November 6, 2023

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RC Daily Meetings are at 11:00 (am) via Zoom and in person in the counting-house meeting room (2nd floor)

• Zoom remote connection information:

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 Meeting ID: 160 710 0885
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Useful Links

• Shift Signup (Read only)
  • Shift Signup

• Hall-C Controls
• Hall-C Logbook
• MCC White Board

Instruction for RCs

• Half-wave plate change
  • Follow the instructions in the link above whenever the HWP is changed flipped.

Past 24 hours

• Generally smooth running with some accelerator related downtime overnight (~1-2 hours).
• Thanks to a lot of hard work from multiple parties over the weekend, the scaler issue now seems to be understood.

RC Summary

Today's update is here.

Current Status

• Moeller measurement.
  • Returning to running production on KinC_x50_4' after.

Near Future Plan

In the near term future:

• Keep running the current setting.
• On Wednesday, we will have ~8 hours or so to access the Hall during the maintenance downtime. Planned activities -
  • Heidi wants to take a look at the SHMS door after the issue on Wednesday.
• I will confirm with the PD our plans and get an estimate of when we can expect to get in the Hall before the meeting tomorrow.

Special Studies

• Following the mounting of the borated poly shielding last week, we've now had a chance to assess this a little.
  • Paolo will present an update on the radiation simulations.
• Elastics on Thursday (09/11/23) or Friday (10/11/23) next week?

Standing Issues

• Implementing checks for charge asymmetry in alarm handler and online analysis: https://logbooks.jlab.org/entry/4213566

Planned Accesses to the Hall Today

• None

Planned Accelerator Configuration Changes

• Pass change on the 13th of November (13/11/23).

Special Requests

• Stable beam and mercy from the DAQ gods to continue.