Dear @Mihaela_Parvu
the thermal scattering laws we have available, only exist in the JEFF-3.3. You can still select ENDF as a library for every material with LOW-PWXS, but you would need to ask FLUKA to load the HYDROGEN S(a,b) from JEFF-3.3, like
Dear @Mihaela_Parvu
the thermal scattering laws we have available, only exist in the JEFF-3.3. You can still select ENDF as a library for every material with LOW-PWXS, but you would need to ask FLUKA to load the HYDROGEN S(a,b) from JEFF-3.3, like