{
  "id": "1303.2949",
  "version": "v1",
  "published": "2013-03-12T16:52:04.000Z",
  "updated": "2013-03-12T16:52:04.000Z",
  "title": "Mixing of partial waves near $B^* \\bar B^*$ threshold in $e^+e^-$ annihilation",
  "authors": [
    "Xin Li",
    "M. B. Voloshin"
  ],
  "comment": "8 pages, 3 figures",
  "doi": "10.1103/PhysRevD.87.094033",
  "categories": [
    "hep-ph",
    "hep-ex"
  ],
  "abstract": "We consider the production of $B^* \\bar B^*$ meson pairs in $e^+e^-$ annihilation near the threshold. The rescattering due to pion exchange between the mesons results in a mixing between three partial wave amplitudes: two $P$-wave with the total spin of the meson pair S=0 and S=2 and an F-wave amplitude. The mixing due to pion exchange with a low momentum transfer is calculable up to c.m. energy $E \\approx 15 \\div 20$\\,MeV above the threshold. We find that the $P-F$ mixing is numerically quite small in this energy range, while the mixing of the two P-wave amplitudes is rapidly changing with energy and can reach of order one at such low energies.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2013-03-12T16:52:04.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "14.40.Rt",
      "13.25.Gv",
      "13.75.Lb"
    ],
    "keywords": [
      "annihilation",
      "pion exchange",
      "meson pair",
      "low momentum transfer",
      "partial wave amplitudes"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review D",
      "year": 2013,
      "month": "May",
      "volume": 87,
      "number": 9,
      "pages": "094033"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 8,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 1223518,
      "adsabs": "2013PhRvD..87i4033L"
    }
  }
}