MAXIMIZATION OF THE DOSE HOMOGENEITY IN THE PLATEAU FOR A LOW-ENERGY PRECLINICAL PROTON BEAM LINE. (February 2022) - Bongrand, A.; Koumeir, C.; Villoing, D.; Guertin, A.; Haddad, F.; Metivier, V.; Poirier, F.; Potiron, V.; Servagent, N.; Supiot, S.; Delpon, G.; Chiavassa, S.