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arXiv · hep-ph/0410295

Heavy-quarkonium interaction in QCD at finite temperature

Francois Arleo·Joseph Cugnon·Yuri Kalinovsky
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Abstract

We explore the temperature dependence of the heavy-quarkonium interaction based on the Bhanot-Peskin leading order perturbative QCD analysis. The Wilson coefficients are computed solving the Schrodinger equation in a screened Coulomb heavy-quark potential. The inverse Mellin transform of the Wilson coefficients then allows for the computation of the 1S and 2S heavy-quarkonium gluon and pion total cross section at finite screening/temperature. As a phenomenological illustration, the temperature dependence of the 1S charmonium thermal width is determined and compared to recent lattice QCD results.

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Francois Arleo, Joseph Cugnon, Yuri Kalinovsky. 2005-04-27. Heavy-quarkonium interaction in QCD at finite temperature. https://doi.org/10.1016/j.physletb.2005.03.065

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