Wednesday, May 29, 2013

1305.6445 (Surasree Mazumder et al.)

Gluon bremsstrahlung by heavy quarks - its effects on transport
coefficients and equilibrium distribution

Surasree Mazumder, Trambak Bhattacharyya, Jan-e Alam
The effects of gluon radiation by charm quarks on the transport coefficients {\it e.g.} drag, longitudinal and transverse diffusion and shear viscosity have been studied within the ambit of perturbative quantum chromodynamics (pQCD) and kinetic theory. We found that while the soft gluon radiation has substantial effects on the transport coefficients of the charm quarks in the quark gluon plasma its effects on the equilibrium distribution function is insignificant.
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