We present a partonic Monte Carlo event generator that can be used for calculating the group independent kinematical functions of any infrared safe four-jet observable at NLO accuracy. As an example, we calculate the differential distribution of the Π1 and Π4 Fox-Wolfram moments. We find large K factors (K > 2). The effect of the radiative correction is to increase the overall normalization, but not to reduce the renormalization scale dependence significantly.
@article{arxiv.hep-ph/9708344,
title = {Four-jet production in $e^+e^-$ annihilation at next-to-leading order},
author = {Zoltan Nagy and Zoltan Trocsanyi},
journal= {arXiv preprint arXiv:hep-ph/9708344},
year = {2009}
}