Difference between revisions of "BCM calibration E06007"

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The Run faraday cup vs I0L02 if [[http://hallaweb.jlab.org/experiment/E08-011/documents/bcm/bcmLogs/BcmLog_125 BcmLog125]]
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Steps for BCM calibration
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[[Image:Bcm_e06007.gif]]
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The Run faraday cup vs I0L02 is in [[http://hallaweb.jlab.org/experiment/E08-011/documents/bcm/bcmLogs/BcmLog_125 BcmLog125]]
  
 
Faraday vs Injector current - From BCMLOg-125 - 20Feb07
 
Faraday vs Injector current - From BCMLOg-125 - 20Feb07
  
Faraday_Current = (0.28+-0.03) + (0.994+-0.001) * IBC0L02_Current
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== Faraday_Current = (0.28+-0.03) + (0.994+-0.001) * IBC0L02_Current ==
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== Faraday / Injector = 1.0027 +- 0.0006 , for Current >5uA ==
  
  
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{| border="1"
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!Ratio Faraday vs I0L02 (All range) || Ratio Faraday vs I0L02 (Current > 5uA) ||
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![[Image:Ratio_injector_faraday_20Feb07.gif]] || [[Image:Ratio_injector_faraday_gt5uA_20Feb07.gif]] ||
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|-
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|}

Revision as of 19:59, 2 February 2010

Wiki Entry

https://hallaweb.jlab.org/wiki/index.php/BCM_calibration_E04-018

PVDIS entry

http://hallaweb.jlab.org/experiment/E08-011/documents/bcm/AboutBCMcalibrations.html


I-scan runs in E06007 http://spreadsheets.google.com/ccc?key=0AomwfAy24yA3dEpFQ3k0QnhUQzJ2VEFKei0xaVdIY1E&hl=en


Carbon (1179-1183) Pb (1184-1188) Bi (1349-1354)
I (µA) T1 / T3 (Hz) I (µA) T1 / T3 (Hz) I (µA) T1 / T3 (Hz)
5.3 256 / 243 4.9 1.64k / 605 1.0 192 / 202
10 443 / 414 9.1 3.11k / 1.14k 2.1 420 / 420
21 884 / 826 19.5 6.64k / 2.43k 5 1.1k / 1.0k
40 1.77k / 1.65k 39.2 13.4k / 4.91k 10 2.0k / 2.0k
53 2.24k / 2.08k 42.8 14.7k / 5.40k 25 4.9k / 4.0k
40 8.0k / 7.2k



Steps for BCM calibration

Bcm e06007.gif


The Run faraday cup vs I0L02 is in [BcmLog125]

Faraday vs Injector current - From BCMLOg-125 - 20Feb07


Faraday_Current = (0.28+-0.03) + (0.994+-0.001) * IBC0L02_Current

Faraday / Injector = 1.0027 +- 0.0006 , for Current >5uA

Injector faraday calib 20Feb07.gif


Ratio Faraday vs I0L02 (All range) Ratio Faraday vs I0L02 (Current > 5uA)
Ratio injector faraday 20Feb07.gif Ratio injector faraday gt5uA 20Feb07.gif