Deuteron Magnetic Quadrupole Moment From Chiral Effective Field Theory

Abstract

We calculate the magnetic quadrupole moment (MQM) of the deuteron at leading order in the systematic expansion provided by chiral effective field theory. We take into account parity and time-reversal violation which, at the quark-gluon level, results from the QCD vacuum angle and dimension-six operators that originate from physics beyond the Standard Model. We show that the deuteron MQM can be expressed in terms of five low-energy constants that appear in the parity- and time-reversal-violating nuclear potential and electromagnetic current, four of which also contribute to the electric dipole moments of light nuclei. We conclude that the deuteron MQM has an enhanced sensitivity to the QCD vacuum angle and that its measurement would be complementary to the proposed measurements of light-nuclear EDMs.

References in corpus (5)

• Resonance method of electric-dipole-moment measurements in storage rings
• The Nucleon Electric Dipole Form Factor From Dimension-Six Time-Reversal Violation
• The Electric Dipole Form Factor of the Nucleon in Chiral Perturbation Theory to Sub-leading Order
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• Time-Reversal Violation in Threshold $\vec{n}$ $\vec{p}$ Scattering

Cited by in corpus (3)

• P- and T-Violating Lagrangians in Chiral Effective Field Theory and Nuclear Electric Dipole Moments
• Neutron-antineutron oscillations in the deuteron studied with $NN$ and $\bar{N}N$ interactions based on chiral effective field theory
• Parity- and Time-Reversal-Violating Moments of Light Nuclei