How to Simulate Parallel Beams in MCNP5 or MCNPX?

[nuclearsneke]

TL;DR Summary

tl;dr : how to simulate a parallel neutron beam

Hi,

I am interested in simulation of parallel beams for neutrons and photons (separately of course). Any ideas on how to simulate them in MCNP5 or MCNPX?

 

[bob012345]

Summary:: tl;dr : how to simulate a parallel neutron beam

Hi,

I am interested in simulation of parallel beams for neutrons and photons (separately of course). Any ideas on how to simulate them in MCNP5 or MCNPX?

I found this thesis titled: DESIGN OF A NEUTRON SPECTROMETER AND SIMULATIONS OF NEUTRON MULTIPLICITY EXPERIMENTS WITH NUCLEAR DATA PERTURBATIONS. I hope it helps;

https://core.ac.uk/download/pdf/10653678.pdf

 

[PSRB191921]

Hi,
you can with the parameters of "sdef" (with "dir", "axs", "vec" and "rad")