Abstract

Initial running of the CLEO-c detector has provided the world's largest sample of ψ(3770) decays. Using this data sample, we have reconstructed D mesons decaying to hadronic final states and have used them to tag events with a charm-anti-charm pair. In this contribution, we present preliminary results from this data sample, which constitute a first step towards measurements of semileptonic decay form factors and the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements Vcs and Vcd with the full CLEO-c data set to be collected in the near future.

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