Power Corrections to Event Shapes in Deep Inelastic Scattering

Details Power Corrections to Event Shapes in Deep Inelastic Scattering Power Corrections to Event Shapes in Deep Inelastic Scattering

1997-04-11

arxiv.org/abs/hep-ph/9704297v1

Eur.Phys.J.C1:539-546,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, LaTeX, 7 eps figures, uses epsfig.sty

Scientific paper

10.1007/s100520050103

We investigate the power-suppressed corrections to the mean values of various quantities that characterise the shapes of final states in deep inelastic lepton scattering. Our method is based on an analysis of one-loop Feynman graphs containing a massive gluon, which is equivalent to the evaluation of leading infrared renormalon contributions. As in $\ee$ annihilation, we find that the leading corrections are proportional to $1/Q$. We give quantitative estimates based on the hypothesis of a universal low-energy effective coupling.

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