Long-term x-ray suppression system in an accelerating tube

Area of Science:

• Physics
• Accelerator Technology
• Radiation Shielding

Background:

• Compact accelerating facilities (AF) require effective radiation shielding.
• X-ray emission is a significant concern in high-energy systems.
• The
• Sokol
• AF operates at 1400 kV.

Purpose of the Study:

• To present experimental and theoretical research on an x-ray suppression system for the
• Sokol
• AF.
• To evaluate the effectiveness of a magnetic system in reducing dose rates.
• To validate the system's performance over an extended operational period.

Main Methods:

• Implementation of a magnetic suppression system using permanent Neodymium-Iron-Boron (Nd-Fe-B) magnets.
• Experimental measurement of dose rates before and after system installation.
• Analysis of beam profile and emittance using electrostatic accelerator data.
• Long-term performance monitoring over 17 years.

Main Results:

• The magnetic system suppressed the dose rate by two orders of magnitude (from 65 to 1.45 μrad/s).
• Experimental data confirmed the system's effectiveness on beam profile and emittance.
• System performance remained consistent with initial 2007 study parameters in 2025 data.

Conclusions:

• The Nd-Fe-B magnetic system provides a highly effective solution for x-ray suppression in the
• Sokol
• AF.
• The system demonstrates long-term stability and reliability, validated over 17 years of operation.
• This research highlights a practical and applied novelty in sustained radiation dose reduction for accelerators.