{ "id": "hep-ex/0702043", "version": "v2", "published": "2007-02-27T00:45:39.000Z", "updated": "2007-07-13T16:18:11.000Z", "title": "Observation of $B^+\\toρ^+K^0$ and Measurement of its Branching Fraction and Charge Asymmetry", "authors": [ "B. Aubert", "BaBar Collaboration" ], "comment": "7 pages, 1 figure, Physical Review D 76, 011103 (R), 2007", "journal": "Phys.Rev.D76:011103,2007", "doi": "10.1103/PhysRevD.76.011103", "categories": [ "hep-ex" ], "abstract": "We present the first observation of the decay $B^+\\to\\rho^+K^0$, using a data sample of 348 fb$^{-1}$ collected at the $\\Upsilon(4S)$ resonance with the \\babar detector.The branching fraction and charge asymmetry are measured to be $(8.0^{+1.4}_{-1.3}\\pm0.6)\\times10^{-6}$ and ($-12.2\\pm16.6\\pm2.0)%$, respectively, where the first uncertainty is statistical and the second is systematic. The significance of the observed branching fraction, including systematic uncertainties, is 7.9 standard deviations.", "revisions": [ { "version": "v2", "updated": "2007-07-13T16:18:11.000Z" } ], "analyses": { "subjects": [ "11.30.Er", "13.25.Hw", "12.15.Hh" ], "keywords": [ "branching fraction", "charge asymmetry", "measurement", "standard deviations", "data sample" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. D" }, "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "inspire": 745396 } } }