Matching matrix elements and parton showers with HERWIG and PYTHIA

@inproceedings{Mrenna2003MatchingME,
title={Matching matrix elements and parton showers with HERWIG and PYTHIA},
author={Stephen Mrenna},
year={2003}
}

We report on our exploration of matching matrix element calculations with the parton-shower models contained in the event generators HERWIG and PYTHIA. We describe results for e+e− collisions and for the hadroproduction of W bosons and DrellYan pairs. We compare methods based on (1) a strict implementation of ideas proposed by Catani et al., (2) a generalization based on using the internal Sudakov form factors of HERWIG and PYTHIA, and (3) a simpler proposal of M. Mangano. Where appropriate, we… CONTINUE READING

Exploring theoretical systematics in the ME-to-shower MC merging for multijet process, E-proceedings of Matrix Element/Monte Carlo Tuning Working Group, Fermilab