Nuclear Physics & RIKEN Theory Seminar

"Thermalization in collisions of extremely large nuclei at extremely large energies"

Presented by Aleksi Kurkela, McGill University

Friday, December 9, 2011, 2:00 pm — Small Seminar Room, Bldg. 510

Hydrodynamical analysis of experimental data of ultra relativistic heavy ion collisions seems to indicate that the hot QCD matter created in the collisions thermalizes very quickly. Theoretically, we have no idea why this should be true. In my talk, I will describe how the thermalization takes place in the most theoretically clean limit -- that of large nuclei at asymptotically high energy per nucleon, where the system is described by weak-coupling QCD. In this limit, plasma instabilities dominate the dynamics from immediately after the collision until well after the plasma becomes nearly in equilibrium at time Qt ~ alpha^(-5/2).

Hosted by: Bjoern Schenke

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