Abstract
The processes and are studied over a continuum of energies from threshold to 4 GeV with the initial-state photon radiation method. Using of data collected with the BABAR detector at the SLAC PEP-II storage ring, the first measurements of the cross sections for these processes are obtained. The intermediate resonance structures from , , and are studied. The is observed in all of these channels, and corresponding branching fractions are measured.
16 More- Received 19 April 2017
DOI:https://doi.org/10.1103/PhysRevD.95.092005
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