Neutron Electric Dipole Moment with Domain Wall Quarks
F. Berruto, T. Blum, K. Orginos, and A. Soni
TL;DR
This paper reports preliminary lattice QCD calculations of nucleon electric dipole moments using domain wall fermions, focusing on the neutron's EDM from the theta term, with magnetic moments aligning with experimental data.
Contribution
It introduces a lattice QCD approach with domain wall fermions to compute nucleon EDMs, emphasizing the neutron's EDM from the theta term.
Findings
Magnetic moments of proton and neutron match experimental values.
Preliminary results for neutron EDM from the theta term are presented.
Method demonstrates potential for studying CP violation in QCD.
Abstract
We present preliminary results for nucleon dipole moments computed with domain wall fermions. Our main target is the electric dipole moment of the neutron arising from the theta term in the gauge part of the QCD lagrangian. The calculated magnetic dipole moments of the proton and neutron are in rough accord with experimental values.
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