Among other neutron detector systems proposed as a possible substitute for 3He tubes, GEM-based ones have shown appealing characteristics, when coupled with suitable neutron-converter cathodes. In this paper, we present the results of a GEM-based neutron detector in a high-flux environment (the ORPHÉE reactor in Saclay), especially in terms of maximum rate capability and linearity. Recorded data show that the detector can manage neutron counting rates in the order of 50 × 106 counts/sec cm2 while maintaining a reasonable linearity and with no sign of instability.
Cippo, E., Croci, G., Muraro, A., Menelle, A., Albani, G., Cavenago, M., et al. (2015). A GEM-based thermal neutron detector for high counting rate applications. JOURNAL OF INSTRUMENTATION, 10(10) [10.1088/1748-0221/10/10/P10003].
A GEM-based thermal neutron detector for high counting rate applications
Croci, G;Muraro, A;Albani, G;Rebai, M;Gorini, G
2015
Abstract
Among other neutron detector systems proposed as a possible substitute for 3He tubes, GEM-based ones have shown appealing characteristics, when coupled with suitable neutron-converter cathodes. In this paper, we present the results of a GEM-based neutron detector in a high-flux environment (the ORPHÉE reactor in Saclay), especially in terms of maximum rate capability and linearity. Recorded data show that the detector can manage neutron counting rates in the order of 50 × 106 counts/sec cm2 while maintaining a reasonable linearity and with no sign of instability.
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