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The processes e^+e^− → K^0_SK^±π^∓π^0 and e^+e^− → K^0_SK^±π^∓η are studied over a continuum of energies from threshold to 4 GeV with the initial-state photon radiation method. Using 454 fb^(-1) of… Click to show full abstract
The processes e^+e^− → K^0_SK^±π^∓π^0 and e^+e^− → K^0_SK^±π^∓η are studied over a continuum of energies from threshold to 4 GeV with the initial-state photon radiation method. Using 454 fb^(-1) 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 K^(*0)(Kπ)^0, K^∗(892)^±(Kπ)^∓ , and K^0_SK^±ρ^∓ are studied. The J/ψ is observed in all of these channels, and corresponding branching fractions are measured.
Journal Title: Physical Review D
Year Published: 2017
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