Renormalization of the second-order QCD with arbitrary chromomagnetic factor and quark self-interactions

In this work, the renormalization of the second-order QCD is analyzed at one-loop level, including an arbitrary chromomagnetic factor and quark self-interactions, which are mass dimension four operators in this framework. The model is shown to be renormalizable for any value of the chromomagnetic factor $κ$ in the validity region of the perturbative expansion, and Dirac QCD is recovered in the $κ=2$ case with vanishing self-interaction couplings.

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