc.date.none.fl_str_mv 2002
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/2445/10997
url https://hdl.handle.net/2445/10997
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevC.65.054907
Physical Review C, 2002, vol. 65, núm. 5, p. 054907-1-054907-10
http://dx.doi.org/10.1103/PhysRevC.65.054907
dc.rights.none.fl_str_mv (c) The American Physical Society, 2002
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) The American Physical Society, 2002
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv The American Physical Society
publisher.none.fl_str_mv The 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 15,300724

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