Virtual Compton Scattering--Generalized Polarizabilities of Nucleons and Pions
classification
✦ hep-ph
nucl-th
keywords
polarizabilitieschiralcomptongeneralizednucleonsperturbationpionstheory
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Virtual Compton scattering off nucleons and pions at low energies is discussed. Predictions for the generalized polarizabilities of the nucleon are presented within the framework of heavy-baryon chiral perturbation theory and the linear sigma model. First results for the generalized polarizabilities of the charged pion in chiral perturbation theory at ${\cal O}(p^4)$ are shown.
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