Jet broadening in deeply inelastic scattering

Abstract

In deeply inelastic lepton-nucleus scattering (DIS), the average jet transverse momentum is broadened because of the multiple scattering in the nuclear medium. The size of jet broadening is proportional to the multi-parton correlation functions inside nuclei. We show that at leading order, jet broadening in DIS and nulcear enhancement in di-jet momentum imbalance and Drell-Yan $<q_T^2>$ share the same four-parton correlation functions. We argue that jet broadening in DIS provide an indenpendent measurement of the four-parton correlation functions and a test of QCD treatment of multiple scattering.

Latex, 18 pages, five figures; a few typos were corrected

References in corpus (1)

• Nuclear Dependence in Drell-Yan Transverse Momentum Distribution

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