[SLAC] [SLAC Pubs and Reports]

SLAC-PUB-7277
Power Corrections, Renomarlons and Resummation

Abstract

I briefly review three topics of recent interest concerning power corrections, renormalons and Sudakov resummation: (a) $1/Q$ corrections to event shape observables in $e^+ e^-$ annihilation, (b) power corrections in Drell-Yan production and (c) factorial divergences that arise in resummation of large infrared (Sudakov) logarithms in moment or `real' space.

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