Neutron Electric Dipole Moment Constraint on Scale of Minimal Left-Right Symmetric Model

Understand

Using an effective theory approach, we calculate the neutron electric dipole moment (nEDM) in the minimal left-right symmetric model with both explicit and spontaneous CP violations.

• We integrate out heavy particles to obtain flavor-neutral CP-violating effective Lagrangian.
• We run the Wilson coefficients from the electroweak scale to the hadronic scale using one-loop renormalization group equations.
• Using the state-of-the-art hadronic matrix elements, we obtain the nEDM as a function of right-handed W-boson mass and CP-violating parameters.