Difference between revisions of "CDC straight straws"
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Drift time fits, hit threshold 5#sigma | Drift time fits, hit threshold 5#sigma | ||
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− | |[[Image:cdc_run_32235_thr5_dtfit.png|thumb|x250px| | + | |[[Image:cdc_run_32235_thr5_dtfit.png|thumb|x250px|big scintillators, across CDC, upstream end]] |
− | |[[Image:cdc_run_32268_thr5_dtfit.png|thumb|x250px|big scintillators, across CDC]] | + | |[[Image:cdc_run_32268_thr5_dtfit.png|thumb|x250px|big scintillators, across CDC, downstream end]] |
|[[Image:cdc_run_32269_thr5_dtfit.png|thumb|x250px|big scintillators, along CDC]] | |[[Image:cdc_run_32269_thr5_dtfit.png|thumb|x250px|big scintillators, along CDC]] | ||
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− | |[[Image:cdc_run_32235_thr6_dtfit.png|thumb|x250px| | + | |[[Image:cdc_run_32235_thr6_dtfit.png|thumb|x250px|big scintillators, across CDC, upstream end]] |
− | |[[Image:cdc_run_32268_thr6_dtfit.png|thumb|x250px|big scintillators, across CDC]] | + | |[[Image:cdc_run_32268_thr6_dtfit.png|thumb|x250px|big scintillators, across CDC, downstream end]] |
|[[Image:cdc_run_32269_thr6_dtfit.png|thumb|x250px|big scintillators, along CDC]] | |[[Image:cdc_run_32269_thr6_dtfit.png|thumb|x250px|big scintillators, along CDC]] | ||
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Revision as of 11:07, 24 June 2013
Drift time fit Estimate of t0 is 850.09 and tmax is 1464.19, difference is 614.10 Straight-line intercept is 834.51, to match histogram fit t0, use tz_add 15.58
Resolutions using tz=16 and Garfield for 2100V, 51Ar, 49CO2
Different scint orientations
Drift time fits, hit threshold 5#sigma
Hit threshold 6#sigma
Hit threshold 6#sigma
-dist(mm) | 8mm (2kV) | 9mm (2.1kV) | 10mm (2.1kV) |
---|---|---|---|
6mm | 381 | 387 | 394 |
7mm | 527 | 535 | 544 |
7.5mm | 608 | 618 | 628 |
7.8mm | 660 | 670 | 681 |
8mm | 706 | 717 | |
8.5mm | 800 | 813 | |
9mm | 914 | ||
9.5mm | 1020 |
Drift time fits, ch 30, hit threshold 6#sigma