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Message ID: 13     Entry time: Fri Jun 10 07:13:58 2011
Author: Greg Tomney 
Type:  
Category:  
Subject: Shift Overview for 00 - 8:00 June 10 

Beamrate (scintillator) - 0
Accepted Trigger - 0
Trigger - 3

 

Run Summaries

372 - Ran for approximately 2 hours. Aside from a peculiar dip in beam intensity at ~00:25 the run was fine.

373 - Ran for about 1 hour 18 minutes. Lithium-11 beam had been down for more than 10mins so the run was stopped.

374 - Beam ran for about 56 minutes.  A spike in the pressure was observed at 2:54. The intensity of the beam flatlined at 2:58, however prior experience leads me to believe this was likely the fault of EPICS. Beam intensity fell to zero at 3:03 for a short time. Another spike in the pressure was observed at 3:19. The problem with the beamline is allegedly relating to a coil in one of the cavities.

375 - Beam ran for 9 minutes before failing.

376 - With the cavity tripped, no lithium-11 was present. However, data was taken to observe background effects. This was done for about 25 minutes.

378 - Another background run was done for about 2 hours this time.

Leakage Currents

DE0      -   0.06

E3         -   0.25

DE2       -   0.09

E5         -   0.31

DE4       -   0.02

E7         -   0.44

DE6       -   0.05

E2         -   0.49

UP 0     -   0.05

UP 1     -   0.04

UP 2     -   0.01

UP 3     -   0.00

UP 4     -   0.01 (fluctuating as high as 0.43)

UP 5     -   0.06

UP 6     -   0.09

UP 7     -   0.23

S2         -  0.91

 

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