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EPJ C - Particles and Fields
Particles and Fields
\n This email address is being protected from spambots. You need JavaScript enabled to view it. ), CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> Eur. Phys. J. C 17, 437-445
DOI 10.1007/s100520000475

Parton counting: physical and computational complexity
of multi-jet production at hadron colliders

P.D. Draggiotis1,2 - R. Kleiss1

1 University of Nijmegen, Nijmegen, The Netherlands
2 Institute of Nuclear Physics, NCSR $\Delta\eta\mu \acute{o} \kappa \varrho \iota \tau o \varsigma$, 15310 Athens, Greece

Received: 15 June 2000 / Published online: 25 September 2000 - © Springer-Verlag 2000

Abstract
We present an enumeration of all possible amplitudes that contribute to an n-jet process in QCD. We estimate the number of amplitudes for large number of jets and determine the actual number of amplitudes to be calculated, which is smaller due to relabelling among (massless) quark flavours.

Copyright Società Italiana di Fisica, Springer-Verlag 2000

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