RC Meeting: September 11th, 2020

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2020

March
19, 20, 21, 22, 23, 24
July
31
August
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
September
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 21

RC:

Summary of Sep. 11th

Owl shift

  1. Shift summary by the shift expert:https://logbooks.jlab.org/entry/3845749
  2. Issues: started production with 200nA->240nA. the beam went down at 2:20 AM (ion pump is dead in the south linac) shifted ended before beam back.
  3. Recorded data: 8M on D2

Day shift

  1. Shift summary by the shift expert: https://logbooks.jlab.org/entry/3845976
  2. Issues: beam down at 9:40 AM - 14:00 then from 14:40 to 15:30 (1L20 tripped due to low liquid level, 5th Pass H. Separator:cabling is heating up, three dipoles tripped off(BSY1C, 2C, 3C))
  3. Recorded data: 5.5 M on D2 (240 nA)

Swing shift

  1. Shift summary by the shift expert: https://logbooks.jlab.org/entry/3846194
  2. Issues: FC beam reading reduction and fluctuation.
  3. Recorded data: 35M on D2

Whole day summary

  1. Total recorded data today: 48M on D2
  2. Part-II total accumulated data on D2: 1.7B
  3. Concerns: FCup currents and rates. In controlled access to solve the issue.


Tomorrow daily RC meeting will be at usual time 12:00 PM using the link https://bluejeans.com/7576835804/

Recorded data numbers

Number of events recorded