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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.citation | 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.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.subject | Física | |
| dc.title | (K)over-bar* mesons in dense matter | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-08-20T11:41:11Z | |
| dc.identifier.doi | 10.1103/PhysRevC.82.045210 | |
| dc.identifier.idgrec | 061768 | |
| dc.rights.accessRights | open access | es_ES |
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