First observation of the cabibbo suppressed decay B+ → D¯0 K+

CLEO Collaboration

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Abstract

We have observed the decay B+ → D¯0 K+, using 3.3 × 106 BB¯ pairs collected with the CLEO II detector at the Cornell Electron Storage Ring. We find the ratio of branching fractions R ≡ B (B+ → D¯0 K+)/B (B+ → D¯0 π+) = 0.055 ± 0.014 ± 0.005.

Original languageEnglish
Pages (from-to)5493-5497
Number of pages5
JournalPhysical Review Letters
Volume80
Issue number25
DOIs
StatePublished - 1998

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