{
  "id": "nucl-th/9904051",
  "version": "v1",
  "published": "1999-04-19T12:02:11.000Z",
  "updated": "1999-04-19T12:02:11.000Z",
  "title": "Compression modes in nuclei: microscopic models with Skyrme interactions",
  "authors": [
    "G. Colo`",
    "N. Van Giai",
    "P. F. Bortignon",
    "M. R. Quaglia"
  ],
  "comment": "To appear in: ``RIKEN Symposium and Workshop on Selected Topics in Nuclear Collective Excitations'', proceedings of the meeting, RIKEN, Wako city (Japan), March 20--24, 1999",
  "categories": [
    "nucl-th"
  ],
  "abstract": "The isoscalar giant monopole resonances (ISGMR) and giant dipole resonances (ISGDR) in medium-heavy nuclei are investigated in the framework of HF+RPA and HF-BCS+QRPA with Skyrme effective interactions. It is found that pairing has little effect on these modes. It is also found that the coupling of the RPA states to 2p-2h configurations results in about (or less than) 1 MeV shifts of the resonance energies and at the same time gives the correct total widths. For the ISGMR, comparison with recent data leads to a value of nuclear matter compression modulus close to 215 MeV. However, a discrepancy between calculated and measured energies of the ISGDR in $^{208}$Pb is found and remains an open problem.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1999-04-19T12:02:11.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "skyrme interactions",
      "microscopic models",
      "compression modes",
      "nuclear matter compression modulus close",
      "isoscalar giant monopole resonances"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 498531,
      "adsabs": "1999nucl.th...4051C"
    }
  }
}