pmtgainfluctuations_config.fcl

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BEGIN_PROLOG

FirstDynodeGainFluctuations:
{
  tool_type: "PMTGainFluctuations1Dynode"

  #Constant DynodeK taken from Hamamatsu, PHOTOMULTIPLIER
  #TUBES: Basics and Applications (Fourth Edition)
  #In section 4.2.2.: "determined by the structure and material
  #of the dynode and has a value from 0.7 to 0.8"
  DynodeK:                   0.75

  #VoltageDistribution and Gain taken from Hamamatsu datasheet
  #https://www.hamamatsu.com/resources/pdf/etd/LARGE_AREA_PMT_TPMH1376E.pdf
  #TODO: SBND PMTs base circuit is different to the one specified in the datasheet
  #TODO: Customize these values for the SBND configuration
  VoltageDistribution:    [ 17.4, 3.4, 5.0, 3.33, 1.67, 1.0, 1.2, 1.5, 2.2, 3.0 ]
  Gain:                   1e7            # total typical PMT gain
}

END_PROLOG