How Wide is the Transition to Deconfinement - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: Pure SU3 glue theories exhibit a deconfining phase transition at a nonzerotemperature, Tc. Using lattice measurements of the pressure, we develop asimple matrix model to describe the transition region, when T > Tc. This model,which involves three parameters, is used to compute the behavior of the -tHooft loop. There is a Higgs phase in this region, where off diagonal colormodes are heavy, and diagonal modes are light. Lattice measurements of thelatter suggests that the transition region is narrow, extending only to about1.2 Tc. This is in stark contrast to lattice measurements of the renormalizedPolyakov loop, which indicates a much wider width. The possible implicationsfor the differences in heavy ion collisions between RHIC and the LHC arediscussed.



Author: Adrian Dumitru, Yun Guo, Yoshimasa Hidaka, Christiaan P. Korthals Altes, Robert D. Pisarski

Source: https://arxiv.org/







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