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High Energy Physics Seminars

ics High Energy
Wednesday, January 26, 2011
3:30 PM
Physics Building, Room 204
Abhijit Majumder [Host: Peter Arnold]
Ohio State
"Setting up jet-modification as a probe of QCD media at HERA, RHIC and LHC"
ABSTRACT:
The modification of hard jets in dense extended media such as large nuclei or a deconfined quark gluon plasma will be described in a factorized formalism where the hard partons couple weakly with the medium, where the medium may itself be strongly or weakly coupled. The effect of the medium will be parametrized in a handful of transport coefficients which are obtained as the in-medium expectation of well defined operator products. We will attempt to describe the attenuation of the yield of leading hadrons in DIS at HERA and heavy-ion collisions at RHIC as well as the centrality, azimuthal anisotropy and flavor dependence (at RHIC) in a single formalism. Also preliminary results from a new Monte-Carlo event generator based on this formalism will be presented and compared with the new LHC measurements of dijet asymmetry.

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