Search for neutrinoless decays tau ---> l h h and tau ---> l V0

Collaboration
Mar, 2006

Citations per year

200620082010201220140246810
Abstract:
We have searched for neutrinoless tau lepton decays into l h h or l V0, where l stands for an electron or muon, h for a charged light hadron, pi or K, and V0 for a neutral vector meson, rho, K*(892) and phi, using a 158 /fb data sample collected with the Belle detector at the KEKB e+e- collider. Since the number of events observed are consistent with the expected background, we set upper limits on the branching fractions in the range of 1.6-8.0 x 10-7 for various decay modes at the 90% confidence level.
  • 13.35.Dx
  • 12.60.-i
  • 11.30.-j
  • 14.60.Fg
  • TAU lepton flavor violation
  • electron positron: colliding beams
  • electron positron: annihilation
  • tau: pair production
  • tau: semileptonic decay
  • final state: (0neutrino)