Abstract
A sample of -lepton decays to and observed in the high-resolution spectrometer at the SLAC storage ring PEP, has been used to place an upper limit on the mass of the tau neutrino of 84 MeV/ at the 95% confidence level.
- Received 10 December 1985
DOI:https://doi.org/10.1103/PhysRevLett.56.1039
©1986 American Physical Society