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[PWGCF] Implementation of pt & spectral weights added for the v0 correlations #17514

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Merged
wenyaCern merged 4 commits into from
Aug 20, 2026
Merged

[PWGCF] Implementation of pt & spectral weights added for the v0 correlations #17514

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97b1554
[PWGCF] Pt & frac weights added
Aug 19, 2026
4eace1d
Please consider the following formatting changes
alibuild Aug 19, 2026
148d08e
Merge pull request #30 from alibuild/alibot-cleanup-17514
MaximVirta Aug 19, 2026
028ac35
Threshhold variable fixed
Aug 20, 2026
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105 changes: 74 additions & 31 deletions PWGCF/GenericFramework/Tasks/flowGfwV02.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -424,6 +424,12 @@ struct FlowGfwV02 {
registry.add("analysis/charged/ptA", "", {HistType::kTProfile3D, {bsAxis, centAxis, nchAxis}});
registry.add("analysis/charged/ptB", "", {HistType::kTProfile3D, {bsAxis, centAxis, nchAxis}});
registry.add("analysis/charged/ptAB", "", {HistType::kTProfile3D, {bsAxis, centAxis, nchAxis}});
if (cfgUseMultiplicityFracWeights) {
registry.add("analysis/charged/nchA2pc", "", {HistType::kTProfile3D, {bsAxis, ptAxis, centAxis}});
registry.add("analysis/charged/nchB2pc", "", {HistType::kTProfile3D, {bsAxis, ptAxis, centAxis}});
registry.add("analysis/charged/ptA2pc", "", {HistType::kTProfile3D, {bsAxis, centAxis, nchAxis}});
registry.add("analysis/charged/ptB2pc", "", {HistType::kTProfile3D, {bsAxis, centAxis, nchAxis}});
}

registry.addClone("analysis/charged/", "analysis/pion/");
registry.addClone("analysis/charged/", "analysis/kaon/");
Expand Down Expand Up @@ -835,14 +841,15 @@ struct FlowGfwV02 {
template <DataType dt>
void fillOutputContainers(const float& centmult, const int& multiplicity, const double& rndm, const int& /*run*/ = 0)
{
double threshold = 1.01;
for (uint l_ind = 0; l_ind < corrconfigs.size(); ++l_ind) {
if (!corrconfigs.at(l_ind).pTDif) {
auto dnx = fGFW->Calculate(corrconfigs.at(l_ind), 0, kTRUE).real();
if (dnx == 0)
continue;
auto val = fGFW->Calculate(corrconfigs.at(l_ind), 0, kFALSE).real() / dnx;

