Difference between revisions of "CDC 55 45"

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(Created page with "55/45 Ar/CO<sub>2</sub> and cosmics, prototype horizontal {| border="0" cellpadding="2" |+ 2000V, 55/45 gas, prototype horizontal |[[Image:run_31929_pedmean.png|thumb|x150px|P...")
 
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|+ 60/40 gas, prototype horizontal, 4sigma (gray) and 5sigma (blue) hit threshold, fit range 5sigma+
 
|[[Image:run_31838_r5sig_ampfitz.png|thumb|x250px|1950V, lines show 99.7%, 99% and 95% of landau summed 0-4000 (56, 72, 103)]]
 
|[[Image:run_31840_r5sig_ampfitz.png|thumb|x250px|1975V, lines show 99.7%, 99% and 95% of landau summed 0-4000 (52, 73, 115)]]
 
|[[Image:run_31839_r5sig_ampfitz.png|thumb|x250px|2000V, lines show 99.7%, 99% and 95% of landau summed 0-4000 (68, 95, 148)]]
 
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{| border="1px" cellpadding="2" style="border-style:solid;"
 
|+ 60/40 gas, noise std dev 16.5, hit threshold 5x16.5 = 82.5, fit range 5pedestalsigma+
 
! HV
 
! Fit MPV
 
! Fit sigma (FWHM/4)
 
! MPV/sigma
 
! 99% point 
 
! 4045/MPV
 
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| 1950
 
| 180
 
| 51
 
| 3.5
 
| 72
 
| 22
 
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| 1975
 
| 220
 
| 70
 
| 3.2
 
| 73
 
| 18
 
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| 2000
 
| 282
 
| 89
 
| 3.2
 
| 95
 
 
| 14
 
| 14
 
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Revision as of 15:58, 11 October 2012

55/45 Ar/CO2 and cosmics, prototype horizontal


2000V, 55/45 gas, prototype horizontal
Pedestal mean of samples 0-99, ch20, over 1 day
Pedestal std. dev. of samples 0-99, ch20, over 1 day
2050V, 55/45 gas, prototype horizontal
Pedestal mean of samples 0-99, ch20, over 1 day
Pedestal std. dev. of samples 0-99, ch20, over 1 day
2100V, 55/45 gas, prototype horizontal
Pedestal mean of samples 0-99, ch20, over 1 day
Pedestal std. dev. of samples 0-99, ch20, over 1 day


55/45 gas, prototype horizontal, 4pedestalsigma (gray) and 5pedestalsigma (blue) hit threshold, fit range 5pedestalsigma+
2000V, lines show 99.7%, 99% and 95% of landau summed 0-4000 ()
2050V, lines show 99.7%, 99% and 95% of landau summed 0-4000 ()
2100V, lines show 99.7%, 99% and 95% of landau summed 0-4000 ()


55/45 gas, noise std dev 16.5, hit threshold 5x16.5 = 82.5, fit range 5pedestalsigma+
HV Fit MPV Fit sigma (FWHM/4) MPV/sigma 99% point 4045/MPV
2000 185 50 3.7 79 22
2050 226 67 3.4 84 18
2100 285 87 3.3 101 14