Resummed $C$-Parameter Distribution in $e^{+}{e}^{-}$ Annihilation

Abstract

We give perturbative predictions for the distribution of the $C$-Parameter event shape variable in $e^{+}{e}^{-}$ annihilation, including resummation of large logarithms in the two-jet (small-$C$) region, matched to next-to-leading order results. We also estimate the leading non-perturbative power correction and make a preliminary comparison with experimental data.

12 pages, LaTeX, 3 figures

References in corpus (2)

• Power Corrections to Event Shape Distributions
• Infrared Safe but Infinite: Soft-Gluon Divergences Inside the Physical Region

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