High-pressure 3He–Xe gas scintillators for simultaneous detection of neutrons and gamma rays over a large energy range

High-pressure 3He–Xe gas scintillators for simultaneous detection of neutrons and gamma rays over a large energy range

We report on features of high-pressure 3He–Xe gas scintillators which have not been sufficiently addressed in the past. Such gas scintillators can be used not only for the efficient detection of low-energy neutrons but at the same time for the detection and identification of γ ‐ rays as well. Furthe...

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Veröffentlicht in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2011-08, Vol.647 (1), p.86-93
Hauptverfasser: Tornow, W., Esterline, J.H., Leckey, C.A., Weisel, G.J.
Format: Artikel
Sprache:eng
Schlagworte:
Accelerators
Detection of special nuclear materials
Detectors
Energy (nuclear)
Fast neutrons
formula omitted
Gamma rays
Gas scintillators
Neutrons
Self calibration
Spectrometers
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Zusammenfassung:We report on features of high-pressure 3He–Xe gas scintillators which have not been sufficiently addressed in the past. Such gas scintillators can be used not only for the efficient detection of low-energy neutrons but at the same time for the detection and identification of γ ‐ rays as well. Furthermore, 3He–Xe gas scintillators are also very convenient detectors for fast neutrons in the 1–10 MeV energy range and for high-energy γ ‐ rays in the 7–15 MeV energy range. Due to their linear pulse-height response and self calibration via the 3He(n,p) 3H reaction, neutron and γ ‐ ray energies can easily be determined in this high-energy regime.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2011.05.022