Mach Cones in Viscous Matter

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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4 pages, 3 figures, to appear in the conference proceedings of Hot Quarks 2010

Scientific paper

10.1088/1742-6596/270/1/012012

Employing a microscopic transport model we investigate the evolution of high energetic jets moving through a viscous medium. For the scenario of an unstoppable jet we observe a clearly strong collective behavior for a low dissipative system $\eta/s \approx 0.005$, leading to the observation of cone-like structures. Increasing the dissipation of the system to $\eta/s \approx 0.32$ the Mach Cone structure vanishes. Furthermore, we investigate jet-associated particle correlations. A double-peak structure, as observed in experimental data, is even for low-dissipative systems not supported, because of the large influence of the head shock.

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