Review of the development of cesium iodide photocathodes for application to large RICH detectors
CsI photocathodes were studied in order to evaluate their potential use as large photoconverters in RICH detectors for the PID system at ALICE (LHC in heavy ion collider mode). It has been demonstrated that a quantum efficiency comparable to the reference value obtained on small samples can be obtained on CsI layers evaporated on large pad electrodes operated in a MWPC at atmospheric pressure. We present a survey of the results obtained in the laboratory on small samples irradiated with UV-monochromatic beams and with RICH detectors of proximity-focusing geometry at a 3 GeV/c pion beam.
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Keywords: PRESSURE WIRE CHAMBER
Cern,ch-1211 geneva,switzerland. ecole polytech fed lausanne,lausanne,switzerland. cens,dapnia,gif sur yvette,france. weizmann inst sci,il-76100 rehovot,israel. ist nazl fis nucl,i-70126 bari,italy. politecn bari,bari,italy. tech univ munich,w-8046 garching,germany. ist nazl fis nucl,padua,italy. univ padua,padua,italy. rudjer boskovic inst,zagreb,croatia. ecole polytech,lpnhe,cnrs,in2p3,palaiseau,france. subatech,nantes,france.
ISI Document Delivery No.: TM153
Record created on 2006-10-03, modified on 2016-08-08