[Hallc_running] [New Logentry] RC Update - 24/08/22

[sjdkay at jlab.org]

Logentry Text:
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A final RC update from me for this experiment. 

Running over the past 24 hours has been a bit more mixed than earlier in the week, let's start with the good - 

1) We got the BCM calibration done yesterday - https://logbooks.jlab.org/entry/4032864
2) We finished our final 5.50 degree setting for the PionLT experiment early swing yesterday (Q2=1.60 W=3.08 x=0.15 low epsilon, LD2+, SHMS Centre (5.50)) - https://logbooks.jlab.org/entry/4033051
3) We rotated the SHMS to 7.50 - https://logbooks.jlab.org/entry/4033011 - and ran the Q2=1.60 W=3.08 x=0.15 low epsilon, LD2+, SHMS Left (7.50) - Setting overnight, this finished this morning and we've moved onto the dummy target runs
4) The arc energy measurement is scheduled later this morning

Ok, now for the bad -

i)  When rotating the SHMS, the PSS dropped to power permit. There was an issue with a run safe box in the SHMS hut and apparently the door was open - https://logbooks.jlab.org/entry/4033026 - This took us down for ~1 hr
ii) We had an SHMS Q1 vacuum spike - https://logbooks.jlab.org/entry/4033113 - This is real, as a reminder, shift crew should follow the procedure here - https://logbooks.jlab.org/entry/4028513 - if it occurs again
iii) We had an SHMS Q3 interlock late on owl shift - https://logbooks.jlab.org/entry/4033196
iv) This was followed by an SHMS dipole interlock not long after - https://logbooks.jlab.org/entry/4033226
v) Finally, the physics rate isn't exactly great on these settings, so we're a little behind. We'll finish the LH2 setting and mop up the remaining HeePCoins

We'll have a meeting at 11:00 on Zoom

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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/4033244
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