Study of three-body charmless<i>B</i>decays
Study of three-body charmless<i>B</i>decays
We report on a study of three-body charmless decays B+→K+h+h− based on a 29.1fb−1 data sample collected with the Belle detector. With no assumptions on the intermediate mechanisms, the following three-body branching fractions have been measured for the first time: B(B+→K+π−π+)=(55.6±5.8±7.7)×10−6 and B(B+→K+K−K+)=(35.3±3.7±4.5)×10−6. We present the first observation of the …