{ "id": "1105.2720", "version": "v1", "published": "2011-05-13T13:18:10.000Z", "updated": "2011-05-13T13:18:10.000Z", "title": "Search for the decay $D^+_{s}\\toωe^+ν$", "authors": [ "CLEO Collaboration", "L. Martin", "A. Powell", "G. Wilkinson", "J. Y. Ge", "D. H. Miller", "I. P. J. Shipsey", "B. Xin", "G. S. Adams", "B. Moziak", "J. Napolitano", "K. M. Ecklund", "J. Insler", "H. Muramatsu", "C. S. Park", "L. J. Pearson", "E. H. Thorndike", "S. Ricciardi", "C. Thomas", "M. Artuso", "S. Blusk", "R. Mountain", "T. Skwarnicki", "S. Stone", "L. M. Zhang", "G. Bonvicini", "D. Cinabro", "A. Lincoln", "M. J. Smith", "P. Zhou", "J. Zhu", "P. Naik", "J. Rademacker", "D. M. Asner", "K. W. Edwards", "K. Randrianarivony", "G. Tatishvili", "R. A. Briere", "H. Vogel", "P. U. E. Onyisi", "J. L. Rosner", "J. P. Alexander", "D. G. Cassel", "S. Das", "R. Ehrlich", "L. Gibbons", "S. W. Gray", "D. L. Hartill", "B. K. Heltsley", "D. L. Kreinick", "V. E. Kuznetsov", "J. R. Patterson", "D. Peterson", "D. Riley", "A. Ryd", "A. J. Sadoff", "X. Shi", "W. M. Sun", "J. Yelton", "P. Rubin", "N. Lowrey", "S. Mehrabyan", "M. Selen", "J. Wiss", "J. Libby", "M. Kornicer", "R. E. Mitchell", "D. Besson", "T. K. Pedlar", "D. Cronin-Hennessy", "J. Hietala", "S. Dobbs", "Z. Metreveli", "K. K. Seth", "A. Tomaradze", "T. Xiao" ], "comment": "18 pages, 9 figures", "journal": "Phys.Rev.D84:012005,2011", "doi": "10.1103/PhysRevD.84.012005", "categories": [ "hep-ex" ], "abstract": "We present the first search for the decay $D^+_{s}\\to \\omega e^{+}\\nu$ to test the four-quark content of the $D^+_{s}$ and the $\\omega$-$\\phi$ mixing model for this decay. We use 586 $\\mathrm{pb}^{-1}$ of $e^{+}e^{-}$ collision data collected at a center-of-mass energy of 4170 MeV. We find no evidence of a signal, and set an upper limit on the branching fraction of $\\mathcal{B}(D^+_{s}\\to\\omega e^+\\nu)<$0.20% at the 90% confidence level.", "revisions": [ { "version": "v1", "updated": "2011-05-13T13:18:10.000Z" } ], "analyses": { "subjects": [ "13.20.Fc" ], "keywords": [ "first search", "four-quark content", "center-of-mass energy", "upper limit", "confidence level" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Physical Review D", "year": 2011, "month": "Jul", "volume": 84, "number": 1, "pages": "012005" }, "note": { "typesetting": "TeX", "pages": 18, "language": "en", "license": "arXiv", "status": "editable", "inspire": 899589, "adsabs": "2011PhRvD..84a2005M" } } }