Timelike and spacelike hadron form factors, Fock state components and light-front dynamics

Abstract

A unified description of spacelike and timelike hadron form factors within a light-front model was successfully applied to the pion. The model is extended to the nucleon to study the role of $q\bar{q}$ pair production and of nonvalence components in the nucleon form factors. Preliminary results in the spacelike range $0\le Q^2\le 10(GeV/c{)}^2$ are presented.

arXiv comment4 pages, espcrc1.sty. proceedings of FB XVIII (August 2006, Brazil), to be published in Nucl. Phys. A

References in corpus (6)

• Quantum Chromodynamics and Other Field Theories on the Light Cone
• How well do we know the electromagnetic form factors of the proton?
• Electromagnetic form factor of the pion in the space- and time-like regions within the front-form dynamics
• Electromagnetic and weak current operators for interacting systems within the front-form dynamics
• Relativistic Quark Spin Coupling Effects in the Nucleon Electromagnetic Form Factors
• On Electron-Positron Annihilation into Nucleon-Antinucleon Pairs

Cited by in corpus (3)

• Time- and Spacelike Nucleon Electromagnetic Form Factors beyond Relativistic Constituent Quark Models
• Study of the in-medium nucleon electromagnetic form factors using a light-front nucleon wave function combined with the quark-meson coupling model
• Covariant analysis of electromagnetic current on the light cone: exposition with scalar Yukawa theory