Resolve "handling of off-shell particles"

Closes #270 (closed)

Documentation/Examples/vertical_EAS.cc

@@ -184,7 +184,7 @@ int main(int argc, char** argv) {
 
   process::particle_cut::ParticleCut cut{60_GeV};
 
-  process::on_shell_check::OnShellCheck reset_particle_mass(1.e-3, 1.e-2);
+  process::on_shell_check::OnShellCheck reset_particle_mass(1.e-3, 1.e-1, false);
 
   process::energy_loss::EnergyLoss eLoss(showerAxis);
   process::longitudinal_profile::LongitudinalProfile longprof{showerAxis};