Observation of the rare decay B0→KS0K±π∓

  • Zhao, M.
  • Yamamoto, R. K.
  • Sciolla, Gabriella
  • Fisher, Peter H.
  • Cowan, Ray Franklin
  • Dujmic, Denis
Publication date
March 2010
Publisher
American Physical Society (APS)
ISSN
1550-7998
Journal
Physical Review D

Abstract

We report an analysis of charmless hadronic decays of neutral B mesons to the final state KS[superscript 0]K±pi∓, using a data sample of (465±5)×10[superscript 6] BB[over-bar] events collected with the BABAR detector at the Υ(4S) resonance. We observe an excess of signal events with a significance of 5.2 standard deviations including systematic uncertainties and measure the branching fraction to be B(B0-->KS[superscript 0]K±pi∓)=(3.2±0.5±0.3)×10[superscript -6], where the uncertainties are statistical and systematic, respectively.Alfred P. Sloan FoundationNational Science Foundation (U.S.)United States. Dept. of Energ

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