Four-jet production in $e^{+}{e}^{-}$ annihilation at next-to-leading order

Abstract

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 ${\Pi }_1$ and ${\Pi }_4$ 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.

6 pages, 5 figures Latex + twoside,fleqn,espcrc2,epsf,rotate styles

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