05 1 v 1 2 0 Ju l 2 00 1 BELLE - CONF - 0114 Study of three - body charmless B decays at Belle
نویسندگان
چکیده
Using a data sample of 21.3 fb collected by the Belle detector, three body charmless decays B → Khh have been studied. With no assumptions on the intermediate mechanisms, the following branching fractions have been measured for the first time B(B+ → Kππ) = (58.5±7.1±8.8)×10−6 and B(B+ → KKK) = (37.0±3.9±4.4)×10−6 . We also present the first observations of the decay mode B → K(892)π with a branching fraction of B(B+ → K(892)π) = (16.7 −3.4−2.1−5.9)×10 and the decay mode B → f0(980)K with a product branching fraction of B(B+ → f0(980)K)× B(f0(980) → ππ) = (11.7 −2.7−1.5−1.0)× 10. Typeset using REVTEX
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