Quark–gluon vertex in general kinematics
Kızılersü, Ayşe and Leinweber, Derek B. and Skullerud, Jon-Ivar and Williams, Anthony G. (2007) Quark–gluon vertex in general kinematics. European Physical Journal C: Particles and Fields, 50 (4). pp. 871-875. ISSN 1434-6044
We compute the quark-gluon vertex in quenched lattice QCD, in the Landau gauge using an off-shell mean-field O(a)-improved fermion action. The Dirac-vector part of the vertex is computed for arbitrary kinematics. We find a substantial infrared enhancement of the interaction strength regardless of kinematics.
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