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Log Number: 4497805Logbook(s): 

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Log Number: 4497804Logbook(s): 

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Log Number: 4497803Logbook(s): 

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Log Number: 4497802Logbook(s): 

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Log Number: 4497801Logbook(s): 

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Log Number: 4497799Logbook(s): 

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Log Number: 4497798Logbook(s): 

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Entry Makers: dchriBody: 

FIG.4
While sending xD & xC, 2E02.XPOS indicates separation was off

Over separated for recirculating:
xC tune ~+0.6

xD slightly Under separated for recirculating:
xD CW ~-0.1

xB Over separated for extracting:
xB tune ~ +1.0

FIG.4
Did some pass 1 separator phase adjustments looking at 2E02.XPOS
Also, during separation checks, we did some slight 2T line steering for xB

Although xC & xD are still ~ +/- 0.5 from nominal E02.XPOS position, xB was still off by ~1.0, also BPM's can lie, and cross checks are always good to have...

So we decided to check the viewer

FIG.1
after the pass 1 phase

Log Number: 4497797Logbook(s): 

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Log Number: 4497794Logbook(s): 

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Entry Makers: kpriceBody: 

Counting House is calling expert back before proceeding; we're ready to send to the Faraday Cup.

Log Number: 4497793Logbook(s): 

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Body: HALLB=>BOXES=>TAGGERB has been disabled in alarm handler

Tagger degaussed and power supply off.

Log Number: 4497790Logbook(s): 

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Log Number: 4497789Logbook(s): 

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Body: Calibration ParametersHall:DTarget: JD70-107 55um 45/135 degPass: 5.5Note: Calibrated On:2026-May-03 18:47Calibrated By: alexsFile:D-2026-05-03_1847_JD70-107_55um_45_135_deg_Pass-5.5.hcdIon ChamberExisting Setpoing (rads/hr)New Setpoint (rads/hr)

Log Number: 4497786Logbook(s): 

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Entry Makers: kpriceBody: 

Log Number: 4497785Logbook(s): 

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Log Number: 4497784Logbook(s): 

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Log Number: 4497783Logbook(s): 

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Entry Makers: kpriceBody: 

Counting House is getting in touch with expert to see if beam profile is acceptable. Looks great at the tagger (linked) but 2C21 may be a little too wide in x (also linked).

If indeed it is too wide in x at 2C21, I'll back out of the last round of changes to matching quads and try to replicate results at 2C24 with the triplet. We were pretty close before, it shouldn't be too tricky!

Log Number: 4497781Logbook(s): 

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With 10nA current

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Log Number: 4497779Logbook(s): 

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Log Number: 4497778Logbook(s): 

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Entry Makers: dchriBody: