Difference between revisions of "CDC recent run drift times"
From GlueXWiki
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<h2>Run 2551</h2> | <h2>Run 2551</h2> | ||
| − | + | 3 weeks after disengaging the alcohol bubbler. March 2-3 2015 | |
{| border="0" cellpadding="2" | {| border="0" cellpadding="2" | ||
|+ Hit thresholds 180-100-25, window 44-150 | |+ Hit thresholds 180-100-25, window 44-150 | ||
Revision as of 09:08, 27 March 2015
Fitted drift time function to straws in run 2451, picked straws with tmax slope < 30, used same straws for subsequent runs. Used same hit thresholds & window for all runs.
Run 2451
First run of 2015. Feb 7. Increased sparsification thresholds from 7sigma to 18sigma
Garfield 5475-4525 Ar-CO2 has tmax ~560ns
Run 2551
3 weeks after disengaging the alcohol bubbler. March 2-3 2015
Run 2560
After changing the CO2 gas factor from 0.773 to 0.74
Run 2616
After changing the gas mixer MFCs from master/slave to independent, March 11
Run 2617
March 11
Garfield 5200-4800 Ar-CO2 has tmax ~ 595ns
Run 2619
Run 2644
After moving CO2 controller from ch2 to ch4 and decreasing sparsification thresholds
Run 2649
After returning CO2 controller from ch4 to ch2
