Chiral solitons in nuclei: Electromagnetic form factors

Abstract

We calculate the electromagnetic form factors of a bound proton. The Chiral Quark-Soliton model provides the quark and antiquark substructure of the proton, which is embedded in nuclear matter. This procedure yields significant modifications of the form factors in the nuclear environment. The sea quarks are almost completely unaffected, and serve to mitigate the valence quark effect. In particular, the ratio of the isoscalar electric to the isovector magnetic form factor decreases by 20% at Q^2=1 GeV^2 at nuclear density, and we do not see a strong enhancement of the magnetic moment.

13 pages, 6 figures, Added references and a clearer connection to experiment

References in corpus (4)

• Polarization Transfer in the ^4He(\vec e,e'\vec p)^3H Reaction up to Q^2 = 2.6 (GeV/c)^2
• Relativistic formulation of Glauber theory for A(e,e'p) reactions
• Chiral solitons in nuclei: Saturation, EMC effect and Drell-Yan experiments
• Electromagnetic form factors of bound nucleons revisited

Cited by in corpus (30)

• Nucleon-Nucleon Correlations, Short-lived Excitations, and the Quarks Within
• Polarization Transfer in the 4He(e,e'p)3H Reaction at Q^2 = 0.8 and 1.3 (GeV/c)^2
• Octet baryon electromagnetic form factors in nuclear medium
• Medium effects of magnetic moments of baryons on neutron stars under strong magnetic fields
• Transition between nuclear and quark-gluon descriptions of hadrons and light nuclei
• Natural Resolution of the Proton Size Puzzle
• On the A-dependence of nuclear generalized parton distributions
• A precise extraction of the induced polarization in the 4He(e,e'p)3H reaction
• Measurement of the EMC effect in light and heavy nuclei
• Neutron Properties in the Medium
• Quark-meson coupling model with the cloudy bag
• Polarized quark distributions in nuclear matter
• Medium modifications of nucleon electromagnetic form factors
• Medium Modifications of Hadron Properties and Partonic Processes
• Asymmetry in the neutrino and anti-neutrino reactions in a nuclear medium
• Magnetic moment of hyperons in nuclear matter by using quark-meson coupling models
• Octet baryon electromagnetic form factor double ratios $(G_E^{\ast }/G_M^{\ast })/(G_E/G_M)$ in a nuclear medium
• Modification of generalized vector form factors and transverse charge densities of the nucleon in nuclear matter
• Nuclear Quasi-Elastic Electron Scattering Limits Nucleon Off-Mass Shell Properties
• Nuclear Density Dependence of In-Medium Polarization
• Modification of nucleon properties in nuclear matter and finite nuclei
• A chiral quark-soliton model with broken scale invariance for nuclear matter
• Weak interaction axial form factors of the octet baryons in nuclear medium
• Role of the nuclear vector potential in deep inelastic scattering
• Transverse charge densities in the nucleon in nuclear matter
• Electroweak form factors of baryons in dense nuclear matter
• A Potential Model Study of the Nucleon's Charge and Mass Radius
• Medium modifications of baryon properties in nuclear matter and hypernuclei
• Neutron Anomalous Magnetic Moment in Dense Magnetized Systems
• Quarks and Antiquarks in Nuclei