Measurement of inclusive production of charmonium states in B meson decays

Details Measurement of inclusive production of charmonium states in B meson decays Measurement of inclusive production of charmonium states in B meson decays

2000-08-23

arxiv.org/abs/hep-ex/0008049v1

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, 4 postscript figures, contributed paper to ICHEP2000

Scientific paper

We reconstruct the charmonium mesons J/psi, psi(2S) and chi_C1 using a sample of 8.46 x 10^6 B-anti-B events collected by the BABAR detector operating at e^+e^- center of mass energies near the Y(4S) resonance. By measuring rates relative to the branching fraction of the J/psi, we obtain preliminary inclusive B branching fractions of (0.25+/-0.02+/-0.02)% to the psi(2S) and (0.39+/-0.04+/-0.04)% to the chi_C1, and set a 90% confidence level limit of 0.24% on decays through the chi_C2.

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