2020 Impact factor 4.590
Particles and Fields
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

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