Predicting proton-nucleus total reaction cross sections up to 300 MeV   using a simple functional form
  Total reaction cross sections are predicted for proton scattering from various nuclei. A simple functional form has been used that reproduces the total reaction cross sections for the scattering of protons from (15) nuclei spanning the mass range from ${}^9$Be to ${}^{238}$U and for proton energies 10 to 300 MeV. 
P. K. Deb and K. Amos