Nuclear Theory/RIKEN Seminar

"The jet quenching parameter q-hat, and its relation to the TMDPDF"

Presented by Abhijit Majumdar, Wayne State University

Friday, May 20, 2016, 2:00 pm — Small Seminar Room, Bldg. 510

Based on prior work by the JET collaboration, the importance of the factorization and scale evolution of the jet quenching parameter q-hat will be outlined. This will turn out to be important for both phenomenological extractions of q-hat as well as for first principle determinations on the lattice. I will argue that for jets at RHIC and LHC, q-hat does not lie within the range of Bjoerken-x where small x effects would be considered to be dominant. Given this situation, q-hat will be found to be an integral over an operator product separated in both light-cone and transverse distance, but somewhat different from a ``traditional'' TMDPDF. This new distribution will be studied at Next-to-Leading Order and the fate of non-standard divergences discussed.

Hosted by: Soeren Schlichting

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