Cf252 NaI detector test. 12 Apr 2012

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NaI detector, -1030V, 300 mV threshold on gate channel, signal ADC4


Run # source shielding cnts rate Comments
2775 Co-60 some distance away from NaI
2776 bkgd
2777 Co-60 on NaI taped see clear 2 big 1.2 and 1.4 MeV peaks. Calibration 1.4MeV/575cnls = 0.00243 MeV/cnl