Soft Gluon Resummation for Heavy Quark Electroproduction
Eric Laenen, Sven-Olaf Moch
Abstract
We present the threshold resummation for the cross section for electroproduction of heavy quarks. We work to next-to-leading logarithmic accuracy, and in single-particle inclusive kinematics. We provide next-to-leading and next-to-next-to-leading order expansions of our resummed formula, and examine numerically the quality of these finite order approximations. For the case of charm we study their impact on the structure function F2 and its differential distribution with respect to the charm transverse momentum.
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