The Michel parameter eta in tau decays

Oct, 1993
3 pages
Published in:
  • Phys.Lett.B 324 (1994) 121-124
Report number:
  • BONN-HE-93-41

Citations per year

1994200220102018202402468
Abstract: (Elsevier)
The branching ratios of the τ lepton into an electron and into a muon are compared in the framework of a general Lorentz structure of the charged weak current. A value of 0.01 ± 0.05 for the Michel parameter η is extracted using the current world averages.
  • tau: leptonic decay
  • leptonic decay: tau
  • energy spectrum: (lepton)
  • (lepton): energy spectrum
  • Michel parameter
  • tau: branching ratio
  • correction
  • coupling: scalar
  • scalar: coupling
  • numerical calculations