Montaña Faiget, GlòriaRamos Gómez, ÀngelsTolós Rigueiro, LauraTorres Rincón, Juan M.2021-07-142021-07-142020-07-100370-2693https://hdl.handle.net/2445/179065We study D and Ds mesons at finite temperature using an effective field theory based on chiral and heavy-quark spin-flavor symmetries within the imaginary-time formalism. Interactions with the light degrees of freedom are unitarized via a Bethe-Salpeter approach, and the D and Ds self-energies are calculated self-consistently. We generate dynamically the D*0(2300) and Ds*(2317) states, and study their possible identification as the chiral partners of the D and Ds ground states, respectively. We show the evolution of their masses and decay widths as functions of temperature, and provide an analysis of the chiral-symmetry restoration in the heavy-flavor sector below the transition temperature. In particular, we analyse the very special case of the D-meson, for which the chiral partner is associated to the double-pole structure of the D*0(2300).7 p.application/pdfengcc-by (c) Montaña Faiget, Glòria et al., 2020https://creativecommons.org/licenses/by/4.0/Física de partículesSimetria (Física)Particle physicsSymmetry (Physics)info:eu-repo/semantics/article7030432021-07-14info:eu-repo/semantics/openAccess