Matching Parton Showers and Matrix Elements

Abstract

We compare different procedures for combining fixed-order tree-level matrix element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different implementations of the so-called CKKW scheme and one based on the so-called MLM scheme using different matrix element generators and different parton cascades. We find that although similar results are obtained in all cases, there are important differences.

Proceedings of the "HERA and the LHC" workshop, CERN/DESY 2004/2005

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