Additional Info

Aggregator

HYST AREA 7-0 Cycles Magnets

Recent Log Entries
3 days 1 hour ago
Log Number: 4478949Logbook(s): Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MBC9A01H
MBC9A01V
MBC9A02V
MBC9A03H
MBC9A04V
MBC9A05H
MBC9A06V
MBC9A07H
MBC9A08V
MBC9A09H
MBC9A10V
MBC9A11H
MBC9A12V
MBC9A13H
MBC9A14V
MBC9A15H
MBC9A16V
MBC9A17H
MBC9A18V
MBC9A19H
MBC9A20V
MBC9A21H
MBC9A22V
MBC9A23H
MBC9A24V
MBC9A25H
MBC9A26V
MBC9A27H
MBC9A28V
MBC9A29H
MBC9A30V
MBC9A31H
MBC9A32V

Total Time: 0.883 mins

alexs

MBC6T01V mismatch

Recent Log Entries
3 days 1 hour ago
Log Number: 4478943Logbook(s): Entry Makers: shrinerBody: 

took setpoint and cycled. this magnet seems to be mismatching a lot lately, so it may be time for a trim card swap soon.

shriner

6E harp sanity check: ugly 6L orbit, but good IDX rates and okay harp

Recent Log Entries
3 days 2 hours ago
Log Number: 4478941Logbook(s): Entry Makers: alexsBody: 

The common thread in all our efforts to minimize IDX rates has been sacrificing the linac orbits to reduce the measured radiation. Just to double check that our focus on the IDX's hasn't quietly blown the beam, took a harp swipe with IHA6E01. The horrendous orbit in figure 1 produces the trace in figure 2, not all that different from the previous swipe pictured in figure 3. IDX rates are the lowest we've been able to get all night.

alexs

Further 3R adjustments to optimize 6S and 4E IDX's

Recent Log Entries
3 days 2 hours ago
Log Number: 4478939Logbook(s): Entry Makers: alexsBody: 

Beam to 4R. Again, there is a trade-off between minimizing 4S's contribution to the 6S IDX and preventing any activity at 4E02 (once it shows up, no spreader corrector steering was able to remove it, only 3R adjustments). Further cut down the 6S01 signal through a combination of rebalancing 3R07, 9, and 10 without aggravating 4E, then used the 4S10 vertical corrector to bring the 4E03 BPM closer to zero.

alexs

Beam to 9R; IIX9S00 showing activity; reduced

Recent Log Entries
3 days 3 hours ago
Log Number: 4478934Logbook(s): Entry Makers: lrichardBody: 

Did GP/PL/GP before adjustments to orbit. Attempting to squash IIX9S00 activity.

Figs 1-4 show initial IIX9S00 rates and orbit once 8R dumplet was pulled.
Figs 5-7 show orbit and rates reduced not nullified.
Figs 8-10 show possible orbit, greatly reduced IIX9S00 rates, and quantitative changes to achieve both orbit and rates.

lrichard

Autolog save

Recent Log Entries
3 days 4 hours ago
Log Number: 4478921Logbook(s): Tags: Body: saver ran from opsl632

Saved: shriner 03-21-26 20:32:02 {A:i B:5 C:2 E:345 A=Tune B=BS C=BS D=BS 0R08=6.03 7R dump in. dump(s) in. beam to 7R. low IDX rates.
shriner

6L orbit cleanup and 6S01 IDX reduction

Recent Log Entries
3 days 5 hours ago
Log Number: 4478917Logbook(s): Entry Makers: alexsBody: 

Moving on to optimizing IDX rates to 6R, damped the amplitude of the vertical oscillation through 6L and got another 20% reduction in 6S01 IDX rate, though at the cost of bringing up the position at 6S01 by 2.6 mm. Only ended up keeping the 5R10V corrector change.

alexs

Shift Information

Shift Owl
CEBAF Program
MCC Crew Chief Deir
MCC Operators Samari, Smith
Program Deputy Roblin
Announcements

Access Status

Recent PSS History

recent pss history graph