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Q¯ modes in the Quark-Gluon Plasma

  • QNP 2006
  • Published:
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Abstract.

We study the evolution of heavy quarkonium states with temperature in a Quark-Gluon Plasma (QGP) by evaluating an in-medium Q¯ T-matrix within a reduced Bethe-Salpeter equation in S- and P-wave channels. The interaction kernel is extracted from finite-temperature QCD lattice calculations of the singlet free energy of a Q¯ pair. Quarkonium bound states are found to gradually move across the Q¯ threshold after which they rapidly dissolve in the hot system. We calculate Euclidean-time correlation functions and compare to results from lattice QCD. We also study finite-width effects in the heavy-quark propagators.

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Authors and Affiliations

  1. Cyclotron Institute and Physics Department, Texas A&M University, College Station, 77843-3366, TX, USA

    D. Cabrera & R. Rapp

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  1. D. Cabrera
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  2. R. Rapp
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Correspondence to D. Cabrera.

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Cabrera, D., Rapp, R. Q¯ modes in the Quark-Gluon Plasma. Eur. Phys. J. A 31, 858–861 (2007). https://doi.org/10.1140/epja/i2006-10237-y

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  • DOI: https://doi.org/10.1140/epja/i2006-10237-y

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