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dc.contributor.author | Tolos, Laura | - |
dc.contributor.author | Molina, Raquel | - |
dc.contributor.author | Oset, Eulogi | - |
dc.contributor.author | Ramos, Àngels | - |
dc.date.accessioned | 2011-03-04T12:06:15Z | - |
dc.date.available | 2011-03-04T12:06:15Z | - |
dc.date.issued | 2010-10-29 | - |
dc.identifier.citation | Physical Review - Section C - Nuclear Physics 82 (4): 045210 (2010) | es_ES |
dc.identifier.issn | 0556-2813 | - |
dc.identifier.uri | http://hdl.handle.net/10261/33058 | - |
dc.description.abstract | We study the properties of (K) over bar* mesons in nuclear matter using a unitary approach in coupled channels within the framework of the local hidden gauge formalism and incorporating the (K) over bar pi decay channel in matter. The in-medium (K) over bar *N interaction accounts for Pauli blocking effects and incorporates the (K) over bar* self-energy in a self-consistent manner. We also obtain the (K) over bar* (off-shell) spectral function and analyze its behavior at finite density and momentum. At a normal nuclear matter density, the (K) over bar* meson feels a moderately attractive potential, while the (K) over bar* width becomes five times larger than in free space. We estimate the transparency ratio of the gamma A -> K+K*(-) A` reaction, which we propose as a feasible scenario at the present facilities to detect changes in the properties of the (K) over bar* meson in nuclear medium. | es_ES |
dc.description.sponsorship | L.T. wishes to acknowledge support from the Rosalind Franklin Programme of the University of Groningen (The Netherlands) and the Helmholtz International Center for FAIR within the framework of the LOEWE program by the State of Hesse (Germany). This work is partly supported by projects FIS2006-03438, FIS2008-01661 from the Ministerio de Ciencia e Innovación (Spain), by the Generalitat Valenciana in the program Prometeo and by the Generalitat de Catalunya contract 2009SGR-1289. This research is part of the European Community-Research Infrastructure Integrating Activity “Study of Strongly Interacting Matter” (acronym HadronPhysics2, Grant Agreement n. 227431) and of the EU Human Resources and Mobility Activity “FLAVIAnet” (contract number MRTN–CT–2006–035482), under the Seventh Framework Programme of EU. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | American Physical Society | es_ES |
dc.rights | openAccess | es_ES |
dc.title | (K)over-bar* mesons in dense matter | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1103/PhysRevC.82.045210 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1103/PhysRevC.82.045210 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
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dense matter.pdf | 306,92 kB | Adobe PDF | Visualizar/Abrir |
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