Sea quark contributions to nucleon electromagnetic form factors with the nonlocal chiral effective Lagrangian

Abstract

The sea quark contributions to the nucleon electromagnetic form factors from up, down and strange quarks are studied with the nonlocal chiral effective Lagrangian. Both octet and decuplet intermediate states are included in the one loop calculation. Compared with the strange form factors, though their signs are the same, the absolute value of the light quark form factors are much larger. For both electric and magnetic form factors, the contribution from $d$ quark is larger than that from $u$ quark. The current lattice data for the light-sea quark form factors are between our sea quark results for $u$ and $d$.

arXiv comment11 pages, 6 figures. arXiv admin note: substantial text overlap with arXiv:1805.11986, arXiv:1711.05896

References in corpus (34)

• Package-X: A Mathematica package for the analytic calculation of one-loop integrals
• Chiral Perturbation Theory for the Quenched Approximation of QCD
• Electromagnetic excitation of the Delta(1232)-resonance
• Low energy analysis of the nucleon electromagnetic form factors
• Chiral Perturbation Theory Analysis of the Baryon Magnetic Moments
• Parity Violation in Elastic Electron-Proton Scattering and the Proton's Strange Magnetic Form Factor
• Strange nucleon form factors in the perturbative chiral quark model
• High-precision calculation of the strange nucleon electromagnetic form factors
• Electromagnetic form factors of the nucleon in relativistic baryon chiral perturbation theory
• Parity-Violating Electron Scattering and the Electric and Magnetic Strange Form Factors of the Nucleon
• Quark Contributions to Baryon Magnetic Moments in Full, Quenched and Partially Quenched QCD
• Chiral extrapolation of nucleon magnetic form factors
• Chiral and Continuum Extrapolation of Partially-Quenched Lattice Results
• Strange magnetic form factor of the proton at $Q^2=0.23$ GeV${}^2$
• Chiral extrapolation of octet-baryon charge radii
• $\bar{d}-\bar{u}$ asymmetry in the proton in chiral effective theory
• Finite-volume and partial quenching effects in the magnetic polarizability of the neutron
• Strange quark asymmetry in the proton in chiral effective theory
• Parton distributions from nonlocal chiral SU(3) effective theory. I. Splitting functions
• Strange magnetic form factor of nucleon in heavy baryon chiral effective approach at next to leading order
• Sea Quarks Contribution to the Nucleon Magnetic Moment and Charge Radius at the Physical Point
• Constraints on $s-\bar{s}$ asymmetry of the proton in chiral effective theory
• Nucleon electromagnetic form factors with non-local chiral effective Lagrangian
• Strange nucleon electromagnetic form factors from lattice QCD
• Chiral extrapolation of nucleon magnetic moments at next-to-leading-order
• Strange form factors of nucleon with nonlocal chiral effective Lagrangian
• The spin of the proton in chiral effective field theory
• Strange Vector Form Factors from Parity-Violating Electron Scattering
• Strangeness magnetic form factor of the proton in the extended chiral quark model
• Pure sea-quark contributions to the magnetic form factors of $\Sigma$ baryons
• The strangeness form factors of the proton within nonrelativistic constituent quark model revisited
• Solid quantization for non-point particles
• Nucleon magnetic form factors with non-local chiral effective Lagrangian
• Chiral extrapolation of nucleon axial charge $g_A$ in effective field theory

Cited by in corpus (1)

• Sea quark contributions to the electromagnetic form factors of $\Sigma$ hyperons