Abstract
We have searched for resonances in the reaction e+e-hadrons, and ee, in the energy range 39.79<s<45.52 GeV, using the Mark J detector at PETRA. We obtain stringent upper limits on the production of toponium and particles postulated to explain Z0lepton pair + events observed at the CERN pp collider. We also set limits on the mass and coupling constant of excited electrons.
| Original language | English |
|---|---|
| Pages (from-to) | 134-137 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 53 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1984 |
| Externally published | Yes |
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