2026-04-13T19:01:28Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/2197202025-12-05T16:13:30Zcom_2072_1057col_2072_478823col_2072_478904col_2072_478917

Recent progress on in-medium properties of heavy mesons from finite-temperature EFTs Montaña Faiget, Glòria Ramos Gómez, Àngels Tolos, Laura Torres Rincón, Juan M. Mesons (Física nuclear) Simetria (Física) Hadrons Mesons (Nuclear physics) Symmetry (Physics) Hadrons Mesons with heavy flavor content are an exceptional probe of the hot QCD medium produced in heavy-ion collisions. In the past few years, significant progress has been made toward describing the modification of the properties of heavy mesons in the hadronic phase at finite temperature. Ground-state and excited-state thermal spectral properties can be computed within a self- consistent many-body approach that employs appropriate hadron-hadron effective interactions, providing a unique opportunity to confront hadronic Effective Field Theory predictions with recent and forthcoming lattice QCD simulations and experimental data. In this article, we revisit the application of the imaginary-time formalism to extend the calculation of unitarized scattering amplitudes from the vacuum to finite temperature. These methods allow us to obtain the ground-state thermal spectral functions. The thermal properties of the excited states that are dynamically generated within the molecular picture are also directly accessible. We present here the results of this approach for the open- charm and open-bottom sectors. We also analyze how the heavy-flavor transport properties, which are strongly correlated to experimental observables in heavy- ion collisions, are modified in hot matter. In particular, transport coefficients can be computed using an off-shell kinetic theory that is fully consistent with the effective theory describing the scattering processes. The results of this procedure for both charm and bottom transport coefficients are briefly discussed. 2025-03-14T12:20:20Z 2025-03-14T12:20:20Z 2023-09-05 2025-03-14T12:20:20Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2296-424X https://hdl.handle.net/2445/219720 739096 eng Reproducció del document publicat a: https://doi.org/10.3389/fphy.2023.1250939 Frontiers In Physics, 2023, num.11, p. 01-14 https://doi.org/10.3389/fphy.2023.1250939 cc-by (c) Glòria Montaña et al., 2023 http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess 15 p. application/pdf Frontiers Media Articles publicats en revistes (Física Quàntica i Astrofísica)