Search for B+ -> J/psi eta' K+ and B0 -> J/psi eta' Ks0 Decays
Abstract
We report the results of searches for B+ -> J/psi eta' K+ and B0 -> J/psi eta' Ks0 decays, using a sample of 388 x 106 BBbar pairs collected with the Belle detector at the Upsilon(4S) resonance. No statistically significant signal is found for either of the two decay modes and upper limits for the branching fractions are determined to be B(B+ -> J/psi eta' K+) < 8.8 x 10-5 and B(B0 -> J/psi eta' Ks0) < 2.5 x 10-5 at 90% confidence level.
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