Run Meeting: March 22nd, 2018

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4:00PM Run Meeting, CEBAF F326-327

RC: Jason Bane

Status

Accelerator Status: Beam restoration is in progress. MCC has restored the beam to 7R [1]. They are also very confident that 11R (full restoration) will be reached on Friday. MCC does plan to interrupt their restoration for an access to address a troublesome cavity from owl shift [2].

MCC plans to begin high-current tests to the halls over the weekend to test the high power settings of the machine. MCC will be trying to reach 900kW. The plan is still for "physics" to start on Wednesday (03/28).

Hall Status: Target is warm and magnets are cool. Hall is in Restricted Access. The Hall will be locked up at 4:00 P.M. today. The Hall will stay in controlled access, through Friday to cool the target.

Plan

• Phase 1: Procedure for beam restart on tritium
  • BPM and Harp Checks
  • Target ion Chamber Calibration
  • Raster Commissioning
  • Beam Centering & Raster Target Check

We will be in Phase 1 until at least Monday

• Thick Al and multifoil optics data
  • 4 different momentum settings – highest priority
    • LHRS P0 (3.82, 3.57, 3.1, 2.5)
    • Approx. 11 hours at 100%
  • 3 Q1 settings – saturation check - secondary priority
    • Approx. 1 hour

(shifts)

Slides

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BlueJeans connection info:

To join the Meeting: https://bluejeans.com/372278653