MCNP6 Disc Source

  • Thread starter janeeburch
  • Start date
I am attempting to build a sodium iodide detector on MCNP.
I am using a disc source and I have been trying to define it in terms of a cell that I placed underneath the detector. When I run it, I get 0's for my counts. This indicates to me that my source isn't hitting my detector. I keep modifying my SDEF card but it doesn't help. I am not sure what else to do. Please tell me what could me wrong.
can you put your input file ?

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