{ "id": "hep-ex/0510070", "version": "v2", "published": "2005-10-26T09:03:10.000Z", "updated": "2006-02-13T10:48:37.000Z", "title": "Measurements of the Absolute Branching Fractions of B^\\pm --> K^\\pm X_{c\\bar c}", "authors": [ "The BABAR Collaboration", "B. Aubert" ], "comment": "7 pages, 3 postscript figues, submitted to PRL", "journal": "Phys.Rev.Lett.96:052002,2006", "doi": "10.1103/PhysRevLett.96.052002", "categories": [ "hep-ex" ], "abstract": "We study the two-body decays of B^\\pm mesons to K^\\pm and a charmonium state, X_{c\\bar c}, in a sample of 210.5 fb^{-1} of data from the BaBar experiment. We perform measurements of absolute branching fractions BR(B^\\pm --> K^\\pm X_{c\\bar c}) using a missing mass technique, and report several new or improved results. In particular, the upper limit BR(B^\\pm --> K^\\pm X(3872))<3.2 10^-4 at 90% CL and the inferred lower limit BR(X(3872) --> J/\\psi\\pi^+\\pi^-)>4.2% will help in understanding the nature of the recently discovered X(3872).", "revisions": [ { "version": "v2", "updated": "2006-02-13T10:48:37.000Z" } ], "analyses": { "subjects": [ "14.40.Gx", "13.25.Hw" ], "keywords": [ "absolute branching fractions", "upper limit", "two-body decays", "babar experiment", "perform measurements" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "inspire": 696138 } } }