MCNPX characterization of compact superconducting cyclotron with 11B target

A compact superconducting cyclotron accelerator has been built and is undergoing testing by Ionetix Corporation in Hampton, NH. This demonstration cyclotron will accelerate protons up to 12.5 MeV or deuterons up to 6.25 MeV. The design supports the use of internal or external targets. Characterization of the cyclotron using MCNPX-PoliMi was conducted in advance of planned neutron and gamma-ray measurements at the University of Michigan. The cyclotron simulations utilize neutron and gamma-ray spectra resulting from the ¹¹B(d,n)¹²C reaction with 4-MeV deuterons. The ¹¹B(d,n)¹²C reaction is of interest for active interrogation research due to its production of high-energy neutrons and gamma rays. Simulated quantities of interest include particle spectra, dose rates, and detector response to facilitate detailed analysis of shielding requirements and experiment design.