Quarkonium in a weakly-coupled quark-gluon plasma

Details Quarkonium in a weakly-coupled quark-gluon plasma Quarkonium in a weakly-coupled quark-gluon plasma

2010-09-30

arxiv.org/abs/1009.6137v1

AIP Conf.Proc.1317:241-249,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures; contribution to QCD@Work 2010, Martina Franca, June 20-23, 2010

Scientific paper

10.1063/1.3536565

We report about a recent calculation of the heavy quarkonium mass and decay width in a quark-gluon plasma, whose temperature T and screening mass m_D satisfy the hierarchy m alpha_s >> pi T >> m alpha_s^2 >> m_D, m being the heavy-quark mass, up to order m alpha_s^5. The calculation may be relevant to understand the behavior of the Y(1S) in a quark-gluon plasma at present-day colliders.

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