Isolated hit

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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

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Isolated hit

  1. 1. SKIROC2 asic performance study with cosmic muon Elmaddin Guliyev
  2. 2. 1: Channel 0 (I called) selected as my favourite channel2: All the channel with Hit3: All the channel at same time no hit4: 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 41] In all case the pedestal distribution (high gain) presented for all the column (sca) – 15 histogram2] In all (three) case the pedestal distribution (high gain) presented for given bcid → 2D hist3] In all case the pedestal distribution (high gain) presented for each bcid – many histogram& cosmic study with crosstalk Dont forget: CH 0 is selected to perform crosstalk affect
  3. 3. Distribution of noise for Channel = 0All the channels have hit ___ HIT BIT == 1
  4. 4. Distribution of noise for Channel = 0All the channels have not hit ___ HIT BIT == 0
  5. 5. Distribution of noise for Channel = 0All the channels have not hit __HIT BIT == 0 but CH0 HITBIT ==1 Some cosmic, comes interesting
  6. 6. Channel = 0Lets look for 2D histogram BCID (x axis) and Pedestal (y axis) for channel 0 in 3 cases:
  7. 7. 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
  8. 8. Channel = 0I f we look the bcid distribution for each column separately Range of X axis: 0-100
  9. 9. Channel = 0I f we look the bcid distribution for each column separately in case same time HIT == 0 Range of X axis: 0-100
  10. 10. 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) conditionwe can see the noise and some bumpon right sidetrigger threshold was a highMIP from cosmic not so clear
  11. 11. cosmic in channel ZERO (12 in them map M2/chip 1) Hit condition Crosstalk conditionIf we apply crosstalk condition, we see:1] The pedestal – noise side is improved2] MIP well separated than pedestal,
  12. 12. But still we have not same behaviour in all the SCA Study continues.....
  13. 13. Difference of BCID
  14. 14. Gap = 10 ADC countX axis ADC Count
  15. 15. Gap = 10 ADC countX axis ADC Count

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