Demand for He-3 neutron detectors in the world and development of the alternative detectors in J-PARC

Sakasai, Kaoru ; Nakamura, Tatsuya ; To, Kentaro ; Soyama, Kazuhiko

After the simultaneous terrorist attacks on September 11, 2001 in the U.S., the supply for He-3 gas has stagnated. Therefore, development of alternative to the He-3 detectors has been conducted in a large neutron experiment facility such as J-PARC, where a lot of He-3 neutron detectors are required. In this report, the supply for He-3 gas in the world is over-viewed and the development status of the alternative detectors using wavelength-shifting fibers and scintillators in J-PARC is described.

Language	:	Japanese
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Meeting title	:	日本原子力学会2015年秋の大会
Held date	:	2015/09
Location (city)	:	静岡
Location (country)	:	日本
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Keywords	:	He-3ガス; 代替検出器
Research Facility	:	J-PARC物質・生命科学実験施設
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Registration No. : BB20151336
JAEA Abstracts No. :
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