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Journal Articles

Usage of a capillary plate as a pre-gas-amplification device for a neutron microstrip gas chamber

Nakamura, Tatsuya; Masaoka, Sei; Yamagishi, Hideshi; Sakasai, Kaoru; Soyama, Kazuhiko; Aizawa, Kazuya

IEEE Transactions on Nuclear Science, 51(4), p.1519 - 1523, 2004/08

 Times Cited Count:2 Percentile:18.41(Engineering, Electrical & Electronic)

A capillary plate (CP) comprising an assembly of fine glass tubes was applied as a pre-gas-amplification device for a microstrip gas chamber (MSGC) operating under high-gas pressure of helium-3 for use in neutron detection. The collection efficiency of the electrons between the CP and MSGC was maximally 17% using neutrons. The effective gas gain of the detector system was $$sim$$600 at a gas pressure of 3 atm with a 10% mixture of ethane with helium-3, confirming the feasibility of the CP as a pre-gas-amplification device. Moreover, we demonstrated that the coincidence measurement of the signals between the CP and the anodes of MSGC decreased the background levels of electronics noise, electronic discharges, and $$gamma$$-rays, indicating that a detector system with a low background can be constructed using the CP.

Journal Articles

Selection of filter media used for monitoring airbone alpha-emitting particles in a radiological emergency

Kinouchi, Nobuyuki; Oishi, Tetsuya; Noguchi, Hiroshi; Kato, Shohei; Ishizawa, Masato*

Radioisotopes, 50(9), p.403 - 407, 2001/09

no abstracts in English

Journal Articles

Selection of filter media in alpha air monitors for emergency environmental monitoring

Kinouchi, Nobuyuki; Oishi, Tetsuya; Noguchi, Hiroshi; Kato, Shohei; Ishizawa, Masato*

Proceedings of 10th International Congress of the International Radiation Protection Association (IRPA-10) (CD-ROM), 4 Pages, 2000/05

no abstracts in English

Journal Articles

Performance of improved cellulose-glass fiber filter paper for radioactive aerosol sampling

Kinouchi, Nobuyuki; Onodera, Junichi; Yoshino, Toshiaki; Murata, Mikio; *

Hoken Butsuri, 30, p.309 - 314, 1995/00

no abstracts in English

Journal Articles

Evaluation on collection efficiency of activated carbon fiber filter for radioactive hydrogen sulfide in air effluent monitoring

; Kajimoto, Yoichi; ; Endo, Akira; Ikezawa, Yoshio

Hoken Butsuri, 29, p.189 - 194, 1994/00

no abstracts in English

Journal Articles

Experiences in monitoring airborne radioactive contamination in JAERI

; ; Yabe, Akira

Proc.of 5th Int.Radiation Protection Association Congress, p.217 - 220, 1980/00

no abstracts in English

Journal Articles

Performance of canisters and cartridges of respiratory protective masks.

; ;

Seifuthi Daijesuto, 22(6), p.217 - 219, 1976/06

no abstracts in English

Journal Articles

Performance of cellulose-glass filter paper (HE-40T) for radioactive aerosol sampling

; ; ; ; ; *

Hoken Butsuri, 11(3), p.207 - 210, 1976/03

no abstracts in English

Journal Articles

Collection efficiency of air sampling filter papers for polystyrene latex aerosols

; ; ; ; *

Hoken Butsuri, 8(3), p.145 - 152, 1973/03

no abstracts in English

Journal Articles

General expression of the functional collection efficiency for a cascade impactor

;

Journal of Nuclear Science and Technology, 9(10), p.620 - 621, 1972/10

no abstracts in English

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