Theory, simulation and experiments for precise deflection control of radiotherapy electron beams

Area of Science:

• Medical Physics
• Radiation Oncology
• Accelerator Physics

Background:

• Conventional radiotherapy utilizes linear accelerators (LINACs) for electron and photon beam delivery.
• Precise control of radiation beams is critical for modern radiotherapy techniques.
• Novel techniques require advanced methods for managing electron and photon beam generation.

Purpose of the Study:

• To describe electron beam deflection control for novel convergent photon beam production in radiotherapy.
• To design and optimize components for precise electron beam manipulation.
• To experimentally verify the effectiveness of the designed magnetic systems.

Main Methods:

• Utilized theoretical and Monte Carlo simulations for device component design and optimization.
• Developed dedicated instrumentation for experimental verification of electron beam deflection.
• Employed electrodynamics models to predict and control megavoltage electron beam behavior.

Main Results:

• Successfully designed and optimized components for electron beam deflection control.
• Experimental verification confirmed the predicted electron beam deflection.
• Monte Carlo simulations and experimental data validated the electrodynamics models.

Conclusions:

• The developed electrodynamics models reliably predict megavoltage electron beam control.
• The study provides a foundation for novel radiotherapy techniques utilizing convergent photon beams.
• Precise electron beam deflection is achievable and crucial for advanced radiation therapy.