Abstract
We have observed events of the type in interactions at center-of-mass energies above 6 GeV. The properties of the events are consistent with their coming from the heavy-lepton decays and or . The three-charged-pion invariant-mass distribution shows a significant peak at a mass 1.1 GeV/. We find the branching ratio into three charged and any number of neutral pions .
- Received 13 February 1978
DOI:https://doi.org/10.1103/PhysRevLett.40.1120
©1978 American Physical Society