{ "id": "hep-ex/0110065", "version": "v1", "published": "2001-10-26T01:46:31.000Z", "updated": "2001-10-26T01:46:31.000Z", "title": "Measurement of B-->K*gamma Branching Fractions and Charge Asymmetries", "authors": [ "B. Aubert" ], "comment": "7 pages, 3 figures, submitted to Physical Review Letters", "journal": "Phys.Rev.Lett.88:101805,2002", "doi": "10.1103/PhysRevLett.88.101805", "categories": [ "hep-ex" ], "abstract": "The branching fractions of the exclusive decays $B^0\\to K^{*0}\\gamma$ and $B^+ \\to K^{*+}\\gamma$ are measured from a sample of $(22.74\\pm 0.36)\\times 10^6$ $B\\bar B$ decays collected with the BABAR detector at the PEP II asymmetric $e^{+}e^{-}$ collider. We find ${\\cal B}(B^0\\to K^{*0}\\gamma) = (4.23\\pm 0.40({\\rm stat.})\\pm 0.22({\\rm sys.}))\\times 10^{-5}$, ${\\cal B}(B^+\\to K^{*+}\\gamma) = (3.83\\pm 0.62({\\rm stat.})\\pm 0.22({\\rm sys.}))\\times 10^{-5}$ and constrain the CP-violating charge asymmetry to be $-0.170 < A_{CP}(B \\to K^*\\gamma) < 0.082$ at 90% C.L.", "revisions": [ { "version": "v1", "updated": "2001-10-26T01:46:31.000Z" } ], "analyses": { "keywords": [ "branching fractions", "measurement", "cp-violating charge asymmetry", "babar detector" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "inspire": 564974 } } }