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Ghost and Gluon leading power corrections in Landau gauge

Abstract : Gluon two- and three-point Green Functions computed in Landau gauge on the lattice have shown the existence of 1/q2 power corrections to the purely perturbative expressions that can be explained through the Operator Product Expansion as the influence of a gauge dependent mass dimension two condensate. The analysis of the ghost propagator within this framework of gauge-dependent power corrections is now performed.
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Submitted on : Monday, January 22, 2007 - 11:29:24 AM
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Ph. Boucaud, F. de Soto, J.P. Leroy, A. Le Yaouanc, A.Y. Lokhov, et al.. Ghost and Gluon leading power corrections in Landau gauge. 12th High-Energy Physics International Conference on Quantum ChromoDynamics (QCD 05), Jul 2005, Montpellier, France. pp.221-224, ⟨10.1016/j.nuclphysbps.2006.11.099⟩. ⟨in2p3-00125654⟩



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