Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-05-20
Phys.Lett.B668:11-13,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages
Scientific paper
10.1016/j.physletb.2008.08.009
We present a picture of hard processes in a hot plasma in terms of the hard scale part of the process, where perturbative QCD should be applicable, and the soft scale part of the process, where we look to the AdS/CFT correspondence for guidance to possible strong effective coupling phenomena. In particular we estimate $\hat{q}$, the transport coefficient, supposing that at soft scales partons in the plasma all cascade to small-$x$-values as indicated by strong coupling SYM theory.
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