SEMIANALYTIC DISTRIBUTIONS IN FOUR FERMION NEUTRAL CURRENT PROCESSES

Abstract

Analytical formulae for triple differential distributions ${\mathrm{d}}^3\sigma /(\mathrm{d}\cos \theta \mathrm{d}{s}_1\mathrm{d}{s}_2)$ in the neutral current process $e^{+}{e}^{-}\to f_1{\bar{f}}_1{f}_2{\bar{f}}_2$ are given. They allow to obtain angular distributions, rapidity distributions and transversal momentum distributions of one fermion pair by only two numerical integrations. Cuts can be applied to the integration variables.

Comments: 10 latex pages; typing errors in eqs. (A.9), (A.11) and (A.12) are now corrected