First observation of five charmless hadronic B decays

Details First observation of five charmless hadronic B decays First observation of five charmless hadronic B decays

1998-03-28

arxiv.org/abs/hep-ex/9803028v1

Physics

High Energy Physics

High Energy Physics - Experiment

19 pages, latex, 11 embedded figures

Scientific paper

There has been much progress in measurements of charmless hadronic B decays during 1997. Building on the previous indications from CLEO and LEP, CLEO now has clear signals in five exclusive final states: K^+\pi^, K^0\pi^+, etapr K^+, etapr K^0, and omega K^+. The branching fractions for the etapr K modes are several times larger than the others. A similar strikingly large signal has been seen in the inclusive decay, B->etapr X_S. All of these signals would appear to be dominated by hadronic penguin processes. (Invited talk presented at the Seventh International Symposium On Heavy Flavor Physics, Santa Barbara, CA, July 7-11, 1997.)

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