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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/16279

Title: Heavy flavor relaxation in a hadronic medium
Authors: Cabrera, Daniel
Abreu, Luciano Melo
Llanes-Estrada, Felipe J.
Torres-Rincon, Juan M.
Keywords: Charmed and bottomed mesons;Heavy-quark effective theory;Diffusion coefficient
Issue Date: 2013
Publisher: Elsevier
Citation: Daniel Cabrera, Luciano M. Abreu, Felipe J. Llanes-Estrada, Juan M. Torres-Rincon, Nucl. Phys. A 914, 505 (2013)
Abstract: Charm and bottom transport coefficients in a medium constituted of light mesons, such as is formed in the hadronic phase of heavy-ion collisions, are obtained within an effective field theory approach implementing heavy-quark symmetry and chiral symmetry breaking. Heavy flavor propagates in the medium as D/B and D*/B* degrees of freedom, and unitarization of the lowest order heavy–light meson amplitudes is used in order to reach high temperatures. The latter accounts for dynamically generated resonances in isospin 1/2 channels, a feature that leads to a more efficient heavy-flavor diffusion. We discuss the temperature and momentum dependence of the friction and diffusion coefficients in a transport approach up to temperatures of about T 150 MeV, and provide estimates of the charm/bottom relaxation lengths and momentum loss. Implications for heavy-meson spectrum observables in heavy-ion collisions are discussed.
URI: http://repositorio.ufba.br/ri/handle/ri/16279
ISSN: 0375-9474
Appears in Collections:Artigos Publicados em Periódicos (PPGFIS)

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