Difference between revisions of "WAC Notes February 3 2020"
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* Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6168_000 Run 6168] | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6168_000 Run 6168] | ||
* Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6176_000 Run 6176] | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6176_000 Run 6176] | ||
| − | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6177_000 Run 6177] | + | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6177_000 Run 6177] - Nonzero analog BCM DD mean value. There is clear trending up of DD value. will cut some trip recoveries |
| + | ** Later: Adding Cuts for some trips cuts are needed to clean up the DD. Events 0:65k, 100k:140k, 225k:240k, 270k:280k | ||
* Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6178_000 Run 6178] | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6178_000 Run 6178] | ||
| − | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6179_000 Run 6179] | + | * Good - [https://prex.jlab.org/analysis/crex/index.php?run=summary/all/run6179_000 Run 6179] - Similar problems as 6177, but it seems harder to tell where the problem is. There is uncut beam motion though, so adding that now. |
| + | ** Later: Adding Cuts Adding bad events cut for position issues at 150:200k and that's it. | ||
continue slug 128 on [https://prex.jlab.org/wiki/index.php?title=WAC_Notes_February_4_2020 February 4]: | continue slug 128 on [https://prex.jlab.org/wiki/index.php?title=WAC_Notes_February_4_2020 February 4]: | ||
Revision as of 11:58, 31 March 2020
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PREX Main << Weekly Analysis Coordinator << WAC Notes CREX << Instructions
WAC Notes February 2 2020 << >> WAC Notes February 4 2020
February 3 2020
Daily Meeting BlueJeans
Production Run List - Slug 127 - IHWP OUT - Flip-RIGHT - Production
continue slug 127 from February 2:
Production Run List - Slug 128 - IHWP IN - Flip-RIGHT - Production
start this slug at about 6 am
- Good - Run 6163
- Good - Run 6164
- Good - Run 6165
- Good - Run 6166
- Good - Run 6168
- Good - Run 6176
- Good - Run 6177 - Nonzero analog BCM DD mean value. There is clear trending up of DD value. will cut some trip recoveries
- Later: Adding Cuts for some trips cuts are needed to clean up the DD. Events 0:65k, 100k:140k, 225k:240k, 270k:280k
- Good - Run 6178
- Good - Run 6179 - Similar problems as 6177, but it seems harder to tell where the problem is. There is uncut beam motion though, so adding that now.
- Later: Adding Cuts Adding bad events cut for position issues at 150:200k and that's it.
continue slug 128 on February 4:
Non-Production Runs and Bad Runs
Pedestal/Calibrations Updates
- https://docs.google.com/spreadsheets/d/1mt39fCuIW3Pr8TO7fzhtFjmMFt4Op30jMm5wMQke6Xo/edit?usp=sharing
Issues
- double peak in bpm X appears since run 6161, continues to most recent run
- raw asym of url goes up to huge value
- 3 (12:00 - 15:00) hours of hall C spin dance
- LQ2 tripped off at 19:07
- it looks like the bpm X double peak just gone after we return to production run 6176, though we still don't know why there comes the double peak and how it goes away?
- for run 6176-6179, MCC can't deliver beam larger than 120 uA, so we just run at 120 uA
