@Alex A
Thank you so much. I'm new to MCNP and I thought about setting the volume manually but was worried that it would skew the results. This is helpful to know that i can do this.
Hi,
I'm trying to simulate how much lead i need to put in front of my source to reduce low energy scatter from reaching my detector. I have 4 cells currently.
Cell 1: The source cell, im using a Cs137 source (0.662 MeV).
Cell 2: The collimator. I'm simulating a cylinder to be placed in the...