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Digital gamma-gamma coincidence HPGe system for environmental analysis
Nikola Marković1, Per Roos1, Sven Poul Nielsen1
1Technical University of Denmark, Center for Nuclear Technologies, Frederiksborgvej 399, 4000 Roskilde, Denmark.
A new gamma-gamma coincidence spectrometer system, NUCLeGeS, enhances environmental sample analysis. This system utilizes two HPGe detectors for precise measurements in coincidence and anticoincidence modes.
Area of Science:
- Nuclear Physics
- Environmental Science
- Spectroscopy
Background:
- Environmental sample analysis requires precise radioactive detection.
- Existing methods may have limitations in sensitivity or specificity for certain isotopes.
- Advanced spectroscopic techniques are crucial for accurate environmental monitoring.
Purpose of the Study:
- To report the performance of a novel gamma-gamma coincidence spectrometer system.
- To evaluate the NUCLeGeS system for environmental sample analysis.
- To demonstrate the capabilities of the system in coincidence and anticoincidence modes.
Main Methods:
- Utilized a Nutech Coincidence Low Energy Germanium Sandwich (NUCLeGeS) system.
- Employed two High-Purity Germanium (HPGe) detectors in a surface laboratory.
- Implemented a digital acquisition system for time-stamped list mode data collection with 10ns resolution.
Main Results:
- The NUCLeGeS system demonstrated effective gamma-gamma coincidence spectroscopy.
- The system achieved high time resolution (10ns) for data acquisition.
- Performance was evaluated for both anticoincidence and coincidence operational modes.
Conclusions:
- The NUCLeGeS system is a viable tool for environmental sample analysis.
- The spectrometer's design and digital acquisition enable precise measurements.
- Further applications in nuclear technology and environmental monitoring are anticipated.
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