Comparison between large discharges of a gas counter in pure CH4 and in a CH4Ar mixture

Akihiro Nohtomi, Tatsuya Matsumoto, K. Narita, Yusuke Uozumi, T. Sakae, M. Matoba, N. Koori, H. Ijiri

研究成果: ジャーナルへの寄稿レター

抄録

Gas discharge characteristics in pure CH4 have been studied in the high gas-multiplication region by using a gas counter with a thick anode wire (50 μm in diameter) and compared with those of the self-quenching streamer (SQS) mode in a CH4Ar mixture. The results of the first optical observation indicate that the large pulses observed in CH4, whose pulse amplitudes are comparable to those of the SQS mode, are not due to streamer discharges. Instead, a luminous region is observed near the anode wire (r ≤ 0.7 mm) where the electric field is higher than the threshold value for gas multiplication, 104 V/cm.

元の言語英語
ページ(範囲)582-584
ページ数3
ジャーナルNuclear Inst. and Methods in Physics Research, A
365
発行部数2-3
DOI
出版物ステータス出版済み - 11 11 1995

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Discharge (fluid mechanics)
counters
multiplication
anodes
quenching
Gases
gases
wire
Quenching
Anodes
gas discharges
Wire
pulse amplitude
thresholds
electric fields
Electric fields
pulses

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

これを引用

Comparison between large discharges of a gas counter in pure CH4 and in a CH4Ar mixture. / Nohtomi, Akihiro; Matsumoto, Tatsuya; Narita, K.; Uozumi, Yusuke; Sakae, T.; Matoba, M.; Koori, N.; Ijiri, H.

:: Nuclear Inst. and Methods in Physics Research, A, 巻 365, 番号 2-3, 11.11.1995, p. 582-584.

研究成果: ジャーナルへの寄稿レター

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T1 - Comparison between large discharges of a gas counter in pure CH4 and in a CH4Ar mixture

AU - Nohtomi, Akihiro

AU - Matsumoto, Tatsuya

AU - Narita, K.

AU - Uozumi, Yusuke

AU - Sakae, T.

AU - Matoba, M.

AU - Koori, N.

AU - Ijiri, H.

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N2 - Gas discharge characteristics in pure CH4 have been studied in the high gas-multiplication region by using a gas counter with a thick anode wire (50 μm in diameter) and compared with those of the self-quenching streamer (SQS) mode in a CH4Ar mixture. The results of the first optical observation indicate that the large pulses observed in CH4, whose pulse amplitudes are comparable to those of the SQS mode, are not due to streamer discharges. Instead, a luminous region is observed near the anode wire (r ≤ 0.7 mm) where the electric field is higher than the threshold value for gas multiplication, 104 V/cm.

AB - Gas discharge characteristics in pure CH4 have been studied in the high gas-multiplication region by using a gas counter with a thick anode wire (50 μm in diameter) and compared with those of the self-quenching streamer (SQS) mode in a CH4Ar mixture. The results of the first optical observation indicate that the large pulses observed in CH4, whose pulse amplitudes are comparable to those of the SQS mode, are not due to streamer discharges. Instead, a luminous region is observed near the anode wire (r ≤ 0.7 mm) where the electric field is higher than the threshold value for gas multiplication, 104 V/cm.

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