Role of Glueballs in Non-Perturbative Quark-Gluon Plasma

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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.
8 pages, 3 figures

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High Energy Physics - Phenomenology, Nuclear Experiment, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/194475

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0611250
 http://arxiv.org/abs/hep-ph/0611250
 Phys.Lett.B650:239-243,2007
 doi:10.1016/j.physletb.2007.05.019

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arXiv