2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87731The features of the HEMAS code are presented. The results of the comparison between the Monte Carlo expectation and the experimental data are shown.10 pages, 6 figures, Invited Talk at ''International Workshop on Simulation and analysis methods for large neutrino detectors'', Desy Zeuthen, Berlino (Germany), July 6-9, 1998Data Analysis, Statistics and Probabilitytext