NPS Calo How-To

• NPS-HMS DAQ in Hall C
  • how to get to the vtp trigger configuration
  • vtp & v1495 Firmware update 8/23/2023
  • NPS_VTP_DAQ.pdf: A brief guide to the structure of the FADC250/VTP/V1495 NPS Calorimeter DAQ

• NPS_Calo_SlowControls (HV, LV, chiller)
  • Idiosyncracies of the NPS Low Voltage power supply and controls
  • Standard NPS LV settings after Feb 18, 24.
• Taking LED Data
  • Script for turning on LED for each single channel
• Taking Cosmic Data
  • Generating new HVs for cosmic calibration
• Calo Temperature monitoring plots
  • From a terminal, type jmenu and then select "Plots"==>"MyaPlot"
  • Right-click within the plot window and select "Load a Configuration"
  • Select directory "yaopeng"
  • In 8 different plot windows, select configuration files "nps_temp_1.xml"..."nps_temp_8.,xml"

• Setting the Calorimeter angle (SMHS carriage):
  • NPS Survey Results
  • SHMS angle (as defined in magnet gui) = Desired Calo Angle + Offset
  • Average offset 16.289 deg.
  • To set SHMS angle, use universal offset 16.27 deg. Corrections can be made in analysis
  • Setting the SHMS to angles less than 28 deg (NPS < 11.7 deg) requires tech support and two people in the hall
• FermiLab Pub-97-092 on R4125 PMT performance (including lifetime)