Abstract
The reaction e+e-e+e-0 0 has been observed with the Crystal Ball detector at the DORIS II storage ring at DESY. The 0 0 mass spectrum is dominated by the , and the two-photon width is determined to be 4.6 0.4 0.6 keV. Limits on X ×BX are given for other possible states.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2633-2640 |
| Number of pages | 8 |
| Journal | Physical Review D |
| Volume | 36 |
| Issue number | 9 |
| DOIs | |
| State | Published - 1987 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
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