Charm Decays at BABAR

Details Charm Decays at BABAR Charm Decays at BABAR

2004-10-04

arxiv.org/abs/hep-ex/0410009v1

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 3 figures, proceedings from ICHEP 2004

Scientific paper

The results of several studies of charmed mesons and baryons at BABAR are presented. First, searches for the rare decays D0 --> l+ l- are presented and new upper limits on these processes are established. Second, a measurement of the branching fraction of the isospin-violating hadronic decay Ds*(2112)+ --> Ds+ pi0 relative to the radiative decay Ds*(2112)+ --> Ds+ gamma is made. Third, the decays of DsJ*(2317)+ and DsJ(2460)+ mesons are studied and ratios of branching fractions are measured. Fourth, Cabibbo-suppressed decays of the Lambdac+ are examined and their branching fractions measured relative to Cabibbo-allowed modes. Fifth, the Xic0 is studied through its decays to Xi- pi+ and Omega- K+; in addition to measuring the ratio of branching fractions for Xic0 produced from the cc continuum, the uncorrected momentum spectrum is measured, providing clear confirmation of Xic0 production in B decays.

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