NaI status

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Revision as of 21:59, 27 October 2007 by 129.57.164.79 (Talk)

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Look at data =

Coulomb Sum Rule


Use :

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

latest run is 1307


Bad Channels, things to check, fix

( in channel number = histogram number +1 )

Big pedestal value


Signal but negative signal ( Offset )


Noisy

maybe bad box : 127 to 139

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


No signal ADC 74 looks like bad channel, DC offset was tuned twice and big , to be moved on another channel 125