Observation of B0pΛ¯π

M.-Z. Wang et al. (Belle Collaboration)
Phys. Rev. Lett. 90, 201802 – Published 22 May 2003

Abstract

We report the first observation of the charmless hyperonic B decay, B0pΛ¯π, using a 78fb1 data sample recorded on the Υ(4S) resonance with the Belle detector at KEKB. The measured branching fraction is B(B0pΛ¯π)=(3.970.80+1.00±0.56)×106. Searches for B0pΛ¯K and pΣ¯0π yield no significant signals and we set 90% confidence-level upper limits of B(B0pΛ¯K)<8.2×107 and B(B0pΣ¯0π)<3.8×106.

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  • Received 18 February 2003

DOI:https://doi.org/10.1103/PhysRevLett.90.201802

©2003 American Physical Society

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Vol. 90, Iss. 20 — 23 May 2003

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