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Blaj, Gabriel 2018-12-04, 2:08 PMO'Grady, Paul Christopher;Nelson, Silke;Dubrovin, Mikhail;Hart, Philip Adam Hi, You could try to use the gain files obtained with the pulser. They are not great but might work. For a better gain calibration, we should use single photon data. There is sufficient 1 photon data taken during the first testing at XCS, but it will take me a few days to calculate the gains. I would actually advocate returning the number of photons (as we discussed in a meeting a few months ago). Even without a calibration it can be easily calculated from the (average) gains: High (FH and AHL): 132 ADU/9.5 keV Medium (FM and AML): 43 ADU/9.5 keV Low (FL, AHL, AML): 1.32 ADU/9.5 keV (Just a note, while the pulser is not great for calibrating gains, it works fine for offset calibration) Thanks, Gabriel |
Gain factors measured
- High (FH and AHL): 132 ADU/9.5 keV
- Medium (FM and AML): 43 ADU/9.5 keV
- Low (FL, AHL, AML): 1.32 ADU/9.5 keV
Gain factors default and from charge injection
gain | charge injection | current default |
---|---|---|
L | 0.46 | 0.01 |
M | 15. | 0.03(3) |
H | 46.7 | 1 |
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