ASIC readout with silicon wafer performed with cosmic muons. Main goal was to study crosstalk of the ASIC channels (64 channel). When I isolated one particular channel, I can see the pedestal and MIP
2. 1: Channel 0 (I called) selected as my favourite channel
2: All the channel with Hit
3: All the channel at same time no hit
4: 8 channel same time have not a hit (hit bit = 0) and channel 0 has a hit (hit bit = 1)
In map its M2 channel number 12
8 7 6
1 0 5
2 3 4
1] In all case the pedestal distribution (high gain) presented for all the column (sca) – 15 histogram
2] In all (three) case the pedestal distribution (high gain) presented for given bcid → 2D hist
3] In all case the pedestal distribution (high gain) presented for each bcid – many histogram
& cosmic study with crosstalk
Don't forget: CH 0 is selected to perform crosstalk affect
5. Distribution of noise for Channel = 0
All the channels have not hit __HIT BIT == 0 but CH0 HITBIT ==1
Some cosmic,
comes interesting
6. Channel = 0
Lets look for 2D histogram BCID (x axis) and Pedestal (y axis) for channel 0 in 3 cases:
9. Channel = 0
Lets look for 2D histogram BCID (x axis) and Pedestal (y axis) for channel 0 in 3 cases:
I f we look the bcid distribution for all the column together, the hits received only early time~noise
10. Channel = 0
I f we look the bcid distribution for each column separately
Range of X axis: 0-100
11. Channel = 0
I f we look the bcid distribution for each column separately in case same time HIT == 0
Range of X axis: 0-100
12. cosmic in channel ZERO (12 in them map M2/chip 1)
Which peak belongs to cosmic MIP ?
If we apply Hit>40 (for one chip) condition
we can see the noise and some bump
on right side
trigger threshold was a high
MIP from cosmic not so clear
13. cosmic in channel ZERO (12 in them map M2/chip 1)
Hit condition
Crosstalk condition
If we apply crosstalk condition, we see:
1] The pedestal – noise side is improved
2] MIP well separated than pedestal,
14. But still we have not same behaviour in all the SCA
Study continues.....