Spring 2017 GlueX Run

General Information

• Experiment: GlueX E12-06-102 Production
• Planned tests:
  • High-intensity GlueX test (invasive, 3 shifts)
  • ComCAL(PrimeX) prototype test (parasitic)
• 2017/01/29 - 2017/03/22, 51 days; see Accelerator Schedule
• Information for shift takers
• Shift schedule
• Hall D run logbook (HDLOG)

Run Configuration

• Beam energy: 11.632 GeV
• Solenoid on at 1350A.
• Beam current: CW 1 nA-2μA, 250 MHz frequency. See RSAD for the RadCon limitations.
  • Regular running: 150 nA on 4.1·10^-4 radiator
  • High intensity tests: 3 shifts at 1 µA on 4.1·10^-4 radiator
• Diamond radiators:
  • J1a50       (50 μm - 4.1·10^-4 R.L., 4×4 mm²) - old crystal - excellent rocking curve
  • JD70-100 (58 μm - 4.8·10^-4 R.L., 7×7 mm²) - new crystal - excellent rocking curve
  • JD70-105 (47 μm - 3.9·10^-4 R.L., 7×7 mm²) - new crystal - good rocking curve
  • JD70-104 (17 μm - 1.4·10^-4 R.L., 7×7 mm²) - new crystal - wider rocking curve - marginally usable

• Tagger quadrupole on (-4.2 A).
• Collimator hole: 5 mm diameter with ≈50 µm diamond radiators, may use 3.4 mm diameter with ≈20 µm diamonds
• Target: LH2 target

Schedule Details

1. Jan. 26th-Jan. 29th: Electron beam restoration
2. Jan. 30th-Mar. 22nd: Hall D Spring run.
3. Every Tuesdays: 12h of beam study. Every Thursdays, if necessary: 8h of RF recovery.

List of Run Coordinators and Physics Division Liaison

• RCs:
  • Thur. Jan. 26 - Sun. Jan. 29 (4 days): (accelerator restoration)
  • Mon. Jan. 30 - Wed. Feb. 8 (10 days):
  • Wed. Feb. 8 - Wed. Feb. 22 (14 days):
  • Wed. Feb. 22 - Wed. Mar. 8 (14 days):
  • Wed. Mar. 8 - Wed. Mar. 22: (14 days):
• • PDL, Benedikt Zihlmann

Detailed Running Plan

• Run Coordination Meetings