Weak long distance contributions to the neutron and proton electric dipole moments

Details Weak long distance contributions to the neutron and proton electric dipole moments Weak long distance contributions to the neutron and proton electric dipole moments

1996-06-10

arxiv.org/abs/hep-ph/9606285v1

Phys.Lett. B387 (1996) 207-214

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, LaTex file, uses epsf.sty, 3 figures uuencoded

Scientific paper

10.1016/0370-2693(96)00982-3

We evaluate the long distance weak contribution to the neutron and proton electric dipole moments using an effective Lagrangian framework. We estimate the coefficients needed by a factorization hypothesis and additional assumptions on $\gamma_5$ terms in the baryon lagrangian. We obtain $|d_e^n|\approx 5\times 10^{-32}$ e$\cdot$cm and $|d_e^p|\approx 4\times 10^{-32}$ e$\cdot$cm. The former estimate is similar to the quark model estimates done previously.

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