Increased photoelectron collection efficiency of a photomultiplier in an aerogel Cherenkov counter

P.J. Carlson,K.E. Johansson,J. Kesteman,J. Norrby,O. Pingot, S. Tavernier,F. Van Den Bogaert,L. Van Lancker

Nuclear Instruments and Methods（1979）

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摘要

In a small aerogel Cherenkov counter with diffusing walls, an increase of the photoelectron yield by 40% was measured when the voltage across the cathode to first dynode was increased from 0.6 to 1.7 kV on the 11 cm RCA 8854 photomultiplier tube. A comparison is made with results from other experiments. A general formula for diffusion-type counters is given.

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