The available process types are:
0: No previous process yet, particle was created at initialization 1: Elastic scattering 2: Resonance formation (2 -> 1) 3: Inelastic binary scattering (2 -> 2) 5: Resonance decay 6: Box wall crossing (due to periodic boundary conditions) 7: Forced thermalization 8: Hypersurface crossing 9: Bremsstrahlung 41: Soft string excitation, single diffractive AB -> AX 42: Soft string excitation, single diffractive AB -> XB 43: Soft string excitation, double diffractive 44: Soft string N-Nbar annihilation 45: Soft sring excitation, non-diffractive 46: Hard string excitation