{
  "id": "nucl-th/0404011",
  "version": "v1",
  "published": "2004-04-06T03:11:29.000Z",
  "updated": "2004-04-06T03:11:29.000Z",
  "title": "Magnetic moments and electromagnetic radii of nucleon and $Δ(1232)$ in an extended GBE model",
  "authors": [
    "Jun He",
    "Yu-Bing Dong"
  ],
  "comment": "15 pages,5 figures",
  "journal": "Commun.Theor.Phys. 43 (2005) 139-146",
  "categories": [
    "nucl-th"
  ],
  "abstract": "We derive the exchange currents of pseudoscalar, vector, and scalar mesons from Feynman diagrams, and use them to calculate the magnetic form factors of nucleon and $\\Delta(1232)$. The magnetic moments and electromagnetic radii are obtained by using those form factors and the parameters determined from the masses of nucleon and $\\Delta(1232)$. We find the magnetic moments and electromagnetic radii of nucleon and $\\Delta(1232)$ can be produced very well in the extended Goldstone-boson-exchange model (GBE) in which all of pseudoscalar, vector and scalar meson nonet are included. The magnetic moments of $\\Delta(1232)$ are closer to experiment values and results from lattice calculation than the results obtained by the model without other mesons except for pion and sigma.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2004-04-06T03:11:29.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "13.40.Em"
    ],
    "keywords": [
      "magnetic moments",
      "electromagnetic radii",
      "extended gbe model",
      "scalar meson nonet",
      "magnetic form factors"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "doi": "10.1088/0253-6102/43/1/027"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 15,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 647739
    }
  }
}