Computing Nucleon Electric Dipole Moment from lattice QCD
April 22, 2020
Electric dipole moments (EDMs) of nucleons and
nuclei are actively considered as direct evidence of the CP violation.
Calculations of nucleon EDMs on lattice
are required to connect the quark- and hadron- level effective CP violating interactions
within QCD or other CP violating sources in new physics beyond the standard model.
the theta-induced nucleon EDM, that is
the only such renormalizable interation,
has widely been investigated on a lattice.
In the report, we review recent developments of the lattice calculations of
nucleon EDM induced QCD theta term.
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