On meson melting in the quark medium

Details On meson melting in the quark medium On meson melting in the quark medium

2012-03-18

arxiv.org/abs/1203.3942v1

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 12 figures, We more clarify and extend the results of arXiv:0907.0064

Scientific paper

We consider a heavy quark-antiquark $(q\bar{q})$ pair as a heavy meson in the medium composed of light quarks and gluons. By using the AdS/CFT correspondence, the properties of this system are investigated. In particular, we study the inter-quark distance and it is shown that the mechanism of melting in the quark-gluon plasma and in the hadronic phase are the same. It is found that by considering finite coupling corrections, the inter-quark distance of a heavy meson decreases. As a result a heavy meson like $J/ \psi$ will melt at higher temperatures. By considering rotating heavy mesons, we discuss melting of exited states like $\chi_c$ and $\psi'$.

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