  The quark chromo-electric dipole moment operator and the pseudo-scalar
fermion bilinear with which it mixes under renormalization can both be included
in a calculation of the electromagnetic form factor of the nucleon using the
Schwinger source method. A preliminary calculation of these operators using
clover quarks on HISQ lattices generated by MILC collaboration will be
presented showing the quality of the signal in the correlators necessary for
calculating the neutron electric dipole moment.
