Abstract
Using a double arm electromagnetic calorimeter we have searched for narrow states produced in the exclusive reaction π-p→γγn at 13 GeV/c. No enhancements were observed in the mass range 2.0-4.0 GeV/c2. For example, the 90% confidence limit on ηc production is σ(π-p→ηcn)× B(ηc→γγ) < 44 pb.
Original language | English (US) |
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Pages (from-to) | 145-148 |
Number of pages | 4 |
Journal | Physics Letters B |
Volume | 140 |
Issue number | 1-2 |
DOIs | |
State | Published - May 31 1984 |
Externally published | Yes |
ASJC Scopus subject areas
- Nuclear and High Energy Physics