Gauge and Lorentz invariant pionic correlations in quasi-elastic electron scattering

Abstract

The role of the pion in the parity-conserving and parity-violating quasi-elastic nuclear response functions is analyzed within a relativistic model which fulfills gauge invariance.Comment: 14 pages, 4 figures, Proceedings of the Varenna School "From Nuclei and Thier Constituents to Stars", August 200