Calculation of the coulomb barrier and the level density parameter at the fission saddle point in spallation nuclear reactions - Tumbarell, O.; Velasco, F. G.; Deppman, Airton; Bernal Castillo, Jose Luis; Rodriguez, O.; Samana, A.; Andrade II, E.; Guzman, F (Journal of Physics G: Nuclear and Particle Physics,, 2018)