[Hallc_running] [New Logentry] RC daily summary

[ssanties at jlab.org]

Logentry Text:
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Yesterday, we changed the kinematics settings of the SHMS to 8.5 deg https://logbooks.jlab.org/entry/4129782
We also turn of the HV for SHSMS S1X paddles 1-8 and S2X 1-8 (+ and -) 
And turn off HV for SHMS Preshower blocks 1-8 (+ and -)
https://logbooks.jlab.org/entry/4129781
We changed the alarms accordingly https://logbooks.jlab.org/entry/4129788

After that, we took 3He data overnight, with the maximum current available. It varied from 10 - 30 uA, being 20 uA the main current we got in the owl shift. We have collected 26K/72K, so we expect to be there for the rest of today (depending on beam)

Acc is  fixing a broken fan for the CPS and replacing the chassis to reduce trips, so we have no beam. We took this opportunity to go to controlled access because we discovered that we had lost most of the 4He when the target warmed with the cryo problems correlated with the Hall B magnet trip:  https://logbooks.jlab.org/entry/4129972
Dave Meekins is currently in the Hall putting some 4He in the cell. We expect to be ready for the beam in an hour or so.

Opportunistically, Jimmy and Jixie are in the hall fixing some cables for the SOLID tests. 

Note: Since we have been running smoothly in 3He and expect to continue to do so, we won’t be having the RC meeting. 

However, you can take this opportunity to sign up for more shifts! 

This week we have three openings:
Owl shift SL: Wed  (Feb 15) and Thur (Feb 16)
Swing shift SL: Sat (Feb 17)

Let’s push a little bit more to get this experiments to the finish line!


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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/4130288
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