Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-07-14
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, 8 figures, talk presented at the international (7th national) workshop for QCD phase transition and heavy ion collisi
Scientific paper
We examine the space-time structure of the particle-emitting sources with fluctuating initial conditions in smoothed particle hydrodynamics. The two-pion correlation functions of single events for the sources exhibit event-by-event fluctuations. The large event-by-event fluctuations and wide distributions of the error-inverse-weighted fluctuations between the HBT correlation functions of single and mixed events are important features for the sources with the fluctuating initial conditions. The root-mean-square of the weighted fluctuations is a signal to detect the inhomogeneity of the systems produced in high energy heavy ion collisions.
Liu Jian-Li
Ren Yan-Yu
Zhang Wei-Ning
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