Abstract
The E760 Collaboration has studied the reaction p̄p→χ2→ γγ using a hydrogen gas jet target in the Fermilab antiproton acumulator ring. The following values are obtained for the branching ratio and partial width to two photons; B(χ2→γγ)=(1.60±0.45) ×10-4 and Γ(χ2→γγ)=321±95 eV.
Original language | English (US) |
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Pages (from-to) | 2988-2991 |
Number of pages | 4 |
Journal | Physical review letters |
Volume | 70 |
Issue number | 20 |
DOIs | |
State | Published - 1993 |
ASJC Scopus subject areas
- General Physics and Astronomy