Two loop correction to the Gribov mass gap equation in Landau gauge QCD - INSPIRE

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Two loop correction to the Gribov mass gap equation in Landau gauge QCD

J.A. Gracey
(
- Liverpool U., Dept. Math.
)

Oct, 2005

8 pages

Published in:

Phys.Lett.B 632 (2006) 282-286,
Phys.Lett.B 686 (2010) 319-319 (erratum)

e-Print:

hep-ph/0510151 [hep-ph]

DOI:

10.1016/j.physletb.2005.10.046,
10.1016/j.physletb.2010.02.039 (erratum)

Report number:

LTH-677

View in:

ADS Abstract Service

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Abstract: (Elsevier)

We determine the two loop correction to Gribov's mass gap equation for quantum chromodynamics in the Landau gauge in the MS¯ scheme by computing the two loop correction to the horizon condition derived from Zwanziger's local renormalizable Lagrangian which incorporates the Gribov parameter. We verify that with the explicit result, the two loop ghost propagator is enhanced in the infrared.

Note:

8 latex pages

quantum chromodynamics: Gribov problem
Landau gauge
mass: gap
correction: higher-order
ghost: propagator
horizon
Lagrangian formalism

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