A sample of J+- decays produced by a 225-GeV/c - beam on nuclear targets has been analyzed for extra muons. Muons observed in coincidence with J production could indicate either the production of charmed particles or the production of pairs of J particles. We find 90% confidence limits of JDD-J<0.016 for associated charm production and JJJ<0.005 for the production of J pairs.
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)