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
Constraining ALP-top interaction from the chromoelectric dipole moment of the top quark
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review D"
DOI: 10.1103/w6wh-knnp
Abstract: The couplings of axionlike particles (ALPs) to Standard Model fermions are proportional to the fermion masses, making the interaction with the top quark particularly significant. In this study, we consider an ALP that is a… read more here.
Keywords: chromoelectric dipole; alp top; top quark; quark ... See more keywords