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Search for massive photon pair production at the CERN intersecting storage rings |
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| Authors: | C Kourkoumelis L K Resvanis T A Filippas E Fokitis R B Palmer D C Rahm P Rehak I Stumer C W Fabjan T Fields D Lissauer I Mannelli P Mouzourakis A Nappi W J Willis M Goldberg |
| Institution: | 1. University of Athens, Greece 2. National Technical University, Athens, Greece 3. Brookhaven National Laboratory, Upton, NY, USA 4. CERN, CH-1211, Geneva, Switzerland 10. Syracuse University, Syracuse, NY, USA |
| Abstract: | A search for massive photon pair production at \(\sqrt s = 63 GeV\) has been carried out on the data sample previously employed for the electron pair production study. Positive evidence is reported form γγ>6GeV, with a production cross-section similar to Drell-Yan electron pairs. The ratio γγ/π0π0 was measured to be ～10?3 for ap T of each γ or γ or π0 above 3 GeV/c. |
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