First results of the two-phase argon avalanche detector performance with CsI photocathode
arXiv:physics/0702237 · doi:10.1016/j.nima.2007.07.086
Abstract
The performance of a two-phase Ar avalanche detector with CsI photocathode was studied, with regard to potential application in coherent neutrino-nucleus scattering and dark matter search experiments. The detector comprised a 1 cm thick liquid Ar layer and a triple-GEM multiplier operated in the saturated vapor above the liquid phase; the CsI photocathode was deposited on the first GEM. Successful detection of both primary scintillation and ionization signals, produced by beta-particles in liquid Ar, has for the first time been demonstrated in the two-phase avalanche mode.
4 pages, 8 figures. Presented at the 11th Vienna Conference on Instrumentation, Feb 19-24, 2007
References in corpus (4)
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- Two-phase argon and xenon avalanche detectors based on Gas Electron Multipliers
- First results from cryogenic avalanche detectors based on gas electron multipliers
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- Direct observation of avalanche scintillations in a THGEM-based two-phase Ar avalanche detector using Geiger-mode APD
- On the operation of a Micropattern Gaseous UV-Photomultiplier in Liquid-Xenon
- Electron emission properties of two-phase argon and argon-nitrogen avalanche detectors
- On the low-temperature performances of THGEM and THGEM/G-APD multipliers in gaseous and two-phase Xe
- Geiger Mode APD performance in a cryogenic two-phase Ar avalanche detector based on THGEMs
- Recent results on the properties of two-phase argon avalanche detectors
- Evolution and Recent Developments of the Gaseous Photon Detectors Technologies