{
  "id": "0805.1332",
  "version": "v1",
  "published": "2008-05-09T11:38:06.000Z",
  "updated": "2008-05-09T11:38:06.000Z",
  "title": "Momentum distributions of $α$-particles from decaying low-lying $^{12}$C-resonances",
  "authors": [
    "R. Alvarez-Rodriguez",
    "A. S. Jensen",
    "E. Garrido",
    "D. V. Fedorov",
    "H. O. U. Fynbo"
  ],
  "comment": "11 pages, 7 figures, accepted for publication in Physical Review C",
  "journal": "Phys.Rev.C77:064305,2008",
  "doi": "10.1103/PhysRevC.77.064305",
  "categories": [
    "nucl-th"
  ],
  "abstract": "The complex scaled hyperspherical adiabatic expansion method is used to compute momentum and energy distributions of the three $\\alpha$-particles emerging from the decay of low-lying $^{12}$C-resonances. The large distance continuum properties of the wave functions are crucial and must be accurately calculated. We discuss separately decays of natural parity states: two $0^+$, one $1^{-}$, three $2^+$, one $3^-$, two $4^+$, one $6^+$, and one of each of unnatural parity, $1^{+}$, $2^-$, $3^+$, $4^-$. The lowest natural parity state of each $J^{\\pi}$ decays predominantly sequentially via the $^{8}$Be ground state whereas other states including unnatural parity states predominantly decay directly to the continuum. We present Dalitz plots and systematic detailed momentum correlations of the emerging $\\alpha$-particles.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2008-05-09T11:38:06.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "27.20.+n",
      "25.70.Ef",
      "21.60.Gx",
      "21.45.-v"
    ],
    "keywords": [
      "momentum distributions",
      "parity states predominantly decay",
      "hyperspherical adiabatic expansion method",
      "scaled hyperspherical adiabatic expansion",
      "natural parity state"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review C",
      "year": 2008,
      "month": "Jun",
      "volume": 77,
      "number": 6,
      "pages": "064305"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 11,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 785440,
      "adsabs": "2008PhRvC..77f4305A"
    }
  }
}