Holographic vector meson melting in a thermal gravity-dilaton background related to QCD
2 Institut für Theoretische Physik, TU Dresden, 01062 Dresden, Germany
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Accepted: 27 October 2020
Published online: 21 December 2020
A holographic model of probe vector mesons (quarkonia) is presented, where the dynamical gravity-dilaton background is adjusted to the thermodynamics of 2 +1 flavor QCD with physical quark masses. The vector meson action is modified to account for various quark masses. We focus on the Φ, J∕ψ and ϒ meson melting in agreement with hadron phenomenology in heavy-ion collisions at LHC, that is the formation of hadrons at the observed freeze-out temperature of 155 MeV.
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