{ "id": "hep-ph/9401327", "version": "v1", "published": "1994-01-25T19:50:47.000Z", "updated": "1994-01-25T19:50:47.000Z", "title": "A Theoretical Prediction for Exclusive Decays $B \\rightarrow K(K^*) η_c$", "authors": [ "Mohammad R. Ahmady", "Roberto R. Mendel" ], "comment": "6 pages, LaTex", "journal": "Z. Phys. C65 (1995) 263-266", "doi": "10.1007/BF01571882", "categories": [ "hep-ph" ], "abstract": "The decay rates for the exclusive B decays $B \\rightarrow K \\eta_c $ and $B \\rightarrow K^* \\eta_c$ are calculated in the context of the heavy quark effective theory. We obtain $\\Gamma (B \\rightarrow K \\eta_c )/\\Gamma (B\\rightarrow K\\psi )=1.6 \\pm 0.2$ and $\\Gamma (B\\rightarrow K^*\\eta_c)/\\Gamma (B \\rightarrow K^*\\psi )=0.39 \\pm 0.04$. These results lead to estimates $BR(B \\rightarrow K \\eta_c)=(0.11 \\pm 0.02) \\% $ and $BR(B \\rightarrow K^* \\eta_c)= (0.05 \\pm 0.01) \\% $ if we use the central current experimental values for $B\\rightarrow (K,K^*)\\psi $ branching ratios.", "revisions": [ { "version": "v1", "updated": "1994-01-25T19:50:47.000Z" } ], "analyses": { "keywords": [ "exclusive decays", "theoretical prediction", "central current experimental values", "heavy quark effective theory", "decay rates" ], "tags": [ "journal article" ], "publication": { "publisher": "Springer", "journal": "Commun. Math. Phys." }, "note": { "typesetting": "LaTeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable", "inspire": 37160 } } }