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Fano plots of IMFPs calculated from the SSPA using the dispersion equation of Eqn (30) instead of Eqn (14) for electron energies between 100 eV and 30 keV. The dotted lines indicate IMFPs calculated using δ = 0.2, 0.4, 0.658, 0.85, 1 in Eqn (30). The symbols show Fano plots with IMFPs from the FPA (solid circles) and the EM method (solid squares).
