Author/Authors :
Gernhنuser، نويسنده , , R. and Friese، نويسنده , , J. and Homolka، نويسنده , , J. and Kastenmüller، نويسنده , , A. and Kienle، نويسنده , , P. and Kِrner، نويسنده , , H.-J. and Maier-Komor، نويسنده , , P. and Péter، نويسنده , , M. and Zeitelhack، نويسنده , , K.، نويسنده ,
Abstract :
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 nm<λ<220 nm with an average quantum efficiency of 16%. A single photo electron detection efficiency εse>95% and a constant long-term stability of the photo cathode were observed.
Keywords :
CSI , RSG , rich , Pad cathode , MWPC , C6F14 radiator , Cosmic muons , AMPLEX , Quantum efficiency
