{
  "id": "hep-ph/0610320",
  "version": "v1",
  "published": "2006-10-24T17:50:08.000Z",
  "updated": "2006-10-24T17:50:08.000Z",
  "title": "QCD sum rule approach to the new mesons and the $g_{D_{sJ}DK}$ coupling constant",
  "authors": [
    "Marina Nielsen"
  ],
  "comment": "3 pages 1 eps figure, proceedings of the 36th. International Symposium on Multiparticle Dynamics (ISMD 2006)",
  "journal": "Braz.J.Phys.37:742-744,2007",
  "categories": [
    "hep-ph"
  ],
  "abstract": "We use diquark-antidiquark currents to investigate the masses and partial decay widths of the recently observed mesons $D_{sJ}^{+}(2317)$, $D_0^{*0}(2308)$ and X(3872), considered as four-quark states, in a QCD sum rule approach. In particular we investigate the coupling constant $g_{D_{sJ}DK}$. We found that the $g_{D_{sJ}DK}$ obtained in this four-quark scenario is smaller than the coupling constant obtained when $D_{sJ}^{+}(2317)$ is considered as a conventional $c\\bar{s}$ state.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2006-10-24T17:50:08.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "qcd sum rule approach",
      "coupling constant",
      "partial decay widths",
      "four-quark states",
      "four-quark scenario"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 3,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 729837
    }
  }
}