Welcome to SECAR Documentation!

This document will walk you through SECAR operation, data analysis, and maintenance.

Contents:

• 1. Revisions
• 2. Introduction
• 3. Keithley Modules
  • 3.1. Introduction
  • 3.2. Setting Up Keithley Modules for Remote Current Readout
  • 3.3. Shutting Keithley Modules Down
• 4. Windowless Extended Gas Target
  • 4.1. Introduction
  • 4.2. Accessing CS-Studio Control Page for Both SECAR’s Gas Targets
    • 4.2.1. P&ID Diagram
    • 4.2.2. Operating Mode Controls
    • 4.2.3. Supplemental Controls
  • 4.3. Extended Gas Target Vacuum System
    • 4.3.1. How to Turn Pumps ON
    • 4.3.2. How to Turn Pumps OFF
    • 4.3.3. How to Zero the Capacitance Manometer Gauges
  • 4.4. Operation of the Extended Gas Target with a Non-Explosive Gas
    • 4.4.1. Purging System Manually in case of a Slow Rising Oxygen
    • 4.4.2. Venting the System after Running with a Non Explosive Gas
    • 4.4.3. Emergency Shutdown Procedure for Non-Explosive Gas
    • 4.4.4. How to Change the Non-Explosive Gas Bottle
  • 4.5. The Interlocks of the Extended Gas Target
  • 4.6. Operation of the Extended Gas Target with Hydrogen
    • 4.6.1. Roles and Responsibilities of Hydrogen Operation of the Extended Gas Target
    • 4.6.2. Hardware Specific to Hydrogen Operation
    • 4.6.3. How to Change Hydrogen Bottle
    • 4.6.4. What to Do prior to and during Hydrogen Operation?
    • 4.6.5. How to Test the Oxygen Sensor’s Integrity
    • 4.6.6. Locking and Re-entering into ReA3 Vault
    • 4.6.7. How to Operate the System with Hydrogen
    • 4.6.8. Venting the System after Running with Hydrogen
    • 4.6.9. Changing to Manual Mode during Hydrogen Operation
    • 4.6.10. Emergency Shutdown Procedure while Running with Hydrogen
  • 4.7. Operation of the Target Detectors
    • 4.7.1. The JENSA CAEN Power Supply for the Silicon and BGO Detectors
    • 4.7.2. High Voltage Cards
    • 4.7.3. How to Operate the JENSA CAEN Power Supply
    • 4.7.4. How to Turn the CAEN Power Supply OFF
    • 4.7.5. How to Insert a New HV Card into the JENSA CAEN Power Supply
  • 4.8. Long Term Shut Down Procedure
• 5. The Jet Target
  • 5.1. Introduction
  • 5.2. Pumping Down JENSA
  • 5.3. Priming the JENSA Compressor
  • 5.4. Pumping Down the Compressor
  • 5.5. Turning ON the JET
  • 5.6. Turning OFF the JET
  • 5.7. Emergency Shutdown
  • 5.8. Venting JENSA
• 6. Vacuum System
  • 6.1. Foreline Vacumm Systems and Rough Pumps
  • 6.2. High Vacuum Pumps
  • 6.3. Operation of the Cryo Pumps
    • 6.3.1. When and How to Regenerate the Cryopumps
    • 6.3.2. How to Shut Down the Cryopumps
  • 6.4. SECAR Vacuum System
    • 6.4.1. Venting Beamline
    • 6.4.2. Pumping Down Beamline
    • 6.4.3. How to Change a Vacuum Interlock
  • 6.5. Wien Filters Vacuum System
    • 6.5.1. Venting Wien Filter Chambers
    • 6.5.2. How to Shut Down Wien Filter Turbo Pumps
    • 6.5.3. Pumping Down Wien Filter Chambers
    • 6.5.4. Vacuum Interlocks for the Wien Filters
• 7. Magnets
  • 7.1. Scaling SECAR Magnets
  • 7.2. Hall Probes
• 8. Diagnostics
  • 8.1. Viewers
    • 8.1.1. JENSA Viewer
  • 8.2. Faraday Cups
  • 8.3. Slits
  • 8.4. Collimators
    • 8.4.1. JENSA Collimator
  • 8.5. MCP Foil and Mask Drives
• 9. Wien Filters
• 10. Detectors
  • 10.1. Passivated Implanted Planar Silicon Detectros (PIPS)
    • 10.1.1. PIPS Bias
    • 10.1.2. PIPS Electronics
  • 10.2. The BGO Array
    • 10.2.1. BGO Bias
    • 10.2.2. BGO Electronics
  • 10.3. Micro Channel Plates (MCP Detectors)
    • 10.3.1. MCPs Bias
    • 10.3.2. MCPs Electronics
  • 10.4. Hybrid Ionization Chamber (IC)
    • 10.4.1. What to Do in an Emergency
    • 10.4.2. Hybrid Ionization Detector Bias
    • 10.4.3. Ionization Chamber Electronics
  • 10.5. Double Sided Silicon Strip Detector
  • 10.6. Focal Plane 4 CAEN Power Supply
• 11. Data Acquisition
  • 11.1. Digitizers
  • 11.2. Readout Shell (NSCL DAQ)
    • 11.2.1. Setting Up Required Files for DAQ
    • 11.2.2. Troubleshooting DAQ
  • 11.3. nscope
  • 11.4. Scalers
  • 11.5. SpecTcl
• 12. Python Offline Analysis GUI
  • 12.1. Introduction
  • 12.2. How to Install h5_converter Package
  • 12.3. How to Install sauce Package
  • 12.4. How to Install the Python Analysis GUI
  • 12.5. How to Run the Python Analysis GUI
  • 12.6. How to Use the h5_gui.py
  • 12.7. How to Use the sauce_gui.py
    • 12.7.1. Find Hits Tab
    • 12.7.2. Build Events Tab
    • 12.7.3. SECAR Detectors Tab
• 13. Maintenance
  • 13.1. Turbo Pumps
  • 13.2. Roughing Pumps
  • 13.3. Roots Blowers
  • 13.4. DV650 DryVac Screw Pumps
  • 13.5. Vacuum Gauges
  • 13.6. JENSA Area
  • 13.7. JENSA Compressor
    • 13.7.1. How to Drain the Existing Oil from JENSA Compressor
    • 13.7.2. How to Inspect and Replace Filtration Devices
    • 13.7.3. Refill the Compressor Crankcase with New Oil
    • 13.7.4. Coolant for the JENSA Compressor
  • 13.8. Cryopumps and Their Compressor