Search for New Particles inAnnihilation from 39.79 to 45.52 GeV
- 9 July 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 53 (2), 134-137
- https://doi.org/10.1103/physrevlett.53.134
Abstract
We have searched for resonances in the reaction , in the energy range GeV, using the Mark J detector at PETRA. We obtain stringent upper limits on the production of toponium and particles postulated to explain events observed at the CERN collider. We also set limits on the mass and coupling constant of excited electrons.
Keywords
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