Abstract
Results of studying multichannel gas electron multipliers with 1-mm-thick metal electrodes, perforated over the entire working area by 1-mm-diameter holes with a 1.5-mm distance between them, and a 3-mm gap between the electrodes are described. The influence of N2 and H2O microadditives on operation of the neon-filled multiplier is studied. When β particles (63Ni) were detected, the maximal proportional electron multiplication factor in neon under pressure of 1 atm (abs.) with quenching additives of (H2O + N2) ≈ 100 mln−1, equal to K cmplmlt = 3 × 104, is obtained.
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Original Russian Text © B.M. Ovchinnikov, V.V. Parusov, Yu.B. Ovchinnikov, 2011, published in Pribory i Tekhnika Eksperimenta, 2011, No. 1, pp. 49–53.
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Ovchinnikov, B.M., Parusov, V.V. & Ovchinnikov, Y.B. Multichannel gas electron multipliers with metal electrodes. Instrum Exp Tech 54, 43–46 (2011). https://doi.org/10.1134/S0020441210061053
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DOI: https://doi.org/10.1134/S0020441210061053