{
  "id": "hep-ex/0604033",
  "version": "v1",
  "published": "2006-04-17T02:57:36.000Z",
  "updated": "2006-04-17T02:57:36.000Z",
  "title": "Search for D to phi l nu and measurement of the branching fraction for D to phi pi",
  "authors": [
    "M. Ablikim",
    "The BES Collaboration"
  ],
  "comment": "6 pages, 5 figures, to be published in Eur.Phys.J.C",
  "journal": "Eur.Phys.J.C47:39-44,2006",
  "doi": "10.1140/epjc/s2006-02563-1",
  "categories": [
    "hep-ex"
  ],
  "abstract": "Using a data sample of integrated luminosity of about 33 pb$^{-1}$ collected around 3.773 GeV with the BESII detector at the BEPC collider, the semileptonic decays $D^+ \\to \\phi e ^+\\nu_e$, $D^+ \\to \\phi \\mu^+\\nu_\\mu$ and the hadronic decay $D^+ \\to \\phi \\pi^+$ are studied. The upper limits of the branching fractions are set to be $BF(D^+ \\to \\phi e ^+\\nu_e) <$ 2.01% and $BF(D^+ \\to \\phi \\mu^+ \\nu_\\mu) <$ 2.04% at the 90% confidence level. The ratio of the branching fractions for $D^+ \\to \\phi \\pi^+$ relative to $D^+ \\to K^-\\pi^+\\pi^+$ is measured to be $0.057 \\pm 0.011 \\pm 0.003$. In addition, the branching fraction for $D^+ \\to \\phi \\pi^+$ is obtained to be $(5.2 \\pm 1.0 \\pm 0.4) \\times 10^{-3}$.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2006-04-17T02:57:36.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "branching fraction",
      "phi pi",
      "measurement",
      "besii detector",
      "confidence level"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 714504,
      "adsabs": "2006hep.ex....4033A"
    }
  }
}