Observation of $B^+ \to χ_{c0} K^+ $
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We report the first observation of the decay $B^+ \to χ_{c0} K^+$ using 21.3 fb$^{-1}$ of data collected by the Belle detector at the $Υ$(4S) resonance. The preliminary result for the branching fraction is ${\cal{B}}(B^+\to χ_{c0}K^+)=(8.0^{+2.7}_{-2.4}\pm 1.0\pm 1.1)\times 10^{-4}$ where the first error is statistical, the second is systematic, and the third comes from the uncertainty in the $χ_{c0}\toπ^+π^-$ branching fraction.
Paper submitted to the 2001 Lepton Photon Conference
Paper submitted to the 2001 Lepton Photon Conference