Phys. Rev. D 54, 4087–4113 (1996)

Three-gluon vertex in arbitrary gauge and dimension

Abstract

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A. I. Davydychev^* and P. Osland^†
Department of Physics, University of Bergen, Allégaten 55, N-5007 Bergen, Norway

O. V. Tarasov^‡
Fakultät für Physik, Universität Bielefeld, D-33615, Bielefeld 1, Germany and NORDITA, Blegdamsvej 17, DK-2100 Copenhagen Ø, Denmark

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Received 20 May 1996; published in the issue dated 15 September 1996

One-loop off-shell contributions to the three-gluon vertex are calculated, in an arbitrary covariant gauge and in arbitrary space-time dimensions, including quark-loop contributions (with massless quarks). It is shown how one can get the results for all on-shell limits of interest directly from the general off-shell expression. The corresponding general expressions for the one-loop ghost-gluon vertex are also obtained. They allow for a check of consistency with the Ward-Slavnov-Taylor identity.

URL:

http://link.aps.org/doi/10.1103/PhysRevD.54.4087

DOI:

10.1103/PhysRevD.54.4087

PACS:

11.15.Bt, 11.10.Kk, 12.38.Bx

^*Permanent address: Institute for Nuclear Physics, Moscow State University, 119899, Moscow, Russia. Electronic address: davyd@vsfysl.fi.uib.no

^†Electronic address: Per.Osland@fi.uib.no

^‡On leave from Joint Institute for Nuclear Research, 141980, Dubna, Russia. Present address: IfH, DESY-Zeuthen, Platanenallee 6, D-15738 Zeuthen, Germany. Electronic address: tarasov@ifh.de

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Phys. Rev. D 54, 4087–4113 (1996)

Three-gluon vertex in arbitrary gauge and dimension

See Also