[Rgc] [New Logentry] RC Daily Summary, Feb 21, 2023

[gilfoyle at jlab.org]

Logentry Text:
--
RC Daily Summary Monday, February 21, 2023

Day Shift (Monday):
Planned Data taking NH3 target, -58.32%, HWP-In, Solenoid 5.08 T, Torus inbending 3766 A.
8:20 Sergey replaces boards to bring back sector 2 ECAL
9:00 Target work starts during planned accelerator down time
     TE measurement done on NH3
     Target changed to CH2 for background study
13:00 Ready for beam, but MCC has separator troubles.

Evening shift:
Planned Data taking with CH2 target HWP-IN, Solenoid 5.08 T, Torus inbending 3766 A.
17:44 beam arrives, 2 nA, All detectors off except BMT (safe mode) and FTC.
      rates and positions both look good.
      when we turn on detector HV, the power supply for	ECAL sector 2 fails. Replaced with spare.
19:40 Beam restored, rates and position good, 4 nA, DAQ starting - south linac tripped. Down for rest of shift.

Owl Shift:
Data taking with CH2 target, HWP-IN, Solenoid 5.08 T, Torus inbending 3766 A.
01:00 beam restored, run 17624 started.
02:10 BMT argon flow alarm. Yuri fixes it remotely.
06:24 another BMT flow alarm. Yuri arrives and resets the mass flow controller.
Collected ~ 89M events

Day Shift (Tuesday):
Data taking with CH2 target, HWP-IN, Solenoid 5.08 T, Torus inbending 3766 A.

Plan:
Data taking on CH2 all day

We will have a RC meeting today at 2 PM.

RC Meeting Coordinates:
https://jlab-org.zoomgov.com/j/1608674253?pwd=SFZyYmZLWXJieGtpV2dEdVRiUE...
Meeting ID: 160 867 4253
Passcode: 786506


---

This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4135772
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.jlab.org/pipermail/rgc/attachments/20230221/8d3ca141/attachment.html>