Nucleon polarizabilities in the perturbative chiral quark model

Abstract

The nucleon polarizabilities alpha(E) and beta(M) are studied in the context of the perturbative chiral quark model. We demonstrate that meson cloud effects are sufficient to explain the electric polarizability of nucleon. Contributions of excite quark states to the paramagnetic polarizability are dominant and cancel the diamagnetic polarizability arising from the chiral field. The obtained results are compared to data and other theoretical predictions.

25 pages, 18 figures, 2 tables

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Cited by in corpus (11)

• Using effective field theory to analyse low-energy Compton scattering data from protons and light nuclei
• Magnetic polarizability of hadrons from lattice QCD in the background field method
• Nucleon Compton scattering in the Dyson-Schwinger approach
• The neutron electric dipole form factor in the perturbative chiral quark model
• Meson cloud contributions to baryon axial form factors
• Study of baryon octet electromagnetic form factors in perturbative chiral quark model
• Dynamical Polarizabilities of SU(3) Octet of Baryons
• Axial transition form factors of octet baryons in the perturbative chiral quark model
• Hyperon forward spin polarizabilty gamma0
• Computer Based Analytical Simulations of the Chiral Hadronic Processes
• Analysis of excited quark propagator effects on neutron charge form factor