Nonperturbative renormalization of the quark chromoelectric dipole moment with the gradient flow: Power divergences
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DOI: 10.1103/physrevd.104.074516
Abstract: The $CP$-violating quark chromoelectric dipole moment (qCEDM) operator, contributing to the electric dipole moment (EDM), mixes under renormalization and---particularly on the lattice---with the pseudoscalar density. The mixing coefficient is power-divergent with the inverse lattice spacing… read more here.
Keywords: moment; gradient flow; quark chromoelectric; chromoelectric dipole ... See more keywords