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Heavy quark potential and quarkonia dissociation rates

  • Theoretical Physics
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Abstract.

Quenched lattice data for the \(Q\bar Q\) interaction (in terms of heavy quark free energies) in the color-singlet channel at finite temperatures are fitted and used within the non-relativistic Schrödinger equation formalism to obtain binding energies and scattering phase shifts for the lowest eigenstates in the charmonium and bottomonium systems in a hot gluon plasma. The partial dissociation rate due to the Bhanot-Peskin process is calculated using different assumptions for the gluon distribution function, including free massless gluons, massive gluons, and massive damped gluons. It is demonstrated that a temperature dependent gluon mass has an essential influence on the heavy quarkonia dissociation, but that this process alone is insufficient to describe the heavy quarkonia dissociation rates.

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Authors and Affiliations

  1. Fakultät für Physik, Universität Bielefeld, 33615, Bielefeld, Germany

    D. Blaschke, O. Kaczmarek & E. Laermann

  2. Bogoliubov Laboratory of Theoretical Physics, JINR Dubna, 141980, Dubna, Russia

    D. Blaschke & V. Yudichev

Authors
  1. D. Blaschke
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  2. O. Kaczmarek
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  3. E. Laermann
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  4. V. Yudichev
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Corresponding author

Correspondence to D. Blaschke.

Additional information

Arrival of the final proofs: 8 July 2005

PACS:

12.38.Gc, 12.38.Mh, 14.40.Gx

D. Blaschke: Present address: GSI mbH, 64291 Darmstadt, Germany

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Blaschke, D., Kaczmarek, O., Laermann, E. et al. Heavy quark potential and quarkonia dissociation rates. Eur. Phys. J. C 43, 81–84 (2005). https://doi.org/10.1140/epjc/s2005-02327-5

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  • DOI: https://doi.org/10.1140/epjc/s2005-02327-5

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