'Bottom up' thermalization in heavy ion collisions

By R. Baier, A. Mueller, D. Schiff, D. Son. 2000

455 citations recorded by the source corpus.

Abstract We describe how thermalization occurs in heavy ion collisions in the framework of perturbative QCD. When the saturation scale Qs is large compared to ΛQCD, thermalization takes place during a time of order α−13/5Qs−1 and the maximal temperature achieved is α2/5Qs.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/95218537e41e5366577e40765d7fab54121c5e43

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In Nuclear and High Energy Physics

Citations in the corpus

Medium-induced gluon branching (2012, methodology): “The assumption of factorization of succesive emissions has already been used in different BDMPSZ inspired phenomenological studies [30–32] and in particular Monte Carlo codes developed in refs.”
Transport coefficients in high temperature gauge theories. 2. Beyond leading log (2003, background): “Son [ 27 ],6 the collision term needed to reproduce leading-order quasiparticle dynamics”
Gauge/String Duality, Hot QCD and Heavy Ion Collisions (2011, background): “Reaching approximate local thermal equilibrium and hence hydrodynamic behavior within less than 1 fm after a heavy ion collision has been thought of as “rapid equilibration”, since it is rapid compared to weak coupling estimates [15].”
Strongly correlated quantum fluids: ultracold quantum gases, quantum chromodynamic plasmas and holographic duality (2012, background): “The first attempt to understand thermalization starting from an initial color-glass state using 2→ 2 and 2→ 3 scattering is the bottom-up scenario described in [430].”
Thermodynamics and instabilities of a strongly coupled anisotropic plasma (2011, background): “The isotropic case corresponds of course to ξ = 0, and the initial stages of a heavy ion collision are expected to correspond to ξ > 0 [130].”
Collective Phenomena in the Non-Equilibrium Quark-Gluon Plasma (2008, background): “In the same year, Arnold, Lenaghan and Moore [64] investigated the case corresponding to the ξ → ∞ limit in the prescription described above, arguing that it drastically modifies the scenario of “bottom-up thermalization” advocated by Baier, Mueller, Schiff and Son [56], which would then have to be ”
Momentum broadening in an anisotropic plasma (2006, background): “On the other hand, perturbative estimates of the thermalization time [2] result in much larger values, seemingly excluding the possibility of rapid thermalization (see however [3]) .”