W+jets matrix elements and the dipole cascade

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Published 22 July 2005 Published under licence by IOP Publishing Ltd
, , Citation Nils Lavesson and Leif Lönnblad JHEP07(2005)054 DOI 10.1088/1126-6708/2005/07/054

1126-6708/2005/07/054

Abstract

We extend the algorithm for matching fixed-order tree-level matrix element generators with the Dipole Cascade Model in Ariadne to apply to processes with incoming hadrons. We test the algoritm on for the process W+n jets at the Tevatron, and find that the results are fairly insensitive to the cutoff used to regularize the soft and collinear divergencies in the tree-level matrix elements. We also investigate a few observables to check the sensitivity to the matrix element correction.

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10.1088/1126-6708/2005/07/054