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. 2007 Nov 30;99(22):221801.
doi: 10.1103/PhysRevLett.99.221801. Epub 2007 Nov 28.

Observation of the decay B+ --> K+K-pi+

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WinstromE ChenC H ChengF FangD G HitlinI NarskyT PiatenkoF C PorterR AndreassenG MancinelliB T MeadowsK MishraM D SokoloffF BlancP C BloomS ChenW T FordJ F HirschauerA KreiselM NagelU NauenbergA OlivasJ G SmithK A UlmerS R WagnerJ ZhangA M GabareenA SofferW H TokiR J WilsonF WinklmeierD D AltenburgE FeltresiA HaukeH JasperJ MerkelA PetzoldB SpaanK WackerV KloseM J KobelH M LackerW F MaderR NogowskiJ SchubertK R SchubertR SchwierzJ E SundermannA VolkD BernardG R BonneaudE LatourV LombardoCh ThiebauxM VerderiP J ClarkW GradlF MuheimS PlayferA I RobertsonJ E WatsonY XieM AndreottiD BettoniC BozziR CalabreseA CecchiG CibinettoP FranchiniE LuppiM NegriniA PetrellaL PiemonteseE PrencipeV SantoroF AnulliR Baldini-FerroliA CalcaterraR de SangroG FinocchiaroS PacettiP PatteriI M PeruzziM PiccoloM RamaA ZalloA BuzzoR ContriM Lo VetereM M MacriM R MongeS PassaggioC PatrignaniE RobuttiA SantroniS TosiK S ChaisanguanthumM MoriiJ WuR S DubitzkyJ MarksS SchenkU UwerD J BardP D DaunceyR L FlackJ A 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Free article

Observation of the decay B+ --> K+K-pi+

B Aubert et al. Phys Rev Lett. .
Free article

Abstract

We report the observation of charmless hadronic decays of charged B mesons to the final state K{+}K{-}pi{+}. Using a data sample of 347.5 fb{-1} collected at the Upsilon(4S) resonance with the BABAR detector, we observe 429+/-43 signal events with a significance of 9.6sigma. We measure the inclusive branching fraction B(B{+}-->K{+}K{-}pi{+})=[5.0+/-0.5(stat)+/-0.5(syst)]x10{-6}. Inspection of the Dalitz plot of signal candidates shows a broad structure peaking near 1.5 GeV/c{2} in the K+K- invariant mass distribution. We find the direct CP asymmetry to be consistent with zero.

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