review · Nuclear Science and Engineering
This paper reviews various methods for discriminating between neutrons and gamma rays when using organic scintillators. This distinction is crucial for accurate radiation detection in fields such as homeland security, medical sciences, and high-energy physics, where mixed radiation environments are common. The review examines both classical and advanced approaches, comparing their accuracy and suitability for different types of organic scintillators. It also analyses the latest advanced techniques and provides recommendations for the research community, offering a structured overview for readers from diverse backgrounds.
Accurate neutron detection is increasingly important across many sectors, from ensuring public safety to advancing medical treatments. This review helps researchers and practitioners understand the best techniques for distinguishing neutrons from gamma rays, which is a fundamental challenge in developing more reliable and effective radiation detection systems.
Improved neutron-gamma discrimination methods could lead to more effective and reliable radiation detection systems for homeland security applications, such as identifying illicit nuclear materials. In medical sciences, it could enhance radiation therapy planning or diagnostic imaging. This is foundational research, reviewing existing and advanced techniques, which could inform the development of future detection technologies and instruments for various end-users like security agencies and medical facilities.
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Neutron detection is increasingly vital in various fields such as homeland security, medical sciences, and high-energy physics. However, interference from accompanying gamma rays poses a critical challenge in discrimination. Neutron-gamma discrimination in a mixed radiation field is the major challenge with neutron detectors, especially with organic scintillators. In this context, various approaches, both classical and advanced, have been suggested to address this challenge. The purpose of this paper is to provide readers from various backgrounds with a structured view of these approaches for neutron-gamma discrimination, using different types of organic scintillators. Selected reference works are reviewed in this prospect. Then, a comparison study of these methods according to accuracy and type of detector is conducted. Finally, an analysis of the latest advanced methods is provided. Potential recommendations to the research community are outlined.
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DOI: 10.1080/00295639.2024.2316946
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