6533b7dcfe1ef96bd1273444
RESEARCH PRODUCT
Light-Front Interpretation of Proton Generalized Polarizabilities
Mikhail GorchteinMarc VanderhaeghenB. PasquiniCédric Lorcésubject
QuarkPhysicsElastic scatteringNuclear TheoryProtonNuclear TheoryCompton scatteringFOS: Physical sciencesGeneral Physics and AstronomyCharge densityNuclear Theory (nucl-th)High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)PolarizabilityElectric fieldQuantum electrodynamicsAtomic physicsNucleondescription
We extend the recently developed formalism to extract light-front quark charge densities from nucleon form factor data to the deformations of these quark charge densities when applying an external electric field. We show that the resulting induced polarizations can be extracted from proton generalized polarizabilities. The available data for the generalized electric polarizabilitiy of the proton yield a pronounced structure in its induced polarization at large transverse distances, which will be pinned down by forthcoming high precision virtual Compton scattering experiments.
year | journal | country | edition | language |
---|---|---|---|---|
2009-11-15 | Physical Review Letters |