Difference between revisions of "Run Planning Meeting Notes, Feb 06-Feb 12, 2020"
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(→Monday, February 10) |
(→Monday, February 10) |
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#** Prodcution runs @350nA | #** Prodcution runs @350nA | ||
#** Harp scans | #** Harp scans | ||
+ | #* Collected ~6.5B evts over the weekend | ||
# Issues | # Issues | ||
− | #* Variation in PS and main trigger rates over the weekend ([https://logbooks.jlab.org/entry/3779952],[https://logbooks.jlab.org/entry/ | + | #* Variation in PS and main trigger rates over the weekend ([https://logbooks.jlab.org/entry/3779952],[https://logbooks.jlab.org/entry/3780554],[https://logbooks.jlab.org/entry/3780851]) |
#* High rates in high photon tagger counters ([https://logbooks.jlab.org/entry/3780065 energy distribution], [https://logbooks.jlab.org/entry/3780267 harp scan electron], [https://logbooks.jlab.org/entry/3780269 harp scan gamma], [https://logbooks.jlab.org/entry/3780295 epics after tune]) | #* High rates in high photon tagger counters ([https://logbooks.jlab.org/entry/3780065 energy distribution], [https://logbooks.jlab.org/entry/3780267 harp scan electron], [https://logbooks.jlab.org/entry/3780269 harp scan gamma], [https://logbooks.jlab.org/entry/3780295 epics after tune]) | ||
# Reports | # Reports |
Revision as of 07:59, 10 February 2020
Monday, February 10
- Last 72 hours
- Friday
- Beam sent to hall around 08:30
- Harp scans
- Prodcution runs @350nA until 23:50 -> no beam until the next morning
- Saturday
- Beam sent to hall around 12:00
- Harp scans (requested by MCC)
- Prodcution runs @350nA
- Found high rates in high photon tagger counter (see issues)
- Had to request beam tune -> Unusal tagger rates + ION chamber trips (see: [1])
- Sunday
- Prodcution runs @350nA
- Harp scans
- Collected ~6.5B evts over the weekend
- Friday
- Issues
- Variation in PS and main trigger rates over the weekend ([2],[3],[4])
- High rates in high photon tagger counters (energy distribution, harp scan electron, harp scan gamma, epics after tune)
- Reports
- Plans for today
Friday, February 7
- Last 24 hours
- Production runs @350nA until 14:00
- Hovanes worked on diamond position for JD70-105 0/90 (see reports)
- Continued data taking until 18:15
- Connection issues with rocDIRC -> Bill, Sergey and network expert on call had to work until late night to fix the problem
- Accelerator crew was having network issues too
- Hall went into beam permit around 1:15am
- Accelerator crew having trouble with control system (see issues)
- Issues
- Reports
- Plans for today
- Production runs
- Access to hall ?
- Plan(s) for next week
- Monday: Hall A will change setup for pol. meas. -> No beam from ~ 8:00 on (see: [19])
- No meeting this weekend -> Next meeting: Monday, Feb 10
Thursday, February 6
- Last 24 hours
- Beam was sent to hall at 19:51
- Harp scans (see reports for details)
- Production runs @ 350nA
- Collected 1.8B events
- Issues
- DIRC temperature alarm (resolved, see: [20])
- Swing shift reported coherent peak for JD70-105 0/90 PARA to be unusually wide -> No such observations for other settings
- Reports
- Harp scan results: acc: 5C11,acc: 5C11B, Hall D: TAGH
- Test of DIRC communication algorithm (see: [21])
- Missing optical links in DIRC (see: [22])
- Plans for today
- Production runs