Covariant nucleon electromagnetic form factors from the Goldstone-boson-exchange quark model

Abstract

We present a study of proton and neutron electromagnetic form factors for the recently proposed Goldstone-boson-exchange constituent quark model. Results for charge radii, magnetic moments, and electric as well as magnetic form factors are reported. The calculations are performed in a covariant framework using the point-form approach to relativistic quantum mechanics. All the predictions by the Goldstone-boson-exchange constituent quark model are found in remarkably good agreement with existing experimental data.

LATEX, 10 pages, including 4 ps-figures, slightly modified, one additional reference

References in corpus (4)

• The ratio of proton's electric to magnetic form factors measured by polarization transfer
• Coulomb Corrections to Elastic Electron-Proton Scattering and the Proton Charge Radius
• The three loop slope of the Dirac form factor and the 1S Lamb shift in hydrogen
• Faddeev approach to confined three-quark problems

Cited by in corpus (72)

• Measurement of GEp/GMp in ep -> ep to Q2 = 5.6 GeV2
• Baryons as relativistic three-quark bound states
• Nucleon Electromagnetic Form Factors
• Linking generalized parton distributions to constituent quark models
• Status on nucleon electromagnetic form factors
• Strange and nonstrange baryon spectra in the relativistic interacting quark-diquark model with a Gürsey and Radicati-inspired exchange interaction
• Measurements of the neutron electric to magnetic form factor ratio GEn/GMn via the ^2H(\vec{e},e'\vec{n})^1H reaction to Q^2 = 1.45 (GeV/c)^2
• $Q^2$ Independence of $Q{F}_2/F_1$, Poincare Invariance and the Non-Conservation of Helicity
• Quark-Model Identification of Baryon Ground and Resonant States
• A systematic study of longitudinal and transverse helicity amplidutes in the hypercentral Constituent Quark Model
• Single-Spin Polarization Effects and the Determination of Timelike Proton Form Factors
• ${\Theta }^{+}$ in a chiral constituent quark model and its interpolating fields
• Helicity-dependent generalized parton distributions in constituent quark models
• Electroweak structure of the nucleon, meson cloud and light-cone wavefunctions
• Electromagnetic Form Factors of Nucleons in a Light-cone Diquark Model
• Covariant axial form factor of the nucleon in a chiral constituent quark model
• Electromagnetic nucleon form factors in instant and point form
• Nucleon and gamma N -> Delta lattice form factors in a constituent quark model
• Covariant baryon charge radii and magnetic moments in a chiral constituent quark model
• Electromagnetic Form Factors and the Hypercentral CQM
• Spectator-model operators in point-form relativistic quantum mechanics
• Axial charges of octet and decuplet baryons
• Electric and magnetic form factors of strange baryons
• Covariant calculation of mesonic baryon decays
• Mini review of Poincaré invariant quantum theory
• Interpolating Scattering Amplitudes between Instant Form and Front Form of Relativistic Dynamics
• Electromagnetic rho-meson form factors in point-form relativistic quantum mechanics
• Relativistic quark-diquark model of baryons with a spin-isospin transition interaction
• Structure of meson-baryon interaction vertices
• Vector mesons in a relativistic point-form approach
• Poincare Invariant Algebra From Instant to Light-Front Quantization
• Constructing Point Form Mass Operators from Interaction Lagrangians
• The Electromagnetic Gauge Field Interpolation between the Instant Form and the Front Form of the Hamiltonian Dynamics
• Comparison of Form Factors Calculated with Different Expressions for the Boost Transformation
• Comparison among Hamiltonian light-front formalisms at q+ = 0 and q+ <> 0: space-like elastic form factors of pseudoscalar and vector mesons
• Prospects for e+e- physics at Frascati between the phi and the psi
• Electromagnetic meson form factor from a relativistic coupled-channel approach
• Structures of Rotating Traditional Neutron Stars and Hyperon Stars in the Relativistic $\sigma -\omega$ Model
• Covariant calculation of nonstrange decays of strange baryon resonances
• High $Q^2$ behavior of the electromagnetic form factors in the relativistic hypercentral CQM
• Form factors in the "point form" of relativistic quantum mechanics: single and two-particle currents
• Comparison of Nucleon Form Factors from Lattice QCD Against the Light Front Cloudy Bag Model and Extrapolation to the Physical Mass Regime
• Effective boost and "point-form" approach
• Scaling of Hadronic Form Factors in Point Form Kinematics
• Neural Network Parameterizations of Electromagnetic Nucleon Form Factors
• Extended Goldstone-Boson-Exchange Constituent Quark Model
• Axial charges of the nucleon and N* resonances
• Relativistic quantum mechanics: A Dirac's point-form inspired approach
• Interpolating Quantum Electrodynamics between Instant and Front Forms
• Asymptotic behavior of nucleon electromagnetic form factors in time-like region
• Form factors in RQM approaches: constraints from space-time translations
• Electroweak properties of the $\pi$, $K$ and $K^{\ast }(892)$ in the three forms of relativistic kinematics
• Spin force dependence of the parton distributions: the ratio $F_2^n(x,Q^2)/F_2^p(x,Q^2)$
• Effect of gluon-exchange pair-currents on the ratio G(E(P))/G(M(P))
• Uncovering the Scaling Laws of Hard Exclusive Hadronic Processes in a Comprehensive Endpoint Model
• Representations of relativistic particles of arbitrary spin in Poincaré, Lorentz, and Euclidean covariant formulations of relativistic quantum mechanics
• Pionic dressing of baryons in chiral quark models
• Local Current Operators for Arbitrary Spin Particles
• Axial-vector mesons in a relativistic point-form approach
• Dirac's inspired point form and hadron form factors
• Meson-cloud effects in the electromagnetic nucleon structure
• Elastic nucleon form factors
• Electromagnetic $N-\Delta (1232)$ transitions within the point-form of relativistic quantum mechanics
• Nucleon and Pion Form Factors in Different Forms of Relativistic Quantum Mechanics
• Covariant Hamiltonian Dynamics with Negative Energy States
• Electromagnetic Form Factors of the Nucleon in a Relativistic Quark Pair Creation Model
• Relativistic few-body physics
• Flavor analysis of nucleon, $\Delta$, and hyperon electromagnetic form factors
• Unified approach to photo and electro-production of mesons with arbitrary spins
• Nucleon electroweak form factors in a meson-cloud model
• Quantum orientation entanglement analysis of the interpolating helicity states between the instant form dynamics and the light-front dynamics
• Strange and nonstrange baryon spectra in the interacting quark-diquark model