Final results on muon and tau pair production by the JADE Collaboration at PETRA

UNSPECIFIED (1990) Final results on muon and tau pair production by the JADE Collaboration at PETRA. Zeitschrift für Physik C Particles and Fields, 46 (4). pp. 547-553. ISSN 0170-9739

Abstract

The cross-sections and the forward-backward charge asymmetries of muon and tau pairs produced ine + e − collisions at s√=35GeV have been measured by the JADE Collaboration. The cross-sections, σμ(s√=GeV)=69.79±1.35±1.40pb and σμ(s√=GeV)=71.72±1.48±1.61pb , are in agreement with the QED α3 prediction. The charge asymmetries areA μ=−(9.9±1.5±0.5)% andA τ=−(8.1±2.0±0.6)% in agreement with the value −9.2% predicted by the standard model, usingM Z=91.0 GeV and sin2θ W =0.230.