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Due to the dynamical, real-time, nature of the phenomenon, the study of jet quenching via lattice QCD simulations is not straightforward. In this contribution, however, we show how one can extract information about the momentum broadening of a hard parton moving in the quark–gluon plasma, from lattice calculations. After discussing the basic idea (originally proposed by Caron-Huot), we present a recent...
We present a lattice study of the momentum broadening experienced by a hard parton in the quark–gluon plasma. In particular, the contributions to this real-time phenomenon from soft modes are extracted from a set of gauge-invariant operators in a dimensionally-reduced effective theory (electrostatic QCD), which can be simulated on a Euclidean lattice. At the temperatures accessible to present experiments,...
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