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ITS Calib: Refine calculations for rise time and ToT #14039

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mconcas merged 1 commit into from
Mar 13, 2025
Merged

ITS Calib: Refine calculations for rise time and ToT #14039

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46 changes: 23 additions & 23 deletions Detectors/ITSMFT/ITS/workflow/src/ThresholdCalibratorSpec.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1001,8 +1001,8 @@ void ITSThresholdCalibrator::setRunType(const short int& runtype)
this->mFitType = NO_FIT;
this->mMin = 0;
this->mMax = 400; // strobe delay goes from 0 to 400 (included) in steps of 4
this->mStep = 4;
this->mStrobeWindow = 5; // it's 4 but it corresponds to 4+1 (as from alpide manual)
this->mStep = 1;
this->mStrobeWindow = 1; // it's 0 but it corresponds to 0+1 (as from alpide manual)
this->N_RANGE = (mMax - mMin) / mStep + 1;
this->mCheckExactRow = true;
} else if (runtype == TOT_CALIBRATION_1_ROW) {
Expand All @@ -1013,7 +1013,7 @@ void ITSThresholdCalibrator::setRunType(const short int& runtype)
this->mMin = 0;
this->mMax = 2000; // strobe delay goes from 0 to 2000 in steps of 10
this->mStep = 10;
this->mStrobeWindow = 2; // it's 1 but it corresponds to 1+1 (as from alpide manual)
this->mStrobeWindow = 10; // it's 9 but it corresponds to 9+1 (as from alpide manual)
this->N_RANGE = (mMax - mMin) / mStep + 1;
this->mMin2 = 0; // charge min
this->mMax2 = 170; // charge max
Expand All @@ -1028,7 +1028,7 @@ void ITSThresholdCalibrator::setRunType(const short int& runtype)
this->mMin = 300;
this->mMax = 1100; // strobe delay goes from 300 to 1100 (included) in steps of 10
this->mStep = 10;
this->mStrobeWindow = 2; // it's 1 but it corresponds to 1+1 (as from alpide manual)
this->mStrobeWindow = 10; // it's 9 but it corresponds to 9+1 (as from alpide manual)
this->N_RANGE = (mMax - mMin) / mStep + 1;
this->mMin2 = 30; // charge min
this->mMax2 = 60; // charge max
Expand Down Expand Up @@ -1116,39 +1116,39 @@ std::vector<float> ITSThresholdCalibrator::calculatePulseParams(const short int&

for (auto itrow = mPixelHits[chipID].begin(); itrow != mPixelHits[chipID].end(); itrow++) { // loop over the chip rows
short int row = itrow->first;
for (short int col_i = 0; col_i < this->N_COL; col_i++) { // loop over the pixels on the row
for (short int sdel_i = 0; sdel_i < this->N_RANGE; sdel_i++) { // loop over the strobe delays
if (mPixelHits[chipID][row][col_i][0][sdel_i] > 0 && mPixelHits[chipID][row][col_i][0][sdel_i] < nInj && rt_mindel < 0) { // from left, the last bin with 0 hits or the first with some hits
rt_mindel = sdel_i > 0 ? ((sdel_i - 1) * mStep) + 1 : (sdel_i * mStep) + 1; // + 1 because if delay = n, we get n+1 in reality (ALPIDE feature)
for (short int col_i = 0; col_i < this->N_COL; col_i++) { // loop over the pixels on the row
for (short int sdel_i = 0; sdel_i < this->N_RANGE; sdel_i++) { // loop over the strobe delays
if (mPixelHits[chipID][row][col_i][0][sdel_i] > 0.1 * nInj && mPixelHits[chipID][row][col_i][0][sdel_i] < nInj && rt_mindel < 0) { // from left, first bin with 10% hits and 90% hits
rt_mindel = (sdel_i * mStep) + 1; // + 1 because if delay = n, we get n+1 in reality (ALPIDE feature)
}
if (mPixelHits[chipID][row][col_i][0][sdel_i] == nInj) {
if (mPixelHits[chipID][row][col_i][0][sdel_i] >= 0.9 * nInj) { // for Rt max take the 90% point
rt_maxdel = (sdel_i * mStep) + 1;
break;
}
}
for (short int sdel_i = 0; sdel_i < N_RANGE; sdel_i++) {
if (mPixelHits[chipID][row][col_i][0][sdel_i] >= 0.5 * nInj) { // for ToT take the 50% point
tot_mindel = (sdel_i * mStep) + 1;
break;
}
}

for (short int sdel_i = N_RANGE - 1; sdel_i >= 0; sdel_i--) { // from right, the first bin with nInj hits
if (mPixelHits[chipID][row][col_i][0][sdel_i] == nInj) {
for (short int sdel_i = N_RANGE - 1; sdel_i >= 0; sdel_i--) { // from right, the first bin with 50% nInj hits
if (mPixelHits[chipID][row][col_i][0][sdel_i] >= 0.5 * nInj) {
tot_maxdel = (sdel_i * mStep) + 1;
break;
}
}

if (tot_maxdel > tot_mindel && tot_mindel >= 0 && tot_maxdel >= 0) {
sumTot += tot_maxdel - tot_mindel - (int)(mStrobeWindow / 2);
sumSqTot += (tot_maxdel - tot_mindel - (int)(mStrobeWindow / 2)) * (tot_maxdel - tot_mindel - (int)(mStrobeWindow / 2));
sumTot += tot_maxdel - tot_mindel - mStrobeWindow;
sumSqTot += (tot_maxdel - tot_mindel - mStrobeWindow) * (tot_maxdel - tot_mindel - mStrobeWindow);
countTot++;
}

if (rt_maxdel > rt_mindel && rt_maxdel > 0) {
if (rt_mindel < 0) {
sumRt += mStep + (int)(mStrobeWindow / 2); // resolution -> in case the rise is "instantaneous"
sumSqRt += (mStep + (int)(mStrobeWindow / 2)) * (mStep + (int)(mStrobeWindow / 2));
} else {
sumRt += rt_maxdel - rt_mindel + (int)(mStrobeWindow / 2);
sumSqRt += (rt_maxdel - rt_mindel + (int)(mStrobeWindow / 2)) * (rt_maxdel - rt_mindel + (int)(mStrobeWindow / 2));
}
if (rt_maxdel > rt_mindel && rt_maxdel > 0 && rt_mindel > 0) {
sumRt += rt_maxdel - rt_mindel + mStrobeWindow;
sumSqRt += (rt_maxdel - rt_mindel + mStrobeWindow) * (rt_maxdel - rt_mindel + mStrobeWindow);
countRt++;
}

Expand Down Expand Up @@ -1232,8 +1232,8 @@ std::vector<float> ITSThresholdCalibrator::calculatePulseParams2D(const short in
}

if (maxPl > tot_mindel && tot_mindel < 1e7 && maxPl >= 0) { // ToT
sumTot += maxPl - tot_mindel - (int)(mStrobeWindow / 2);
sumSqTot += (maxPl - tot_mindel - (int)(mStrobeWindow / 2)) * (maxPl - tot_mindel - (int)(mStrobeWindow / 2));
sumTot += maxPl - tot_mindel - mStrobeWindow;
sumSqTot += (maxPl - tot_mindel - mStrobeWindow) * (maxPl - tot_mindel - mStrobeWindow);
countTot++;
}

Expand Down