A three-dimensional neutron localization method based on double-scattering imaging and reconstruction algorithm

Area of Science:

• Nuclear physics and instrumentation
• Radiation detection and imaging

Background:

• Accurate three-dimensional localization of neutron emitters is essential for radiation safety.
• Existing methods may lack the precision needed for complex nuclear environments.

Purpose of the Study:

• To develop and validate a novel method for 3D neutron source localization.
• To enhance safety protocols in nuclear decommissioning and security operations.

Main Methods:

• Design and optimization of a double-layer scintillator array detector.
• Development of a 3D localization algorithm utilizing a double-scattering principle.
• Performance evaluation through detailed simulations.

Main Results:

• The proposed system achieved centimeter-level accuracy in localizing neutron sources.
• Simulations confirmed the effectiveness of the optimized detector and reconstruction algorithm.
• A balance between detection efficiency and spatial resolution was successfully obtained.

Conclusions:

• The developed double-scattering imaging system offers a practical solution for 3D neutron source localization.
• This technology holds significant potential for improving nuclear decommissioning safety.
• The method provides a reliable tool for nuclear safety and security applications.