Author/Authors :
Bellunato، نويسنده , , T and Calvi، نويسنده , , M and Matteuzzi، نويسنده , , C and Musy، نويسنده , , M and Negri، نويسنده , , P and Braem، نويسنده , , A and Chesi، نويسنده , , E and Hansen، نويسنده , , C and Liko، نويسنده , , D and Joram، نويسنده , , C and Neufeld، نويسنده , , N and Séguinot، نويسنده , , J and Weilhammer، نويسنده , , P and Buzykaev، نويسنده , , A.R and Kravchenko، نويسنده , , E.A. and Onuchin، نويسنده , , A.P and Danilyuk، نويسنده , , A.F. and Easo، نويسنده , , S and Wotton، نويسنده , , S and Jolly، نويسنده , , S، نويسنده ,
Abstract :
Aerogel with index of refraction around 1.03 has been studied as Cherenkov radiator in a test at CERN PS using a π− and a mixed π+/p beam of momenta between 6 and 10 GeV/c. The Cherenkov photons were detected by means of four large HPD tubes designed and constructed at CERN. Results on the photoelectron yield, the Cherenkov angle and its resolution, and the π/p separation are obtained. The performances measured demonstrate that a RICH with aerogel is a viable detector for experiments with high multiplicity of particles in the final state.
Keywords :
aerogel , Cherenkov , Radiator , Hybrid Photon Detectors , Angular resolution
