The analysis of the lepton angular distribution at LEP is reviewed and the specific concerns in the case of e+e- final state are singled out. Studies of the physical information contained in the e+e- angular distribution are shown to justify the need for a new approach. Two different solutions that enable the complete use of the angular distribution information for the extraction of the Z parameters are presented. We show that these approaches have accuracies well above the future experimental needs. © 1993 Springer-Verlag.
|Journal||Zeitschrift für Physik C Particles and Fields|
|Publication status||Published - 1 Mar 1993|