NDLI: Observation of neutron-induced signals using two-dimensional micro-pixel gas chamber

Content Provider	IEEE Xplore Digital Library
Author	Toh, K. Yamagishi, H. Sakasai, K. Nakamura, T. Soyama, K. Ochi, A. Tanimori, T.
Copyright Year	2008
Description	Author affiliation: Cosmic-Ray Group, Department of Physics, Graduate School of Science, Kyoto University, 606-8502 Japan (Tanimori, T.) \|\| Department of Physics, Graduate School of Science and Technology, Kobe University, 657-8501 Japan (Ochi, A.) \|\| J-PARC center, Japan Atomic Energy Agency, Tokai 319-1195 Japan (Toh, K.; Yamagishi, H.; Sakasai, K.; Nakamura, T.; Soyama, K.)
Abstract	A gas-based neutron detection system with individual readout method and comprising a micro-pixel detector head was constructed, and preliminary experiments were conducted under neutrons irradiation. The detection system also consisted of a micro-pixel detector head, a gas chamber that had feedthrough lines of 541 channels, amplifier-shaper-discriminator boards, position encoders with field programmable gate arrays, and a device capable of fast data acquisition. The micro-pixel detector head exhibited a fast response time, and the full width at half maximum of the response time was 160 ns. Its gas gain was about 50 at an anode-cathode voltage of 560 V and a gas pressure of 0.5 MPa (0.45 MPa for He and 0.05 MPa for CF). Signal pulse peaks of neutrons could be identified and their output voltages at an anode and a cathode were 2.4 and 5.3 mV, respectively; on the other hand, the output voltage of all the anodes was 105 mV. The neutron detection system could easily distinguish neutron signals from the background noise, and the gas gain of the micro-pixel detector head did not changed.
Starting Page	2358
Ending Page	2361
File Size	1985266
Page Count	4
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4774830
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neutrons Detectors Voltage Delay Anodes Field programmable gate arrays Sensor arrays Data acquisition Helium Signal processing radiation detectors gas detectors neutron detectors position measurement
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Observation of Neutron-Induced Signals Using Two-Dimensional Micro-Pixel Gas Chamber

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