Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-11-19
Phys.Lett.B650:239-243,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 3 figures
Scientific paper
10.1016/j.physletb.2007.05.019
Discussed is how non-perturbative properties of quark gluon plasma, recently discovered in RHIC experiment, can be related to the change of properties of scalar and pseudoscalar glueballs. We set up a model with the Cornwall-Soni's glueball-gluon interaction, which shows that the pseudoscalar glueball becomes massless above the critical temperature of deconfinement phase transition. This change of properties gives rise to the change of sign of the gluon condensate at $T > T_c$. We discuss the other physical consequences resulting from the drastic change of the pseudoscalar glueball mass above the critical temperature.
Kochelev Nikolai
Min Dong-Pil
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