Fall 2016 GlueX Run

Current run information

Fall 2016 GlueX production run

• Fall 2016 Commissioning Plan
• Information for shift takers
• Safety documents and training links
• Shift schedule

Run configuration:

• Beam energy: 11.632 GeV
• Solenoid on at 1350A.
• Beam current: CW 1 nA-1.5 μA. 250 MHz frequency.
  • Goniometer diamond radiators: TBD. Specific meeting to discuss this to come. We presently have test diamonds:
    • J1a50 (50 μm, 4.1·10^-4 R.L.),
    • JD70-118 (20 μm, 1.6·10^-4 R.L.), middot;10^-4 R.L.),
    • JD70-119 (20 μm, 1.6·10^-4 R.L.), middot;10^-4 R.L.),
  • and possibly some new diamonds
    • J70-100 (55 μm, 4.5·10^-4 R.L.),
    • J70-105 (60 μm, 4.9·10^-4 R.L.),
    • JD70-104 (23 μm, 1.6·10^-4 R.L.), middot;10^-4 R.L.),
    • JD70-108 (17 μm, 1.6·10^-4 R.L.), middot;10^-4 R.L.),

• Tagger quadrupole on (-4.2 A).
• Collimator hole: Both 5 mm diameter and 3.4 mm diameter. Default running: 5.0 mm
• Target: LH2 target: cryogenic target

Schedule for the Spring 2016 run

1. Oct. 1st-Oct. 7th: Electron beam restoration
2. Oct. 8th-Nov. 22nd: Hall D Fall run, part 1.
3. Nov. 23rd-Nov. 27th: Thanksgiving break.
4. Nov. 28th-Dec. 18th: Hall D Fall run, part 2 (includes 2 day of beam restoration).
5. Dec. 19th-Dec. 21st: TBD
6. Every Tuesdays: 12h of beam study. Every Thursdays, if necessary: 8h of RF recovery.

List of Run Coordinators and Physics Division Liaison

• RCs:
  • Sat. Oct. 1 - Fir. Oct. 7 (7 days): Alexandre Deur (accelerator restoration)
  • Sat. Oct. 8 - Wed. Oct. 19 (11 days): Alexandre Deur
  • Wed. Oct. 19 - Wed. Nov. 2 (14 days): Mark Dalton
  • Wed. Nov. 2 - Wed. Nov. 16 (14 days): Paul Eugenio
  • Wed. Nov. 16 - Wed. Nov. 23: (7 days): Naomi Jarvis
  • Wed. Nov. 23 - Sun. Nov. 27: (4 days): Thanksgiving shutdown: very likely RC not necessary
  • Sun. Nov. 27 - Wed. Dec. 7: (10 days): Adesh Subedi
  • Wed. Dec. 7 - Mon. Dec. 19: (12 days): David Lawrence
  • Mon. Dec. 19 - Wed. Dec. 21: (2 days): If RC necessary, TBD
• • PDL, Benedikt Zihlmann

Previous run periods:

• Fall 2014 Commissioning Plan. Summary of the Fall 2014 run given at the GlueX collaboration meeting, Feb. 2015.
• Spring 2015 Commissioning Plan. Summary of the Spring 2015 run given at the GlueX collaboration meeting, May 2015.
• Fall 2015 Commissioning Plan Summary of the Fall 2015 run (and start of the the Spring 2016 run) given at the GlueX collaboration meeting, Feb. 2016.
• Spring 2016 Commissioning Plan Summary of the Fall 2015 run (and the Spring 2016 run) given at the GlueX collaboration meeting, May 2016., Summary of the start of the Spring 2016 run (and the Fall 2015 run) given at the GlueX collaboration meeting, Feb. 2016.
• Fall 2016 Commissioning Plan