Photon Tagger

• Tagger Engineering Design
• TOSCA field plots in mapping coordinates
• Plan for mapping the magnetic field
• Analysis of Tagger Field Mapping Data
• Tagger quadrupole specifications
• Tagger power supply current vs end-point energy from maps - Dan Sober
• Path length from tagger field entry edge to tagging counter vs energy for hodoscope - Dan Sober
  • finer-grained tabulation of the same data
• Tagging efficiencies and ratios: definitions, measurements, and uses - Dan Sober
• Quadrupole survey measurements - Tim Whitlatch
• Effects of the quadrupole field on tagger optics - Dan Sober
• Tagger quadrupole excitation curve from accelerator group - Todd Satogata
• Dispersion calculations for electron beam after the tagger magnet - Dan Sober
• Final survey results, Fall run 2016 - Tim Whitlatch
• Final survey results, Spring run 2017 - Tim Whitlatch
• Refined hodoscope counter positions, updated 1/2017 - Dan Sober
• Updated hodoscope energy bin bounds, updated 1/2017 - Dan Sober
• Presentation on tagger hodoscope energy determination, as of 1/2017 - Dan Sober
• Presentation on tagger hodoscope energy overlaps, as of 5/8/2017, overlaps table - Dan Sober
• Tagger Hodoscpe (TAGH) Timewalk and Timing Calibrations, as of 11/22/2017 - Stuart Fegan
• TAGM survey results, Spring run 2019 - Tim Whitlatch
• Tagger accidentals rate scan - Fall 2019 - Richard Jones

Historical archive

• Yang's TOSCA field maps of the tagger dipole and quadrupole
• TOSCA field maps of the tagger dipole and quadrupole
• Two-Dipole Conceptual Design
  • Tagger design presentation to Tagger Review Panel, J. Kellie, 1/2006.
  • Tagger conceptual design, J. Kellie and G. Yang, updated 1/2008.
  • Specification for the two-dipole tagging spectrometer, G. Yang, updated 12/2007.
  • GlueX two-dipole tagger specification, reference design as of 1/2008