Resummation and power corrections by Dressed Gluon Exponentiation

Details Resummation and power corrections by Dressed Gluon Exponentiation Resummation and power corrections by Dressed Gluon Exponentiation

2001-11-29

arxiv.org/abs/hep-ph/0111419v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 figures in ps, talk given at XXXI International Symposium on Multiparticle Dynamics, Sept 1-7, 2001, Datong China.

Scientific paper

Event-shape distributions in $e^+e^-$ annihilation offer a unique lab oratory for understanding perturbative and non-perturbative aspects of QCD. Dressed Gluon Exponentiation is a resummation method designed to evaluate differ ential cross sections close to a kinematic threshold and provide the basis for parametrization of power corrections. The method and its application in the case of the thrust and the heavy jet mass distributions in the two-jet region are briefly presented.

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