{
  "id": "0712.1969",
  "version": "v2",
  "published": "2007-12-12T16:20:38.000Z",
  "updated": "2007-12-13T14:57:08.000Z",
  "title": "Delta-excitations and the three-nucleon force",
  "authors": [
    "E. Epelbaum",
    "H. Krebs",
    "Ulf-G. Meißner"
  ],
  "comment": "12 pages, 2 figures; minor changes, reference added",
  "journal": "Nucl.Phys.A806:65-78,2008",
  "doi": "10.1016/j.nuclphysa.2008.02.305",
  "categories": [
    "nucl-th"
  ],
  "abstract": "We study the three-nucleon force in chiral effective field theory with explicit Delta-resonance degrees of freedom. We show that up to next-to-next-to-leading order, the only contribution to the isospin symmetric three-nucleon force involving the spin-3/2 degrees of freedom is given by the two-pion-exchange diagram with an intermediate delta, frequently called the Fujita-Miyazawa force. We also analyze the leading isospin-breaking corrections due to the delta. For that, we give the first analysis of the delta quartet mass splittings in chiral effective field theory. The charge-symmetry breaking three-nucleon force due to an intermediate delta excitation is small, of the order of a few keV.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2007-12-13T14:57:08.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "21.30.-x",
      "13.75.Cs"
    ],
    "keywords": [
      "chiral effective field theory",
      "delta-excitations",
      "isospin symmetric three-nucleon force",
      "delta quartet mass splittings",
      "intermediate delta excitation"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "Elsevier",
      "journal": "Nuclear Physics A",
      "year": 2008,
      "month": "Jun",
      "volume": 806,
      "number": 1,
      "pages": 65
    },
    "note": {
      "typesetting": "TeX",
      "pages": 12,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 770308,
      "adsabs": "2008NuPhA.806...65E"
    }
  }
}