Abstract
We present the results of a search for resonantlike structures in the two-photon decay channel of the e+-e- system at energies corresponding to the anomalous peaks seen at Gesellschaft für Schwerionen-forschung in heavy-ion reactions. Within our sensitivity, no evidence for resonances at the 3% level was found. This enables us to exclude the existence of a Wong-Becker-type particle and to set an upper limit on the ratio e+e-0.7 at 810 keV.
| Original language | English |
|---|---|
| Pages (from-to) | 2242-2245 |
| Number of pages | 4 |
| Journal | Physical Review Letters |
| Volume | 60 |
| Issue number | 22 |
| DOIs | |
| Publication status | Published - 1988 |
| Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy