Abstract
This work presents results of experiments aimed to measure total L X-ray production cross sections due to the impact of 1.335 MeV to 1.835 MeV protons on Sr, Y, Zr, Nb, and Mo, which were contrasted with previously published experimental data and theoretical predictions of the ECPPSR model and a universal fit recently proposed. Two atomic parameters databases were also used, as well as a correction due to multiple ionization (MI) of outer atomic shells. The measured cross sections are higher than all measured and theoretical values, being better described by the ECPSSR model with MI adjustments. However, when uncertainties of the used atomic parameters are considered, it is seen that it is impossible to determine the accuracy of the models with regard to the experimental values.
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