Cesium iodide photon converter performance in a gaseous RICH detector

被引:0
|
作者
Gernhäuser, R. [1 ]
Friese, J. [1 ]
Homolka, J. [1 ]
Kastenmüller, A. [1 ]
Kienle, P. [1 ]
Körner, H.-J. [1 ]
Maier-Komor, P. [1 ]
Peter, M. [1 ]
Zeitelhack, K. [1 ]
机构
[1] Physik-Department E12, TU. München, 85747, Garching, Germany
关键词
Cerenkov counters - Cesium compounds - Cosmic ray detectors - Fluorocarbons - Graphite - Phosphors - Photocathodes - Photodetectors - Proportional counters - Quantum efficiency - Ultraviolet radiation;
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摘要
The performance of a 48×48 cm2 multi-wire proportional chamber for VUV photon detection in a RICH setup is reported. The MWPC pad cathode was covered with a solid CsI photo converter layer of 230 μg/cm2 thickness deposited on a resin-stabilized graphite (RSG) coating. Cherenkov light radiated from cosmic muons was detected in the wavelength region 160 nmse>95% and a constant long-term stability of the photo cathode were observed.
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页码:104 / 108
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