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arXiv physics/0611068physics.ins-det
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单电子计数工作的两相氩雪崩探测器

A two-phase argon avalanche detector operated in a single electron counting mode

A. Bondar, A. Buzulutskov, A. Grebenuk, D. Pavlyuchenko, R. Snopkov, Y. Tikhonov, V. A. Kudryavtsev, P. K. Lightfoot, N. J. C. Spooner

摘要:

研究了双相氩雪崩探测器在单电子计数模式下的性能,以及在相干中微子-核散射和暗物质搜索实验中的潜在应用。该检测器由1 cm厚的液体Ar层和在液相上方的饱和蒸气中操作的三重GEM倍增器组成。在单电子计数模式下,在增益范围从6000到40000的探测器的成功操作,已首次被证明。

英文摘要:

The performance of a two-phase Ar avalanche detector in a single electron counting mode was studied, with regard to potential application in coherent neutrino-nucleus scattering and dark matter search experiments. The detector comprised of a 1 cm thick liquid Ar layer and a triple-GEM multiplier operated in the saturated vapour above the liquid phase. Successful operation of the detector in single electron counting mode, in the gain range from 6000 to 40000, has for the first time been demonstrated.

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