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arXiv · 1003.1240

A multi-channel wire gas electron multiplier

B. M. Ovchinnikov·V. V. Parusov·Yu. B. Ovchinnikov
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Abstract

A novel and relatively simple method of production of electrodes for a multi-channel wire gas multiplier is developed. Two modifications of the multipliers have been tested: with a multiplication of electrons between two wire electrodes, MWGEM, and between a wire electrode and continuous anode, MWCAT. For both MWGEM and MWCAT detectors, filled with neon under pressure of 760 Torr and irradiated by beta-particles (Ni-63), the coefficient of proportional multiplication of electrons up to 10000 was obtained. For the MWGEM detector irradiated by alpha-particles (Pu-239), the coefficient of proportional multiplication of 300 was obtained. It is observed, that in contrast to the GEM detectors, produced by perforation of a metal-clad plastic foil, in a MWGEM the discharges do not destroy its electrodes even for the potentials above the threshold of discharges. The results on operation of the MWCAT filled with Ar, Ar+CH4 and Ar+1% Xe are also presented.

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B. M. Ovchinnikov, V. V. Parusov, Yu. B. Ovchinnikov. 2010-03-05. A multi-channel wire gas electron multiplier. https://doi.org/10.1134/s0020441210050064

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