We have searched for the Cabibbo-suppressed decay in e+e- collisions using a data sample corresponding to an integrated luminosity of 915 fb^−1. The data were collected by the Belle experiment atthe KEKB e+e- asymmetric-energy collider running at or near the ϒ(4S) and ϒ(5S) resonances.
Keyword
High energy physics; Particle physics; Collider physics