Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2009-07-08
Phys.Rev.C80:054914,2009; Erratum-ibid.C81:029901,2010
Physics
Nuclear Physics
Nuclear Theory
Detailed results on momentum dependence of correlation radii and source functions are added. 9 pages including 12 figures. To
Scientific paper
10.1103/PhysRevC.80.054914
We explore the intensity correlations for thermal photons having $K_T\leq$ 2 GeV/$c$, for central collisions of heavy nuclei at RHIC and LHC energies. These photons get competing contributions from the quark and the hadronic phases. This competition gives rise to a unique structure, especially in the outward correlation function, due to the interference between the photons from the two sources. The temporal separation of the two sources provides the life time of the system and their strengths provide the relative contribution of the two phases. The results are found to be quite sensitive to the quark-hadron phase transition temperature and the formation time of the plasma.
Chatterjee Rupa
Srivastava Dinesh Kumar
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