[Hallc_running] [New Logentry] Status update

sanghwa at jlab.org sanghwa at jlab.org
Mon Apr 9 09:20:02 EDT 2018

Logentry Text:
Smooth running over the weekend. We achieved the maximum charge goal for the Pm = 580 MeV setting during the swing shift yesterday and have been collecting further data with Pm=750MeV. We will switch to the SIDIS program Tuesday morning.

MCC begun the beam studies at 8:30 am. MCC will use HallC throughout the beam studies, so we will keep the Hall locked up. For the first part of the beam studies, we will have 1 pass beam to the Hall. Jay will try to do big BPMs calibration during this period of beam studies. We ramped down SHMS magnets (HB, Q1, Q2, Q3) for the BPM calibration while keeping the SHMS angle position the same. Later MCC will restore 5 pass and we will take parasitic beam if possible. 

For those who need access, we may have time on Tuesday. RF recovery is planned on Tuesday for 4 hours (8:00 - 12:00). The SIDIS Run group will take access for changing the Aerogel tray. If anyone has work to be done in the Hall on Tuesday, please let me know so that we can coordinate and try to avoid interrupting the Aerogel work.

Work planned so far:
- Aerogel try change
- Steve Lassiter: HMS angle to 13.5 deg
- Simona: SHMS Hodoscope check

We will meet in 200C at 1:30 pm (second floor of the counting house).

Link: https://bluejeans.com/543903672
Connecting directly from a room system?
1) Dial: or bjn.vc
2) Enter Meeting ID: 543 903 672
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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/3557365
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