Development of a neutron detector with a GEM

Development of a neutron detector with a GEM

We are developing a neutron beam monitor with a gas electron multiplier (GEM) for the high-intensity total diffractometer at J-PARC. In order to analyze the basic characteristics of the GEM-based detector, a neutron irradiation test was carried out at J-PARC. The wavelength-spectrum distribution obt...

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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, 2010-11, Vol.623 (1), p.126-128
Hauptverfasser: Ohshita, H., Uno, S., Otomo, T., Koike, T., Murakami, T., Satoh, S., Sekimoto, M., Uchida, T.
Format: Artikel
Sprache:eng
Schlagworte:
Accelerators
Beams (radiation)
Computer simulation
Detectors
Gas electron multiplier
GEM
J-PARC
Mathematical analysis
MLF
Monitors
Monte Carlo methods
Neutron beam monitor
Neutron beams
Neutron detector
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Zusammenfassung:We are developing a neutron beam monitor with a gas electron multiplier (GEM) for the high-intensity total diffractometer at J-PARC. In order to analyze the basic characteristics of the GEM-based detector, a neutron irradiation test was carried out at J-PARC. The wavelength-spectrum distribution obtained from the test is consistent with the calculations, and the beam profiles agree with the simple Monte Carlo (MC) simulation. The position resolution of the GEM-based detector is estimated to be approximately 1.2mm. Therefore we found that as a neutron beam monitor, the GEM-based detector has good two-dimensional imaging ability.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2010.02.170