QM Calibration
Stability with environment
Pulse Height as function of Temperature for QM|
Temperature (Vacuum=1.07X10-5mBar) |
Peak Channel (DAC mV) |
Counts at Peak channel |
|---|
|
Ambient before thermovac |
250 |
31 |
|
0ºC |
249 |
11 |
|
10ºC |
251 |
11 |
|
20ºC |
255 |
11 |
|
30ºC |
250 |
11 |
|
40ºC |
252 |
11 |
|
50ºC |
228 |
11 |
Linearity in Gamma ray Spectrum
Gamma ray spectrum linearity for QM |
Source |
Energy (keV) |
Peak position (DAC mV) |
Counts at Peak Position |
Standard error in peak position |
|---|
|
Ba133 |
356 |
159 (194 mV) |
12.0981 |
17.4002 |
|
Cs137 |
662 |
268 (327 mV) |
11.8553 |
18.7959 |
|
Eu152 |
1112 |
560 (683 mV) |
39.4239 |
19.6171 |
|
Eu152 |
1408 |
804 (981 mV) |
36.3335 |
21.3329 |
