Development of an interpretive simulation tool for the proton radiography technique.

Area of Science:

• Plasma Physics
• High Energy Density (HED) Physics
• Computational Physics

Background:

• Proton radiography is a key diagnostic for high energy density (HED) plasmas.
• Developing advanced simulation tools is crucial for interpreting experimental data in HED plasma research.

Purpose of the Study:

• To introduce a novel simulation tool for generating high-resolution proton radiographs.
• To enable detailed analysis of electromagnetic fields within HED plasmas.
• To facilitate the interpretation of complex plasma structures and phenomena.

Main Methods:

• The tool simulates realistic laser-driven proton sources interacting with 3D electromagnetic fields.
• It captures essential physics, including caustic formation.
• Electromagnetic fields can be imported from other codes or generated using provided primitives.

Main Results:

• The simulation tool generates high-resolution proton radiographs from complex electromagnetic field configurations.
• It allows for the deconstruction and interpretation of radiograph features linked to specific field elements.
• An example application demonstrated its utility in studying the Weibel instability in counterstreaming plasmas.

Conclusions:

• The developed simulation tool effectively supports the understanding of high energy density plasmas.
• It provides a powerful method for correlating observable radiographic features with underlying plasma physics.
• This tool enhances the diagnostic capabilities for HED plasma experiments.