2013

Medium-Induced QCD Cascade: Democratic Branching and Wave Turbulence

Blaizot, Jean-Paul, Iancu, Edmond, Mehtar-Tani, Yacine

Understand

We study the average properties of the gluon cascade generated by an energetic parton propagating through a quark-gluon plasma.

We focus on the soft, medium-induced emissions which control the energy transport at large angles with respect to the leading parton.
We show that the effect of multiple branchings is important.
In contrast with what happens in a usual QCD cascade in vacuum, medium-induced branchings are quasidemocratic, with offspring gluons carrying sizable fractions of the energy of their parent gluon.

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