The polarization of τ leptons in the reaction e+e- → τ+τ- has been measured using a e+e- collider, TRISTAN, at the center-of-mass energy of 58 GeV. From the kinematical distributions of daughter particles in τ → eνν̄, μνν̄, ρν or π(K)ν decays, the average polarization of τ- and its forward-backward asymmetry have been evaluated to be 0.012±0.058 and 0.029±0.057, respectively.
|Number of pages||8|
|Journal||Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics|
|Publication status||Published - Jun 19 1997|
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics