Author/Authors :
Carboni، نويسنده , , G. and De Capua، نويسنده , , S. and Domenici، نويسنده , , D. and Messi، نويسنده , , R. and Natali Sora، نويسنده , , G. and Santovetti، نويسنده , , E.، نويسنده ,
Abstract :
We performed a direct measurement of the avalanche charge with a 10 × 10 cm 2 prototype resistive plate chambers with a 0.2 cm gas gap. We studied its behaviour with respect to the high voltage and its dependence on the presence of the SF6 in the gas mixture (C2H2F4/i-C4H10/SF6 in the ratio 95/4/1 and 96/4/0). The measurements showed a double exponential behaviour of the average avalanche charge with respect to the high voltage. A comparison with other results has been discussed.
Keywords :
RPC , detector , avalanche , charge , SF6
