Evidence for B0→χc1π0 at Belle
Journal
Physical Review D - Particles, Fields, Gravitation and Cosmology
Journal Volume
78
Journal Issue
091104
Pages
-
Date Issued
2008
Date
2008
Author(s)
Abstract
We present a measurement of the branching fraction for the Cabibbo- and color-suppressed B0→χc1π0 decay based on a data sample of 657×106BB̄ events collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We observe a signal of 40±9 events with a significance of 4.7σ including systematic uncertainties. The measured branching fraction is B(B0→χc1π0)=(1. 12±0.25(stat)±0.12(syst.))×10-5. © 2008 The American Physical Society.
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