Difference between revisions of "CDC recent run drift times"
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<h2>Run 2451</h2> | <h2>Run 2451</h2> | ||
+ | Last run of 2014 | ||
{| border="0" cellpadding="2" | {| border="0" cellpadding="2" | ||
|+ Hit thresholds 180-100-25, window 44-150 | |+ Hit thresholds 180-100-25, window 44-150 | ||
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Garfield 5475-4525 Ar-CO2 has tmax ~560ns | Garfield 5475-4525 Ar-CO2 has tmax ~560ns | ||
+ | <h2>Run 2551</h2> | ||
+ | After disengaging the alcohol bubbler. March 2-3 2015 | ||
+ | |||
+ | <h2>Run 2560</h2> | ||
+ | After changing the CO2 gas factor from 0.773 to 0.74 | ||
+ | |||
+ | <h2>Run 2616</h2> | ||
+ | After changing the gas mixer MFCs from master/slave to independent, March 11 | ||
+ | |||
<h2>Run 2617</h2> | <h2>Run 2617</h2> | ||
+ | March 11 | ||
{| border="0" cellpadding="2" | {| border="0" cellpadding="2" | ||
|+ Hit thresholds 180-100-25, window 44-150 | |+ Hit thresholds 180-100-25, window 44-150 | ||
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|[[Image:cdc_run2619_ped.png|thumb|x200px|pedestal]] | |[[Image:cdc_run2619_ped.png|thumb|x200px|pedestal]] | ||
|} | |} | ||
+ | |||
+ | <h2>Run 2644</h2> | ||
+ | After moving CO2 controller from ch2 to ch4 and decreasing sparsification thresholds | ||
+ | |||
+ | <h2>Run 2649</h2> | ||
+ | After returning CO2 controller from ch4 to ch2 |
Revision as of 15:37, 26 March 2015
Fitted drift time function to straws in run 2451, picked straws with tmax slope < 30, used same straws for subsequent runs
Run 2451
Last run of 2014
Garfield 5475-4525 Ar-CO2 has tmax ~560ns
Run 2551
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