{
  "id": "2308.14072",
  "version": "v1",
  "published": "2023-08-27T11:08:18.000Z",
  "updated": "2023-08-27T11:08:18.000Z",
  "title": "Production of charmonium $χ_{cJ}(2P)$ plus one $ω$ meson by $e^+e^-$ annihilation",
  "authors": [
    "Ri-Qing Qian",
    "Xiang Liu"
  ],
  "comment": "7 pages and 6 figures",
  "categories": [
    "hep-ph",
    "hep-ex"
  ],
  "abstract": "Inspired by the recent observation of $e^+e^-\\to \\omega X(3872)$ by the BESIII Collaboration, in this work we study the production of the charmonium $\\chi_{cJ}(2P)$ by $e^+e^-$ annihilation. We find that the $e^+e^-\\to\\omega\\chi_{c0}(2P)$ and $e^+e^-\\to \\omega\\chi_{c2}(2P)$ have sizable production rates, when taking the cross section data from $e^+e^-\\to \\omega X(3872)$ as the scaling point and treating the $X(3872)$ as the charmonium $\\chi_{c1}(2P)$. Considering that the dominant decay modes of $\\chi_{c0}$ and $\\chi_{c2}(2P)$ involve $D\\bar{D}$ final states, we propose that $e^+e^-\\to \\omega D\\bar{D}$ is an ideal process to identify $\\chi_{c0}(2P)$ and $\\chi_{c2}(2P)$, which is similar to the situation that happens in the $D\\bar{D}$ invariant mass spectrum of the $\\gamma\\gamma\\to D\\bar{D}$ and $B^+\\to D^+{D}^- K^+$ processes. With continuous accumulation of experimental data, these proposed production processes offer a promising avenue for exploration by the BESIII and Belle II collaborations.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2023-08-27T11:08:18.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "charmonium",
      "annihilation",
      "cross section data",
      "dominant decay modes",
      "invariant mass spectrum"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 7,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}