{
  "id": "hep-ph/9606252",
  "version": "v1",
  "published": "1996-06-06T14:31:01.000Z",
  "updated": "1996-06-06T14:31:01.000Z",
  "title": "Charmonium Production",
  "authors": [
    "K. Sridhar"
  ],
  "comment": "Talk given at the XXXIst Rencontres de Moriond, ``QCD and High Energy Hadronic Interactions'', March 1996, Les Arcs, France. (8 pages)",
  "categories": [
    "hep-ph"
  ],
  "abstract": "Theoretical analyses of the results on quarkonium production at large transverse momentum ($p_T$) in $p\\bar p$ collisions, at the Tevatron have revealed two novel features of the physics of quarkonium production : 1) the contribution of fragmentation of gluons and charm quarks to the cross-section at large $p_T$, and 2) the importance of colour octet components of the quarkonium wave-function. I discuss the theoretical developments which have contributed to a reasonably consistent picture of quarkonium production at the Tevatron, and discuss large-$p_T$ $J/\\psi$ production at HERA and at LHC as important tests of the fragmentation picture. I also discuss our recent analysis of $J/\\psi$ production cross-sections at fixed-target energies, where we find that the energy dependence of the $p_T$-integrated cross-sections for both $pp$ and $\\pi^- - p$ collisions is reasonably well reproduced, when the colour-octet components are included.",
  "revisions": [
    {
      "version": "v1",
      "updated": "1996-06-06T14:31:01.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "charmonium production",
      "quarkonium production",
      "large transverse momentum",
      "colour octet components",
      "production cross-sections"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 8,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 419380,
      "adsabs": "1996hep.ph....6252S"
    }
  }
}