Difference between revisions of "Cf252 NaI detector test. 12 Apr 2012"
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{| border="1" cellspacing="0" style="text-align: center; width: 1000px " | {| border="1" cellspacing="0" style="text-align: center; width: 1000px " | ||
! scope="col" width="8%" | Run # | ! scope="col" width="8%" | Run # | ||
| − | ! scope="col" width=" | + | ! scope="col" width="15%" | source |
| − | ! scope="col" width=" | + | ! scope="col" width="15%" | shielding |
! scope="col" width="8%" | cnts | ! scope="col" width="8%" | cnts | ||
! scope="col" width="8%" | rate | ! scope="col" width="8%" | rate | ||
| − | ! scope="col" width=" | + | ! scope="col" width="66%" | Comments |
|- | |- | ||
|2775||Co-60 some distance away from NaI||2" Pb around, no front shielding|| || || | |2775||Co-60 some distance away from NaI||2" Pb around, no front shielding|| || || | ||
Revision as of 18:02, 12 April 2012
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 | 2" Pb around, no front shielding | |||
| 2776 | bkgd | 2" Pb around, no front shielding | |||
| 2777 | Co-60 on NaI taped | 2" Pb around, no front shielding | see clear 2 big 1.2 and 1.4 MeV peaks, small peak around 4.3 MeV Calibration 1.4MeV/575cnls = 0.00243 MeV/cnl
|