PMT rate tests

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PMT Rate Tests

We test the signal output of the Hamamatsu PMT assembly H10534MOD. This is based on a 10 stage tube with two outputs. The test are performed using a reference PMT assembly in a laser beam where the light output of the laser is adjusted to generate a signal in the reference PMT assembly that is similar to what is seen by the PMTs in the TOF paddle at 1550V operating voltage.

  • Reference PMT with laser output at 6.12
    • PMT HV 1550V 1kHz
      Pmt ref 1kHz 1550V.png
    • PMT HV 1550V 1kHz
      Pmt ref 1kHz 1550V zoom.png
    • PMT HV 1300V 1kHz
      Pmt ref 1kHz 1300V.png
    • PMT HV 1300V 1kHz
      Pmt ref 1kHz 1300V zoom.png
    • PMT HV 1300V 2MHz
      Pmt ref 2MHz 1300V.png
    • PMT HV 1300V 5MHz
      Pmt ref 5MHz 1300V.png
    • PMT HV 1300V 10MHz
      Pmt ref 10MHz 1300V.png
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