{
  "id": "hep-ph/0211376",
  "version": "v2",
  "published": "2002-11-24T23:04:34.000Z",
  "updated": "2003-09-19T08:45:51.000Z",
  "title": "Matching functions for heavy particles",
  "authors": [
    "S. D. Bass",
    "R. J. Crewther",
    "F. M. Steffens",
    "A. W. Thomas"
  ],
  "comment": "Revised version to be published in Physical Review D; added section with application to decoupling of heavy particles in non-asymptotically free theories",
  "journal": "Phys.Rev.D68:096005,2003",
  "doi": "10.1103/PhysRevD.68.096005",
  "categories": [
    "hep-ph"
  ],
  "abstract": "We introduce matching functions as a means of summing heavy-quark logarithms to any order. Our analysis is based on Witten's approach, where heavy quarks are decoupled one at a time in a mass-independent renormalization scheme. The outcome is a generalization of the matching conditions of Bernreuther and Wetzel: we show how to derive closed formulas for summed logarithms to any order, and present explicit expressions for leading order and next-to-leading order contributions. The decoupling of heavy quarks in theories lacking asymptotic freedom is also considered.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2003-09-19T08:45:51.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "12.39.Hg",
      "12.38.Cy",
      "11.10.Hi"
    ],
    "keywords": [
      "matching functions",
      "heavy particles",
      "heavy quarks",
      "mass-independent renormalization scheme",
      "theories lacking asymptotic freedom"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Phys. Rev. D"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 602953
    }
  }
}