Simulation of the secondary electrons energy deposition produced by proton beams in PMMA: influence of the target electronic excitation descriptionMaurizio Dapor, Isabel Abril, Pablo de Vera and Rafael Garcia-MolinaEur. Phys. J. D, 69 6 (2015) 165DOI: https://doi.org/10.1140/epjd/e2015-60123-7