Proton radiography applications with MCNP5

Area of Science:

• Nuclear physics and computational modeling.
• Particle transport simulation and radiation imaging.

Background:

• Continuous-energy proton transport requires specialized simulation tools.
• Proton radiography offers unique imaging capabilities but needs accurate simulation models.

Purpose of the Study:

• To develop and validate a modified MCNP5 code for continuous-energy proton transport.
• To assess the simulation of proton radiographs using this enhanced code.
• To investigate the impact of various physics models on simulation accuracy.

Main Methods:

• Modification of the MCNP5 code to handle proton transport.
• Simulation of proton radiographs for various test objects.
• Inclusion and evaluation of physics processes: elastic scattering, multiple Coulomb scattering, collisional energy loss and straggling, magnetic fields, and nuclear attenuation.
• Comparison of simulation results with experimental data.

Main Results:

• Successful implementation of continuous-energy proton transport in MCNP5.
• Demonstration of the code's capability to simulate proton radiographs.
• Analysis of the influence of different physics models on simulation outcomes.
• Validation of simulation results against experimental measurements.

Conclusions:

• The modified MCNP5 code provides a validated capability for simulating proton radiographs.
• The study highlights the importance of accurately modeling key physics processes for reliable proton radiography simulations.
• This work contributes to the advancement of computational tools for proton transport and imaging.