2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/216010Elastic electron scattering off $^3$He and $^4$He has recently been studied at forward and backward scattering angles in Hall A at JLab. The results will provide accurate data on the elastic form factors, charge and magnetic for $^3$He and charge only for $^4$He, up to squared momentum transfer $Q^2$-values of 3.2 GeV$^2$.3 pages, Proceedings of EFB20Nuclear ExperimentElastic Form Factors of $^{3,4}$He up to Large $Q^2$text