We have determined the following ψ′ branching ratios using the large event sample collected by Fermilab experiment E835 in the reaction pp̄→ψ′: B(ψ′→e+e-)=(7.4±0.2±0.7) × 10-3, B(ψ′→J/ψπ0π0) = (18.7±0.9±1.3)% and B(ψ′→J/ψη) = (4.1±0.3±0.5)%.
|Original language||English (US)|
|Number of pages||8|
|Journal||Physical Review D - Particles, Fields, Gravitation and Cosmology|
|State||Published - Aug 1 2000|
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)