A CUDA Monte Carlo simulator for radiation therapy dosimetry based on Geant4 N. Henderson, K. Murakami, K. Amako, M. Asai, T. Aso, A. Dotti, A. Kimura, M. Gerritsen, H. Kurashige, J. Perl and T. Sasaki Published online: 06 June 2014 DOI: 10.1051/snamc/201404204