Phys. Rev. Lett. 85, 515 - 519 (2000)

Observation of B → K^±π⁰ and B → K⁰π⁰, and Evidence for B → π⁺π^-

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D. Cronin-Hennessy et al. (CLEO Collaboration)
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Received 27 December 1999

We have studied charmless hadronic decays of B mesons into two-body final states with kaons and pions and observe three new processes with the following branching fractions: B(B→π⁺π^-) = (4.3_-1.4^+1.6±0.5)×10^-6, B(B→K⁰π⁰) = (14.6_-5.1-3.3^+5.9+2.4)×10^-6, and B(B→K^±π⁰) = (11.6_-2.7-1.3^+3.0+1.4)×10^-6. We also update our previous measurements for the decays B→K^±π^∓ and B^±→K⁰π^±.

URL: http://link.aps.org/abstract/PRL/v85/p515
DOI: 10.1103/PhysRevLett.85.515
PACS: 13.25.Hw, 14.40.Nd

^* Permanent address: Yonsei University, Seoul 120-749, Korea.
^† Permanent address: University of Cincinnati, Cincinnati, OH 45221.
^‡ Permanent address: Massachusetts Institute of Technology, Cambridge, MA 02139.
^§ Permanent address: University of Texas–Pan American, Edinburg, TX 78539.

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Phys. Rev. Lett. 85, 515 - 519 (2000)

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PRL Celebrates 50 Years

Observation of B → K^±π⁰ and B → K⁰π⁰, and Evidence for B → π⁺π^-