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Gas electron multiplier: performance and possibilities

M. A. Negodaev, B. N. Lomonosov, S. K. Kotelnikov, A. V. Bagulya, E. M. Negodaeva, A. N. Laritchev, V. Yu. Zhukov, L. N. Smirnova

hep-exarXiv:hep-ex/9810009

Abstract

The gas electron multiplier produced with the polyimide film 100 um thick. The maximum gas gain obtained with gas mixture Ar/CH4(91/9) was 5000. No decrease of gas gain with rates up to 2·104 1/(mm2 s) was observed. The possibility of operation of GEM with and without MSGC is discussed

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