Report of the QCD Working Group

The activities of the QCD working group concentrated on improving the understanding and Monte Carlo simulation of multi-jet final states due to hard QCD processes at LEP, i.e. quark-antiquark plus multi-gluon and/or secondary quark production, with particular emphasis on four-jet final states and b-...

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Main Authors Ballestrero, A, Bambade, P, Bravo, S, Cacciari, M, Costa, M, deBoer, W, Dissertori, G, Flagmeyer, U, Fuster, J, Hamacher, K, Krauss, F, Kuhn, R, Lonnblad, L, Marti, S, Rehn, J, Rodrigo, G, Seymour, M. H, Sjostrand, T, Trocsanyi, Z, Webber, B. R
Format Journal Article
LanguageEnglish
Published 22.06.2000
Subjects
Physics - High Energy Physics - Phenomenology
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Summary:The activities of the QCD working group concentrated on improving the understanding and Monte Carlo simulation of multi-jet final states due to hard QCD processes at LEP, i.e. quark-antiquark plus multi-gluon and/or secondary quark production, with particular emphasis on four-jet final states and b-quark mass effects. Specific topics covered are: relevant developments in the main event generators PYTHIA, HERWIG and ARIADNE; the new multi-jet generator APACIC++; description and tuning of inclusive (all-flavour) jet rates; quark mass effects in the three- and four-jet rates; mass, higher-order and hadronization effects in four-jet angular and shape distributions; b-quark fragmentation and gluon splitting into b-quarks.
DOI:10.48550/arxiv.hep-ph/0006259