{
  "id": "1512.08771",
  "version": "v1",
  "published": "2015-12-29T20:04:20.000Z",
  "updated": "2015-12-29T20:04:20.000Z",
  "title": "Pauli-Villars regularization of non-Abelian gauge theories",
  "authors": [
    "J. R. Hiller"
  ],
  "comment": "8 pages; RevTeX 4.1; invited talk presented at the Lightcone 2015 workshop, Frascati, Italy, September 21-25, 2015",
  "categories": [
    "hep-th"
  ],
  "abstract": "As an extension of earlier work on QED, we construct a BRST-invariant Lagrangian for SU(N) Yang-Mills theory with fundamental matter, regulated by the inclusion of massive Pauli-Villars (PV) gluons and PV quarks. The underlying gauge symmetry for massless PV gluons is generalized to accommodate the PV-index-changing currents that are required by the regularization. Auxiliary adjoint scalars are used, in a mechanism due to Stueckelberg, to attribute mass to the PV gluons and the PV quarks. The addition of Faddeev--Popov ghosts then establishes a residual BRST symmetry. Although there are drawbacks to the approach, in particular the computational load of a large number of PV fields and a nonlocal interaction of the ghost fields, this formulation could provide a foundation for renormalizable nonperturbative solutions of light-front QCD in an arbitrary covariant gauge.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2015-12-29T20:04:20.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "non-abelian gauge theories",
      "pauli-villars regularization",
      "pv quarks",
      "pv gluons",
      "residual brst symmetry"
    ],
    "publication": {
      "doi": "10.1007/s00601-016-1098-9",
      "journal": "Few-Body Systems",
      "year": 2016,
      "month": "Apr",
      "pages": 55
    },
    "note": {
      "typesetting": "RevTeX",
      "pages": 8,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2016FBS...tmp...55H",
      "inspire": 1411719
    }
  }
}