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MTR2: a discriminator and dead-time module used in counting systems
1BNM-LPRI, CEA/DAMRI, BP 52, Gif-sur-Yvette, France.
Summary
A new electronic module, MTR2 (Module de Temps-mort Reconductible), offers advanced pulse height discrimination and extendible dead-time corrections for radioactivity measurement. It improves counting system accuracy using the live-time method and is available in NIM standard.
Area of Science:
- Nuclear Physics and Instrumentation
- Electronics and Signal Processing
Background:
- Specialized electronic modules are crucial for radioactivity measurement.
- Market availability of high-performance modules for pulse height discrimination and dead-time correction is often limited.
Purpose of the Study:
- To present the MTR2 (Module de Temps-mort Reconductible), a novel electronic module designed for pulse height discrimination and dead-time corrections in radioactivity counting systems.
- To address the need for specialized modules that meet specific performance requirements in nuclear detection.
Main Methods:
- Development and testing of the MTR2 module at LPRI.
- Implementation of an extendible dead-time mechanism triggered by both positive and negative pulse components.
- Application of the live-time method for accurate dead-time corrections.
Main Results:
- The MTR2 module successfully performs pulse height discrimination and dead-time corrections.
- The module's extendible dead-time and live-time correction methods enhance counting accuracy.
- The electronic design and performance characteristics have been validated.
Conclusions:
- The MTR2 module provides a viable solution for specialized radioactivity measurement needs.
- It can be integrated into simple counting channels or complex coincidence systems.
- The module's availability in the NIM standard facilitates its adoption in various experimental setups.