Power corrections for jets at hadron colliders

Details Power corrections for jets at hadron colliders Power corrections for jets at hadron colliders

2007-06-21

arxiv.org/abs/0706.3157v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure. Talk presented by L. Magnea at DIS 2007, Munich, Germany, April 16-20 2007

Scientific paper

We discuss non-perturbative QCD corrections to jet distributions in hadron collisions, focussing on hadronisation and underlying event contributions. Using soft gluon resummation and Monte-Carlo modelling we show that hadronisation dominates at small values of the jet radius R, behaving as 1/R, while underlying event corrections grow with the jet area. This provides a handle to disentangle them and parametrize them in terms of measurable QCD parameters, which might enjoy a degree of universality.

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