We use the perturbative QCD methods of Lepage and Brodsky to calculate the rate for $\overline{B}\to {\chi }_c{K}_S$. We find agreement with recent ARGUS data. We compare our results with those of Kaplan, Kuhn, Nussinov, and Ruckl—there is no disagreement between our work and that of these authors.

• Received 28 October 1992

DOI:https://doi.org/10.1103/PhysRevD.47.2832