Strong CP violation in spin-1/2 singly charmed baryons

preprint2020arXivOpen access

Abstract

We report on the calculation of the CP-violating form factor F3F_3 and the corresponding electric dipole moment for charmed baryons in the spin-1/2 sector generated by the QCD θθ-term. We work in the framework of covariant baryon chiral perturbation theory within the extended-on-mass-shell renormalization scheme up to next-to-leading order in the chiral expansion.

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