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With various experiments studying heavy-ion collisions a demand exists in the hadron physics community for theoretical predictions of hadronic properties at temperatures and densities far from equilibrium. In this work we will study the…

High Energy Physics - Phenomenology · Physics 2016-12-15 Martin Cleven , Volodymyr K. Magas , Angels Ramos

We study the properties of heavy mesons using a unitarized approach in a hot pionic medium, based on an effective hadronic theory. The interaction between the heavy mesons and pseudoscalar Goldstone bosons is described by a chiral…

High Energy Physics - Phenomenology · Physics 2019-10-04 Gloria Montaña , Angels Ramos , Laura Tolos

The properties of open charm mesons, $D$, $\bar D$, $D_s$ and $\bar D_s$ in nuclear matter at finite temperature are studied within a self-consistent coupled-channel approach. The interaction of the low lying pseudoscalar mesons with the…

High Energy Physics - Phenomenology · Physics 2011-08-09 C. E. Jiménez-Tejero , A. Ramos , L. Tolós , I. Vidaña

The properties of charmed mesons in dense matter are studied using a unitary coupled-channel approach in the nuclear medium which takes into account Pauli-blocking effects and meson self-energies in a self-consistent manner. We obtain the…

Nuclear Theory · Physics 2011-02-03 L. Tolos , D. Gamermann , C. Garcia-Recio , R. Molina , J. Nieves , E. Oset , A. Ramos

Chiral thermodynamics of charmed mesons is formulated at finite temperature within a $2+1+1$-flavored effective Lagrangian incorporating heavy quark symmetry. The charmed-meson mean fields act as an extra source which breaks the chiral…

High Energy Physics - Phenomenology · Physics 2015-06-22 Chihiro Sasaki

Vacuum and thermal properties of pseudoscalar and vector charm mesons are analyzed within a self-consistent many-body approach, employing a chiral effective field theory that incorporates heavy-quark spin symmetry. Upon unitarization of the…

High Energy Physics - Phenomenology · Physics 2020-11-25 Glòria Montaña , Àngels Ramos , Laura Tolos , Juan M. Torres-Rincon

We study the properties of strange and charm mesons in hot and dense matter within a self-consistent coupled-channel approach for the experimental conditions of density and temperature expected for the CBM experiment at FAIR/GSI. The…

High Energy Physics - Phenomenology · Physics 2009-11-12 L. Tolos , D. Cabrera , D. Gamermann , C. Garcia-Recio , R. Molina , J. Nieves , E. Oset , A. Ramos

We study the spectroscopy and transport properties of charmed mesons in a thermal medium by applying an effective field theory based on chiral and heavy-quark symmetries in the imaginary time formalism. Relying on unitarity constraints and…

High Energy Physics - Phenomenology · Physics 2022-09-21 Juan M. Torres-Rincon , Glòria Montaña , Àngels Ramos , Laura Tolos

We obtain the properties of charmed mesons in dense matter using a coupled-channel approach which accounts for Pauli blocking effects and meson self-energies in a self-consistent manner. We study the behaviour of dynamically-generated…

Nuclear Theory · Physics 2015-05-18 L. Tolos , D. Gamermann , C. Garcia-Recio , E. Oset , R. Molina , J. Nieves , A. Ramos

Charmed mesons in dense matter are studied within a unitary coupled-channel approach which takes into account Pauli-blocking effects and meson self-energies in a self-consistent manner. We obtain the open-charm meson spectral functions in…

We study the properties of open-charm mesons ($D$ and $\bar {D}$) in nuclear matter at finite temperature within a self-consistent coupled-channel approach. The meson-baryon interactions are adopted from a type of broken SU(4) s-wave…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani

We study the properties of charmed hadrons in dense matter within a coupled-channel approach which accounts for Pauli blocking effects and meson self-energies in a self-consistent manner. We analyze the behaviour in this dense environment…

Nuclear Theory · Physics 2015-05-14 L. Tolos , D. Gamermann , C. Garcia-Recio , R. Molina , J. Nieves , E. Oset , A. Ramos

The properties of charmed mesons in nuclear matter and nuclei are reviewed. Different frameworks are discussed paying a special attention to unitarized coupled-channel approaches which incorporate heavy-quark spin symmetry. Several charmed…

Nuclear Theory · Physics 2013-11-06 Laura Tolos

The widths for $\pi\pi$ decay of the L=1 charm mesons are calculated by describing the pion coupling to light constituents quarks by the lowest order chiral interaction. The wavefunctions of the charm mesons are obtained as solutions to the…

High Energy Physics - Phenomenology · Physics 2011-07-19 T. A. Lahde , D. O. Riska

We calculate the in-medium $D$ meson self-energies in a hot pion gas induced by resonance interactions with pions. The appropriate resonances in the {\it s},~ {\it p} and {\it d} waves of the $D$ meson-pion pair are represented by low lying…

Nuclear Theory · Physics 2009-11-10 C. Fuchs , B. V. Martemyanov , Amand Faessler , M. I. Krivoruchenko

We report on our recent work about the description of a meson gas below the chiral phase transition within the framework of Chiral Perturbation Theory. As an alternative to the standard treatment, we present a calculation of the quark…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Gomez Nicola , J. R. Pelaez , A. Dobado , F. J. LLanes-Estrada

We study the properties of strange and charm mesons in hot and dense matter within a self-consistent coupled-channel approach for the experimental conditions of density and temperature expected for the CBM experiment at FAIR/GSI. The…

High Energy Physics - Phenomenology · Physics 2009-06-25 Laura Tolos , Daniel Cabrera , Daniel Gamermann , Tetsuro Mizutani , Raquel Molina , Eulogio Oset , Angels Ramos

The in-medium properties of charm mesons ($D$ and $\bar D$) in a hot and dense matter are studied. A self-consistent coupled-channel approach is driven by a broken SU(4) s-wave Tomozawa-Weinberg interaction supplemented by an attractive…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani

The thermal corrections to the propagator of a loosely bound charm-meson molecule in a pion gas are calculated to next-to-leading order in the heavy-meson expansion using a zero-range effective field theory. Ultraviolet divergences in the…

High Energy Physics - Phenomenology · Physics 2023-09-13 Eric Braaten , Li-Ping He , Kevin Ingles , Jun Jiang

The pion properties in symmetric nuclear matter are investigated with the Quark-Meson Coupling (QMC) Model plus the light-front constituent quark model~(LFCQM). The LFCQM has been quite successful in describing the properties of…

High Energy Physics - Phenomenology · Physics 2016-06-22 J. P. B. C. de Melo , Kazuo Tsushima , Tobias Frederico
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