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Trying to write a simple Monte Carlo code for mono energetic neutrons in a steady state slab geometry in one-dimension. Their is an incident source on the left hand side of the slab and its of length L.

I understand how to work out the path length and scattering angles based on the pseudo-random numbers, aswell as the type of scattering the particle undergoes, however I wish to calculate the flux and current and compare it to the deterministic model. I'm struggling to find much on this topic (that's useful).

For example the deterministic solutions for flux and current depend upon the source term (directly proportional), by contrast the Monte Carlo depends upon the initial numbers of particles, and a sufficiently large number is required to get good statistics - so presumably some scaling/normalization is required to compare directly to the deterministic equations? anyone know what that scaling factor is?

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# Monte Carlo neutron slab model

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