Author/Authors :
G and Zeitelhack، نويسنده , , K and Stolz، نويسنده , , A and Bauer، نويسنده , , B and Erbe، نويسنده , , C and Friese، نويسنده , , J and Gernhنuser، نويسنده , , R and Kastenmüller، نويسنده , , A and Kienle، نويسنده , , P and Kِrner، نويسنده , , H.-J and Maier-Komor، نويسنده , , P and Münch، نويسنده , , M and Winkler، نويسنده , , S، نويسنده ,
Abstract :
A microstrip gas chamber (MSGC) with a semi-transparent CsI photon converter for the detection of single VUV photons is described. The detector is sensitive to photons in the wavelength region 160 nm < λ < 220 nm and is operated with ArC4H10 (90-10) as detector gas at p = 1000 mbar with a gain g ⋍ 3 × 104. The back electrode of the MSGC is formed by a pad array allowing for two-dimensional position determination of the incident photon. For single VUV photons at λ ⋍ 172 nm a detection efficiency εtot ⋍ 9% with anode readout and εtot ⋍ 3.5% with pad readout could be achieved.
