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PMT Aging/Rate Studies
 
 
We recently received a new 4th generation, 8-stage Hamamatsu R-5900 PMT (8C28R3) from CERN and we tested its aging characteristics using a pulsed blue LED at various pulsing rates (values between 0-10 MHz).  We also tested the aging characteristics of a 3rd generation, 10-stage Hamamatsu R-5900 PMT (6A23C1).  As well as a 2nd Generation PMT (5M27C3). Documentation of our PMT Aging/Rate Experiment.
  • "Aging/Rate Studies of Hamamatsu R-5900 Photomultiplier Tubes for ATLAS TileCal" - 7/21/98 (Postscript)