if (std::abs(val) < 1) {
if (std::abs(val) < threshold) {
fFC->FillProfile(corrconfigs.at(l_ind).Head.c_str(), centmult, val, (cfgUseMultiplicityFlowWeights) ? dnx : 1.0, rndm);
}
continue;
Expand All @@ -865,7 +872,6 @@ struct FlowGfwV02 {
ebyeWeight *= pidStates.hPtMid[PidCharged]->Integral();
}
double ptFraction = 0;
double threshold = 1.01;
int normIndex = (cfgNormalizeByCharged) ? PidCharged : pidInd; // Configured to normalize by charged particles or the selected particle
if (pidStates.hPtMid[normIndex]->Integral() > 0) {
ptFraction = pidStates.hPtMid[pidInd]->GetBinContent(i) / pidStates.hPtMid[normIndex]->Integral();
Expand All @@ -888,60 +894,98 @@ struct FlowGfwV02 {
if (!(pidStates.hPtForward[normIndex]->Integral() > 0) || !(pidStates.hPtBackward[normIndex]->Integral() > 0)) {
continue; // Forward or backward pT distribution is not defined
}
double WeightA = 1.0;
double WeightB = 1.0;
if (cfgUseMultiplicityFracWeights) {
WeightA = pidStates.hPtForward[PidCharged]->Integral();
WeightB = pidStates.hPtBackward[PidCharged]->Integral();
}
for (int i = 1; i <= fSecondAxis->GetNbins(); i++) {
ptFractionForward = pidStates.hPtForward[pid]->GetBinContent(i) / pidStates.hPtForward[normIndex]->Integral();
ptFractionBackward = pidStates.hPtBackward[pid]->GetBinContent(i) / pidStates.hPtBackward[normIndex]->Integral();
v0corrAB = ptFractionForward * ptMeanBackward;
v0corrBA = ptFractionBackward * ptMeanForward;
switch (pid) {
case PidCharged:
registry.fill(HIST("analysis/charged/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB);
registry.fill(HIST("analysis/charged/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA);
registry.fill(HIST("analysis/charged/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward);
registry.fill(HIST("analysis/charged/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward);
registry.fill(HIST("analysis/charged/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB, WeightA * WeightB);
registry.fill(HIST("analysis/charged/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA, WeightA * WeightB);
registry.fill(HIST("analysis/charged/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA);
registry.fill(HIST("analysis/charged/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/charged/nchA2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA * WeightB);
registry.fill(HIST("analysis/charged/nchB2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightA * WeightB);
}
break;
case PidPions:
registry.fill(HIST("analysis/pion/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB);
registry.fill(HIST("analysis/pion/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA);
registry.fill(HIST("analysis/pion/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward);
registry.fill(HIST("analysis/pion/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward);
registry.fill(HIST("analysis/pion/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB, WeightA * WeightB);
registry.fill(HIST("analysis/pion/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA, WeightA * WeightB);
registry.fill(HIST("analysis/pion/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA);
registry.fill(HIST("analysis/pion/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/pion/nchA2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA * WeightB);
registry.fill(HIST("analysis/pion/nchB2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightA * WeightB);
}
break;
case PidKaons:
registry.fill(HIST("analysis/kaon/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB);
registry.fill(HIST("analysis/kaon/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA);
registry.fill(HIST("analysis/kaon/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward);
registry.fill(HIST("analysis/kaon/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward);
registry.fill(HIST("analysis/kaon/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB, WeightA * WeightB);
registry.fill(HIST("analysis/kaon/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA, WeightA * WeightB);
registry.fill(HIST("analysis/kaon/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA);
registry.fill(HIST("analysis/kaon/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/kaon/nchA2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA * WeightB);
registry.fill(HIST("analysis/kaon/nchB2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightA * WeightB);
}
break;
case PidProtons:
registry.fill(HIST("analysis/proton/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB);
registry.fill(HIST("analysis/proton/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA);
registry.fill(HIST("analysis/proton/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward);
registry.fill(HIST("analysis/proton/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward);
registry.fill(HIST("analysis/proton/v0AB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrAB, WeightA * WeightB);
registry.fill(HIST("analysis/proton/v0BA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, v0corrBA, WeightA * WeightB);
registry.fill(HIST("analysis/proton/nchA"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA);
registry.fill(HIST("analysis/proton/nchB"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/proton/nchA2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionForward, WeightA * WeightB);
registry.fill(HIST("analysis/proton/nchB2pc"), bootstrap, fSecondAxis->GetBinCenter(i), centmult, ptFractionBackward, WeightA * WeightB);
}
break;
default:
break;
}
}
switch (pid) {
case PidCharged:
registry.fill(HIST("analysis/charged/ptA"), bootstrap, centmult, multiplicity, ptMeanForward);
registry.fill(HIST("analysis/charged/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward);
registry.fill(HIST("analysis/charged/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward);
registry.fill(HIST("analysis/charged/ptA"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA);
registry.fill(HIST("analysis/charged/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/charged/ptA2pc"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA * WeightB);
registry.fill(HIST("analysis/charged/ptB2pc"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightA * WeightB);
}
registry.fill(HIST("analysis/charged/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward, WeightA * WeightB);
break;
case PidPions:
registry.fill(HIST("analysis/pion/ptA"), bootstrap, centmult, multiplicity, ptMeanForward);
registry.fill(HIST("analysis/pion/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward);
registry.fill(HIST("analysis/pion/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward);
registry.fill(HIST("analysis/pion/ptA"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA);
registry.fill(HIST("analysis/pion/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/pion/ptA2pc"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA * WeightB);
registry.fill(HIST("analysis/pion/ptB2pc"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightA * WeightB);
}
registry.fill(HIST("analysis/pion/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward, WeightA * WeightB);
break;
case PidKaons:
registry.fill(HIST("analysis/kaon/ptA"), bootstrap, centmult, multiplicity, ptMeanForward);
registry.fill(HIST("analysis/kaon/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward);
registry.fill(HIST("analysis/kaon/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward);
registry.fill(HIST("analysis/kaon/ptA"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA);
registry.fill(HIST("analysis/kaon/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/kaon/ptA2pc"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA * WeightB);
registry.fill(HIST("analysis/kaon/ptB2pc"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightA * WeightB);
}
registry.fill(HIST("analysis/kaon/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward, WeightA * WeightB);
break;
case PidProtons:
registry.fill(HIST("analysis/proton/ptA"), bootstrap, centmult, multiplicity, ptMeanForward);
registry.fill(HIST("analysis/proton/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward);
registry.fill(HIST("analysis/proton/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward);
registry.fill(HIST("analysis/proton/ptA"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA);
registry.fill(HIST("analysis/proton/ptB"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightB);
if (cfgUseMultiplicityFracWeights) {
registry.fill(HIST("analysis/proton/ptA2pc"), bootstrap, centmult, multiplicity, ptMeanForward, WeightA * WeightB);
registry.fill(HIST("analysis/proton/ptB2pc"), bootstrap, centmult, multiplicity, ptMeanBackward, WeightA * WeightB);
}
registry.fill(HIST("analysis/proton/ptAB"), bootstrap, centmult, multiplicity, ptMeanForward * ptMeanBackward, WeightA * WeightB);
break;
default:
break;
Expand All @@ -958,7 +1002,6 @@ struct FlowGfwV02 {
double ptFraction = 0;
if (pidStates.hPtMid[PidCharged]->Integral() > 0) {
ptFraction = pidStates.hPtMid[PidCharged]->GetBinContent(i) / pidStates.hPtMid[PidCharged]->Integral();
double threshold = 1.01;
if (std::abs(val) < threshold)
registry.fill(HIST("v02pt"), fSecondAxis->GetBinCenter(i), centmult, multiplicity, val * ptFraction, (cfgUseMultiplicityFlowWeights) ? dnx : 1.0);
registry.fill(HIST("nchMid"), fSecondAxis->GetBinCenter(i), centmult, multiplicity, ptFraction);
Expand Down
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