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Study of Semileptonic Decays of B Mesons to Charmed Baryons

CLEO Collaboration·G. Bonvicini et al
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Abstract

Using data collected by the CLEO II detector at the center-of-mass energy on or near the Upsilon(4S) resonance, we have determined the 90% confidence level upper limit B(Bbar --> Lambda_c^+ e- X)/B(Bbar --> Lambda_c^+ X, Lambdabar_c^- X) < 0.05 for electrons with momentum above 0.6 GeV/c. We have also derived the ratio B(B^- --> Lambda_c^+ pbar e- nubar_e)/B(Bbar --> Lambda_c^+ pbar X) < 0.04 at the 90% confidence level and measured the ratio B(Bbar --> Lambda_c^+ pbar X)/B(Bbar --> Lambda_c^+ X, Lambdabar_c^- X) = 0.57 +- 0.05 +- 0.05.

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CLEO Collaboration, G. Bonvicini et al. 1997-12-05. Study of Semileptonic Decays of B Mesons to Charmed Baryons. https://doi.org/10.1103/physrevd.57.6604

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