The neutron electric dipole form factor in the perturbative chiral quark model

2006/01/18 by Claudio Dib, Amand Faessler, Thomas Gutsche +5 · 3 citations
Physics and Astronomy · #Anomaly (physics) #Dipole #Neutron #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #Quantum and Classical Electrodynamics #Quark #Quark model #hep-ph

paper · pdf · doi:10.1088/0954-3899/32/4/011

published as J.Phys.G32:547-564,2006 · 20 pages, 3 figures

arxiv created 2006/01/18 · openalex publication_date 2006/02/24 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We calculate the electric dipole form factor of the neutron in a perturbative chiral quark model, parameterizing CP violation of generic origin by means of effective electric dipole moments of the constituent quarks and their CP-violating couplings to the chiral fields. We discuss the relation of these effective parameters to more fundamental ones such as the intrinsic electric and chromoelectric dipole moments of quarks and the Weinberg parameter. From the existing experimental upper limits on the neutron electric dipole moment, we derive constraints on these CP-violating parameters.

Citations

• Electromagnetic contributions to the Schiff moment
• Updated analysis of meson-nucleonσterms in the perturbative chiral quark model
• Axial form factor of the nucleon in the perturbative chiral quark model
• Electromagnetic gauge invariance of the cloudy bag model
• Three-Quark Potential in SU(3) Lattice QCD
• CP-Violation in the Renormalizable Theory of Weak Interaction
• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)
• New Experimental Limit on the Electric Dipole Moment of the Neutron

Cited by

• Quark tensor charge and electric dipole moment within the Schwinger-Dyson formalism
• Bound on the anomalous tbW coupling from two-loop contribution to neutron electric dipole moment
• Probing new physics in charm couplings with flavor-changing neutral currents