{
  "id": "hep-ph/0608129",
  "version": "v1",
  "published": "2006-08-11T10:17:33.000Z",
  "updated": "2006-08-11T10:17:33.000Z",
  "title": "A further analysis of $Θ^+$ production in $γ+D \\to Λ+n+K^{+}$ reaction",
  "authors": [
    "V. Guzey"
  ],
  "comment": "16 pages, 5 figures",
  "categories": [
    "hep-ph",
    "hep-ex",
    "nucl-th"
  ],
  "abstract": "We analyse Theta+ production in the gamma+D -> \\Lambda+n+K+ reaction and study the dependence of the gamma+D -> \\Lambda+n+K+ differential cross section on the nK+ invariant mass and on the momentum of the final neutron p_n. We examine the important role of the interference between the signal and background contributions to the gamma+D -> \\Lambda+n+K+ amplitude in the extraction of the Theta+ signal from the gamma+D -> \\Lambda+n+K+ cross section. We demonstrate that as a result of the cancellation between the interference and signal contributions, the Theta+ signal almost completely washes out after the integration over p_n. This is consistent with the CLAS conclusion that no statistically significant structures in the analysis of the gamma+D -> \\Lambda+n+K+ reaction were observed. Therefore, there is no disagreement between the theory and the experiment and the CLAS result does not refute the existence of the Theta+.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2006-08-11T10:17:33.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "25.20.Lj",
      "13.60.Rj",
      "14.20.Jn"
    ],
    "keywords": [
      "production",
      "differential cross section",
      "clas conclusion",
      "background contributions",
      "clas result"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 16,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 723650,
      "adsabs": "2006hep.ph....8129G"
    }
  }
}