(K)over-bar* mesons in dense matter
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(K)over-bar* mesons in dense matter

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(K)over-bar* mesons in dense matter

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dc.contributor.author Tolós Rigueiro, Laura
dc.contributor.author Molina Peralta, Raquel
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Ramos Gómez, Àngels
dc.date.accessioned 2015-08-20T11:41:11Z
dc.date.available 2015-08-20T11:41:11Z
dc.date.issued 2010
dc.identifier.uri http://hdl.handle.net/10550/46721
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.
dc.language.iso eng
dc.relation.ispartof Physical Review C, 2010, vol. 82, num. 4, p. 045210
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Tolós Rigueiro, Laura Molina Peralta, Raquel Oset Báguena, Eulogio Ramos Gómez, Àngels 2010 (K)over-bar* mesons in dense matter Physical Review C 82 4 045210
dc.subject Física
dc.title (K)over-bar* mesons in dense matter
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-08-20T11:41:11Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevC.82.045210
dc.identifier.idgrec 061768

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