The predictions reproduce differential and integrated cross sections quite well [ 8 , 9 , 37 ) , as well as slope ... by step empirical analysis of the effect of each free parameter on the output results ( differential and total cross sections ) . ... Due to the small value of the 54 parameter in ( 10 ) ( E4 ~ 10–3 for both reactions , see Table 1 ) , our parametrization ... CERN preprint EP / 85-137 . ... In LandoltBörnstein , New Series . ... 54 , 2180 ( 1985 ) ; M. Bozzo , P.L. Braccini , F. Carbonara et al .