Results from first iteration (day 18072)

ADC spectra for all channel: FPOST
ADC spectra for all channels: FPS
Legend:
- blue -> ONLY0
- green -> ONLY1
- red -> PHYSICS

 

Results from first gain scan for FPS and FPOST

Default voltages:
- as in 2015 for FPS
- 66.1 V for FPOST

	ONLY0	ONLY1
-0.6 V	18057003	18057004
-0.3 V	18056097	18056098
0.0 V	18056120	18056121
+0.3 V	18056099	18056100
+0.6 V	18057001	18057002

- See all distributions in pdf files listed below
- ADC distributions are fit with a Landau function between 25 and 250
- When pedestals are visible, they are fit with an exponential between 10 and 20
- MPV values are fit with a linear function (green)
- Points are excluded from the MPV fit when the peak it too close to the exponent (open circles)
- New set voltages are updated when fit functions describe the spectra reasonably

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Output:

/star/u/oleg/pwg/fms2017/gainscan/data/fpost_db_master_20170309.csv
/star/u/oleg/pwg/fms2017/gainscan/data/fps_db_master_20170309.csv