European Organisation for Nuclear Research a Measurement of Polarization at Lep

@inproceedings{EuropeanOF,
  title={European Organisation for Nuclear Research a Measurement of Polarization at Lep},
  author={}
}
    With a data sample of 86 000 Z ! + ? have measured the polarization of-leptons as a function of the production polar angle using the following 1-prong decay modes: and ? ! a ? 1. We obtain for the ratio of vector to axial-vector weak neutral couplings for electrons g Ve =g Ae = 0:0791 0:0099(stat) 0:0025(syst) and taus g V =g A = 0:0752 0:0063(stat) 0:0045(syst) consistent with the hypothesis of e ? universality. Assuming universality of the e ? neutral current we determine the eeective… CONTINUE READING