Difference between revisions of "Run Planning Meeting Notes, June 30 - July 06, 2022"
From GlueXWiki
m (Dalton moved page Run Planning Meeting Notes, June 24 - July 06, 2022 to Run Planning Meeting Notes, June 30 - July 06, 2022) |
(→Thursday June 30) |
||
| Line 10: | Line 10: | ||
=Thursday June 30= | =Thursday June 30= | ||
| + | == Past 24 hours == | ||
| + | * no beam during the day, machine optimization to deliver high current beam to HallC (unsuccessful) | ||
| + | * beam back around 5:30pm | ||
| + | * did first two Harp scans with HallD laser on and off while hallC had around 17uA of beam | ||
| + | ** [https://logbooks.jlab.org/entry/4008902 Scan One with our beam] | ||
| + | ** [https://logbooks.jlab.org/entry/4008909 Scan Two only HallC beam] | ||
| + | ** [https://logbooks.jlab.org/entry/4008895 Scan results at collimator] | ||
| + | ** peak to base line of the harp peaks is about 100 (as in previous scans) | ||
| + | * general beam conditions are rather unstable. [https://logbooks.jlab.org/entry/4008917 beam strip chart] | ||
| + | * continue data taking over night | ||
| + | * DAQ issues again with life time dropping to 60%. Shift crew called Sergey. | ||
| + | ** found problem with Slot 3 fiber 7 having trouble (I think this is seen in roctrig1?) | ||
| + | ** after Sergey's intervention DAQ came slowly back to "normal" | ||
| + | * beam conditions are very unstable over night | ||
| + | * [https://logbooks.jlab.org/entry/4009005 Loss of NMR comm in Tagger Manet ] | ||
| + | * again very bad life time 10% only! but also beam lost around 4am | ||
| + | * beam on and off for some time, finally off with problems in several, cavity one whole zone no beam for several hours. | ||
Revision as of 06:27, 30 June 2022
Back to Run Coordination Meetings:Summer2022
Meeting are via ZoomGov: connect (Meeting ID: 160 199 0060 / Passcode 8394)
Hall D counting room white board
Thursday June 30
Past 24 hours
- no beam during the day, machine optimization to deliver high current beam to HallC (unsuccessful)
- beam back around 5:30pm
- did first two Harp scans with HallD laser on and off while hallC had around 17uA of beam
- Scan One with our beam
- Scan Two only HallC beam
- Scan results at collimator
- peak to base line of the harp peaks is about 100 (as in previous scans)
- general beam conditions are rather unstable. beam strip chart
- continue data taking over night
- DAQ issues again with life time dropping to 60%. Shift crew called Sergey.
- found problem with Slot 3 fiber 7 having trouble (I think this is seen in roctrig1?)
- after Sergey's intervention DAQ came slowly back to "normal"
- beam conditions are very unstable over night
- Loss of NMR comm in Tagger Manet
- again very bad life time 10% only! but also beam lost around 4am
- beam on and off for some time, finally off with problems in several, cavity one whole zone no beam for several hours.
