Hall B Tagged Photon Beam Information

Figures

• Tagger figures from NIM paper (Nucl. Instr. Meth. A 440, 263 (2000).)
• More recent tagger figures

Hardware

• T-counters
• E-counters
• Electronics
• Tagger window and shutter
  • Description of window and shutter; instructions for inserting and removing shutter.
• Tagger hodoscope side panels and high voltage interlock
• Radiator ladder
• Beam monitoring devices
  • Pair spectrometer
  • Total absorption counter (TAC)
  • Gamma profiler
  • Photon harp

Tagger run procedures

• Pre-run source test
• Startup checklist
• Monitor histograms
• Flux normalization runs

Field maps and raytracing results

• Field maps and analysis programs
• Tagger magnet current vs. electron beam energy
• Photon energy vs. E and T counters and channels

Tagger analysis

• Relation between counter numbers and channel numbers
• Tagger banks
• Tagger data files
• Tagger timing calibration
• Tagger energy calibration
• Tagger flux calculation