Stopping power study of 'H' and 'HE' in hydroxyapatite films: a study with implications in íon-beam cancer therapy. - Fadanelli, R. C.; Behar, M.; Mello, A.; Garcia -Molina, R.; Abril, I.; Nagamine, Luiz Carlos Camargo Miranda (Reunião de Trabalho sobre Física Nuclear no Brasil, 2014)