2000 character limit reached
Transverse momentum broadening and gauge invariance
Published 20 Sep 2012 in hep-ph | (1209.4486v1)
Abstract: In the framework of the soft-collinear effective theory, we present a gauge invariant definition of the transverse momentum broadening probability of a highly-energetic collinear quark in a medium and consequently of the jet quenching parameter $\hat{q}$.
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