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Run Coordinator: Hayk Hakyoban (757) 575-7540

PDL: Nathan Baltzell (9-) 757 876-1789; Office: x5902

Daily RC Meetings at 13:00 in CH Room 200C, and on ZOOM: URL Link (Meeting ID: 1611984219; Passcode: RGD-RC23), except on Wednesdays, which is on ZOOM ONLY @ 15:30.

Important Notes

Do NOT change FSD settings without approval from RC or beamline expert!

• In case of medical or fire emergency, call 9-911 from a LANDLINE phone in the Counting House and inform the Crew Chief and RC.
• In case of evacuation of the Counting Room (e.g., due to a fire alarm), grab the shift expert phone and leave the room through the "EXIT" door leading to the parking lot. Do not leave through the hallway! Call the RC once outside so the latter will call MCC to turn the beam OFF to Hall B and inform other Hall B staff members.
• If you have symptoms or a positive COVID test, do NOT come to your shift - instead, inform the PDL and the RC and JLab medical services immediately to arrange replacements.

Monday, March 10 - Monday, Dec. 4 Continue CuSn data-taking as follows: - Target: CuSn - Beam Blocker: IN

General Reminders The main lights in the Hall and the Forward Carriage lights must be kept off during data taking. Refer to these reference photos, ON and OFF The main, dome lights can be turned off without entering the Hall. Beamline Do not run over XX minutes above YY nA with a 5-pass beam without the beam blocker IN. If there is any concern about beam stability, ask MCC if orbit locks are on (they should be). Document any beam condition change and send scaler GUIs to HBLOG. If HWP is changed, start a new run. During beam tuning and Møller runs DC: HV OFF SVT: LV ON, HV OFF MVT: LV ON, HV ON in SAFE Mode To access the Hall If you need to enter Hall B, alert Denny Insley (757-897-9060, cell/text: 757-810-9576) and the Run Coordinator. Check in with the shift personnel before entering the hall.

DAQ Operation Standard end and start of a run End run Abort Download Prestart "Go" Restart DAQ from scratch e.g., when changing configuration or trigger files, when the run did not end correctly, or after ROCs are rebooted Cancel Reset Configure Download Prestart Go"

Reference Values FSD Thresholds from RG-D Upstream: 2 kHz Midstream: 2 kHz Downstream: 100 kHz BOM: 50 kHz 5 ms dwell time Harp Scan References from RG-D 2H01 [1]; x= -1.4 mm; y= 0.0 mm Tagger (2C24A) [2]: x= -2.0 mm; y= +0.6 mm 2C21A [3]: x= -0.4 mm; y= +0.6 mm (less important; values form RG-C) IA for Q Asymmetry HWP IN: https://logbooks.jlab.org/entry/4194811 and https://logbooks.jlab.org/entry/4195453 HWP OUT: https://logbooks.jlab.org/entry/4195738 and https://logbooks.jlab.org/entry/4195733