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http://hdl.handle.net/2445/15242
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DC Field | Value | Language |
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dc.contributor.author | Tolós Rigueiro, Laura | cat |
dc.contributor.author | Molina, R. | cat |
dc.contributor.author | Oset Baguena, Eulogio | cat |
dc.contributor.author | Ramos Gómez, Àngels | cat |
dc.date.accessioned | 2011-01-13T11:42:07Z | - |
dc.date.available | 2011-01-13T11:42:07Z | - |
dc.date.issued | 2010-10-29 | - |
dc.identifier.uri | http://hdl.handle.net/2445/15242 | - |
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. | eng |
dc.format.extent | 12 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | eng |
dc.publisher | American Physical Society | eng |
dc.relation.isformatof | Reproducció del document publicat a: http://dx.doi.org/10.1103/PhysRevC.82.045210 | - |
dc.relation.ispartof | Physical Review C, 2010, vol. 82, núm. 4, p. 045210-1-045210-12 | - |
dc.relation.uri | http://dx.doi.org/10.1103/PhysRevC.82.045210 | - |
dc.rights | (c) American Physical Society, 2010 | - |
dc.source | Articles publicats en revistes (Física Quàntica i Astrofísica) | - |
dc.subject.classification | Teoria de camps (Física) | cat |
dc.subject.other | Properties of specific particles | eng |
dc.subject.other | General theory of fields and particles | eng |
dc.subject.other | Specific reactions and phenomenology | eng |
dc.title | (K)over-bar* mesons in dense matter | eng |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 598753 | - |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/FP7/227431/EU//HADRONPHYSICS2 | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Publicacions de projectes de recerca finançats per la UE |
Files in This Item:
File | Description | Size | Format | |
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598753.pdf | 528.96 kB | Adobe PDF | View/Open |
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