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Updated: Dec 13, 2025

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band
Published on: May 2, 2018
Stand-off radiation detection techniques.
Ashwini Sawant1, Donghyun Kwak1, Ingeun Lee1
1Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, South Korea.
Remote detection of radioactive materials is crucial for safety. This study reviews gamma-ray detectors and muon imaging for identifying radioactive sources from afar, exploring current and novel techniques for long-range detection.
Area of Science:
- Nuclear physics
- Radiation detection technology
- Remote sensing
Background:
- Safe management of radioactive materials necessitates effective remote detection techniques.
- Gamma rays are highly penetrating photons emitted during radioactive decay, making them suitable for remote detection.
- Current detection methods face limitations in range and sensitivity.
Purpose of the Study:
- To provide a comprehensive overview of existing and emerging gamma-ray detection techniques for remote sensing of radioactive materials.
- To explore the potential of muon detectors as radioactive material imagers.
- To identify promising technologies for achieving remote detection capabilities over several kilometers.
Main Methods:
- Review of material-based gamma-ray detectors.
- Review of vacuum tube-based gamma-ray detectors.
- Evaluation of muon detectors for radioactive material imaging.
Main Results:
- Overview of widely used gamma-ray detectors.
- Discussion of novel detector concepts for enhanced remote detection.
- Assessment of muon detectors' capabilities for imaging radioactive sources.
Conclusions:
- Gamma-ray and muon detection technologies offer pathways for remote identification of radioactive materials.
- Advancements in detector technology are crucial for improving remote detection range and effectiveness.
- Further research into novel concepts promises significant progress in long-range radioactive material monitoring.
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