Quasi-elastic barrier distribution and derivation of the nuclear matter diffuseness - Huiza, Juan Félix Pari; Crema, Edilson; Rodríguez-Gallardo, M; Shorto, Julian Marco Barbosa; Simões, R F; Barioni, A; Monteiro, D S; Gomes, P R S (Latin American Symposium on Nuclear Physics and Applications, 2011)