A new approach to estimate the geometrical factors, solid angle approximation, geometrical efficiency and their use in basic interaction cross section measurementsD. V. Rao, R. Cesareo, A. Brunetti, G. E. Gigante, T. Takeda, Y. Itai and T. AkatsukaEur. Phys. J. AP, 20 1 (2002) 69-74DOI: https://doi.org/10.1051/epjap:2002077
