Calibration in energy

Calibration

The factors that are applied are coming from Jerome's results :
- Jerome's result's

Verification

There are 2 lists of ratios (swap from P to N side and no swap from P to N side)
The 3 plots are just to see which list is the right one

Ladder with no calibration

Ladder1 with calibration and the swap list

Ladder1 with calibration and the no swap list

no calibration : < pulseN - pulseP > = 0.733 adc counts
calibration + swap list : < pulseN - pulseP > = 0.299 adc counts
calibration + no swap list : < pulseN - pulseP > = 1.156 adc counts

For the 20 Ladders

Difference in pulse for the hits

Done on 70 events
For the 20 ladders
except ladder 7 and 8

without calibration : < pulse N - pulse P > = -7.4 adc counts
with calibration : < pulse N - pulse P > = -3.9 adc counts

From the gaussian fit :
without calibration : < pulse N - pulse P > = -5.3 adc counts
with calibration : < pulse N - pulse P > = -2.2 adc counts


Picture 1 : without calibration	Picture 2 : with calibration

Case1-1(1-2)A(1-2)AS(1-3)A(1-3)AS(2-2)A(2-2)AP(2-2)B(2-3)A(2-3)AP(3-3)A Case012345678910total With out calib8699226308394296923361014616710152 With calib871522629842429496352955118510196 Diff+160-10+30-2+4+16-6+5+18+36

no calibration : 0.856 %
calibration : 0.854 %

For Ladder 3 with 400 events


Picture 1 : without calibration	Picture 2 : with calibration

no calibration :< pulse N - pulse P > = -10.96 adc counts
calibration : < pulse N - pulse P > = -2.831 adc counts

It seems to be quite efficient but a look on each wafers shows some differences :


Picture 1 : without calibration	Picture 2 : with calibration

For all Ladders

Done on 800 events

ladder 1 without calibration	ladder 1 with calibration

ladder 2 without calibration	ladder 2 with calibration

ladder 3 without calibration	ladder 3 with calibration

ladder 4 without calibration	ladder 4 with calibration

ladder 5 without calibration	ladder 5 with calibration

ladder 6 without calibration	ladder 6 with calibration

ladder 7 without calibration	ladder 7 with calibration

ladder 8 without calibration	ladder 8 with calibration

ladder 9 without calibration	ladder 9 with calibration

ladder 10 without calibration	ladder 10 with calibration

ladder 11 without calibration	ladder 11 with calibration

ladder 12 without calibration	ladder 12 with calibration

ladder 13 without calibration	ladder 13 with calibration

ladder 14 without calibration	ladder 14 with calibration

ladder 15 without calibration	ladder 15 with calibration

ladder 16 without calibration	ladder 16 with calibration

ladder 17 without calibration	ladder 17 with calibration

ladder 18 without calibration	ladder 18 with calibration

ladder 19 without calibration	ladder 19 with calibration

ladder 20 without calibration	ladder 20 with calibration

Results for 1 wafer especially


Picture 1 : without calibration	Picture 2 : with calibration

Jonathan Bouchet

Last modified: 5 november