Strange meson production at high density and temperature
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Strange meson production at high density and temperature

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Strange meson production at high density and temperature

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dc.contributor.author Tolós Rigueiro, Laura
dc.contributor.author Cabrera Urbán, Daniel
dc.contributor.author Molina Peralta, Raquel
dc.contributor.author Oset Báguena, Eulogio
dc.contributor.author Ramos Gómez, Àngels
dc.date.accessioned 2015-08-20T07:42:15Z
dc.date.available 2015-08-20T07:42:15Z
dc.date.issued 2010
dc.identifier.uri http://hdl.handle.net/10550/46693
dc.description.abstract The properties of strange mesons (K, K¯ and K¯∗) in dense matter are studied using a unitary approach in coupled channels for meson-baryon scattering. The kaon-nucleon interaction incorporates s- and p-wave contributions within a chiral model whereas the interaction of K¯∗ with nucleons is obtained in the framework of the local hidden gauge formalism. The in-medium solution for the scattering amplitude accounts for Pauli blocking effects, mean-field binding on baryons, and meson self-energies. We obtain the K, K¯ and K¯∗ (off-shell) spectral functions in the nuclear medium and study their behaviour at finite density, temperature and momentum. We also analyze the energy weighted sum rules of the kaon propagator as a quality test of model calculations. We finally estimate the transparency ratio of the γA→K+K∗−A′ reaction, which we propose as a feasible scenario at present facilities to detect in-medium modifications of the K¯∗ meson.
dc.language.iso eng
dc.relation.ispartof Progress of Theoretical Physics, 2010, vol. 186, num. SUPP, p. 384-389
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Tolós Rigueiro, Laura Cabrera Urbán, Daniel Molina Peralta, Raquel Oset Báguena, Eulogio Ramos Gómez, Àngels 2010 Strange meson production at high density and temperature Progress of Theoretical Physics 186 SUPP 384 389
dc.subject Física
dc.title Strange meson production at high density and temperature
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-08-20T07:42:15Z
dc.identifier.doi http://dx.doi.org/10.1143/PTPS.186.384
dc.identifier.idgrec 063136

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