Search for Exclusive Rare Baryonic Decays of $B$ Mesons

Details Search for Exclusive Rare Baryonic Decays of $B$ Mesons Search for Exclusive Rare Baryonic Decays of $B$ Mesons

1998-10-27

arxiv.org/abs/hep-ex/9810043v2

Phys.Rev.D59:111101,1999

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, postscript file also available through http://w4.lns.cornell.edu/public/CLNS

Scientific paper

10.1103/PhysRevD.59.111101

We report the results of a search for the rare baryonic decay modes B -> Lambda Lambdabar, B -> Lambdabar p, B -> Lambdabar p pi, and B -> p pbar using 5.8M BBbar pairs collected with the CLEO detector. We see no statistically significant signals in any of these modes and set 90% confidence level upper limits on their branching fractions, B(B -> Lambda Lambdabar) < 3.9 \times 10^{-6}, B(B -> Lambdabar p) < 2.6 \times 10^{-6}, B(B -> Lambdabar p pi) < 1.3 \times 10^{-5}, and B(B -> p pbar) < 7.0 \times 10^{-6}.

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