HBT Effect with fluctuating initial conditions and continuous emission

Hama, Yogiro; Grassi, Frédérico; Socolowski Junior, Otavio


We study effects of the event-by-event fluctuation of the initial conditions and the continuous pion emission during the whole development of the hot and dense matter formed in high-energy collisions on the two-pion interferometry. Important deviations occur, from the standard version of hydrodynamics with smooth initial conditions and a sudden freeze-out on a T = Tfo hypersurface. Comparison with data at RHIC shows that this description can give account of the mT dependence of RL and Rs and significantly improves Ro with respect to the usual version.

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  • IMEF - Artigos publicados em periódicos