Author/Authors :
Aleksan، نويسنده , , R and Amadon، نويسنده , , A and Besson، نويسنده , , P and Bourgeois، نويسنده , , Ph and Hamel de Montchenault، نويسنده , , G and Gaidot، نويسنده , , A and Lemaire، نويسنده , , M.C and Le Meur، نويسنده , , J and London، نويسنده , , G and Robert، نويسنده , , J.P، نويسنده ,
Abstract :
A fast RICH prototype with a CsI photocathode has been built. The quantum efficiency has been estimated by two independent techniques: a UV lamp measurement and a detection of Cherenkov light produced in a liquid radiator. The crucial influence of the photocathode substrate on the quantum yield is demonstrated in this paper. The results obtained with our prototype have been used to simulate the performances of a Fast RICH for a B meson factory.