Difference between revisions of "NaI status"

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(Bad Channels, things to check, fix)
 
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= Look at data ==
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[[Coulomb Sum Rule]]
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Use :
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.x online.C+("CSR",run)
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latest run is 1307
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==Bad Channels, things to check, fix==
 +
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From latest cosmcis run 1472
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( in channel number = histogram number +1 )
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Big pedestal value
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 +
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Signal but negative signal ( Offset )
 
Signal but negative signal ( Offset )
  
  
No signal PMT
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Noisy
  
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37
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maybe bad box : 127 to 139
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No signal PMT
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150,67,71,91 ( will put HV to 0 since might be origin of noise )
  
  
 
No signal ADC
 
No signal ADC
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150,
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215,
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262
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[[http://spreadsheets.google.com/pub?key=p6B1kjeTShOTaqsEPvA-WEA
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]]
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<HTML>
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</HTML>

Latest revision as of 00:44, 30 October 2007

Look at data =

Coulomb Sum Rule


Use :

.x online.C+("CSR",run)

latest run is 1307


Bad Channels, things to check, fix

From latest cosmcis run 1472

( in channel number = histogram number +1 )

Big pedestal value


Signal but negative signal ( Offset )


Noisy

37

maybe bad box : 127 to 139

No signal PMT 150,67,71,91 ( will put HV to 0 since might be origin of noise )


No signal ADC 150, 215, 262

[[http://spreadsheets.google.com/pub?key=p6B1kjeTShOTaqsEPvA-WEA ]]

<HTML>

</HTML>