We report on empirical parameterizations of longitudinal (${\mathcal{R}}_L$) and transverse (${\mathcal{R}}_T$) nuclear electromagnetic form factors for elastic scattering and the excitations of nuclear states in ${}^{27}\mathrm{Al}$ and ${}^{40}\mathrm{Ca}$. The parameterizations are needed for the calculations of radiative corrections in measurements of electron scattering cross sections on ${}^{27}\mathrm{Al}$ and ${}^{40}\mathrm{Ca}$ in the quasielastic, resonance, and inelastic continuum regions, provide the contribution of nuclear excitations in investigations of the Coulomb sum rule, and test theoretical model predictions for excitation of nuclear states in electron and neutrino interactions on nuclear targets at low energies.

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• Elastic scattering reactions
• Lepton induced nuclear reactions
• 20 ≤ A ≤ 38
• 39 ≤ A ≤ 58
• Form factors
• Nuclear data analysis & compilation