Observation of B+ to p Lambdabar pi+ pi- at Belle

P. Chen, M. -Z. Wang

We study charmless $B^{+}$ meson decays to the $p\bar{\Lambda }{\pi }^{+}{\pi }^{-}$ final state using a $605{\mathrm{fb}}^{-1}$ data sample collected at the ${\rm Y}(4S)$ resonance with the Belle detector at the…