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[PWGCF] add global vs multV0A cut in di-hadron #12393

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Merged
shouqiye merged 2 commits into from
Aug 2, 2025
Merged

[PWGCF] add global vs multV0A cut in di-hadron #12393

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056d337
modify centraliy QA range
Luzhiyongg Aug 2, 2025
8a6c1a4
add global vs multV0A cut
Luzhiyongg Aug 2, 2025
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4 changes: 2 additions & 2 deletions PWGCF/Flow/Tasks/flowTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -251,11 +251,11 @@ struct FlowTask {
registry.add("hVtxZ", "Vexter Z distribution", {HistType::kTH1D, {axisVertex}});
registry.add("hMult", "Multiplicity distribution", {HistType::kTH1D, {{3000, 0.5, 3000.5}}});
std::string hCentTitle = "Centrality distribution, Estimator " + std::to_string(cfgCentEstimator);
registry.add("hCent", hCentTitle.c_str(), {HistType::kTH1D, {{90, 0, 90}}});
registry.add("hCent", hCentTitle.c_str(), {HistType::kTH1D, {{100, 0, 100}}});
if (doprocessMCGen) {
registry.add("MCGen/MChVtxZ", "Vexter Z distribution", {HistType::kTH1D, {axisVertex}});
registry.add("MCGen/MChMult", "Multiplicity distribution", {HistType::kTH1D, {{3000, 0.5, 3000.5}}});
registry.add("MCGen/MChCent", hCentTitle.c_str(), {HistType::kTH1D, {{90, 0, 90}}});
registry.add("MCGen/MChCent", hCentTitle.c_str(), {HistType::kTH1D, {{100, 0, 100}}});
}
if (!cfgUseSmallMemory) {
registry.add("BeforeSel8_globalTracks_centT0C", "before sel8;Centrality T0C;mulplicity global tracks", {HistType::kTH2D, {axisCentForQA, axisNch}});
Expand Down
93 changes: 55 additions & 38 deletions PWGCF/TwoParticleCorrelations/Tasks/diHadronCor.cxx
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Expand Up @@ -108,13 +108,28 @@ struct DiHadronCor {
Configurable<std::vector<double>> cfgMultT0CCutPars{"cfgMultT0CCutPars", std::vector<double>{143.04, -4.58368, 0.0766055, -0.000727796, 2.86153e-06, 23.3108, -0.36304, 0.00437706, -4.717e-05, 1.98332e-07}, "Global multiplicity vs T0C centrality cut parameter values"};
O2_DEFINE_CONFIGURABLE(cfgMultPVT0CCutEnabled, bool, false, "Enable PV multiplicity vs T0C centrality cut")
Configurable<std::vector<double>> cfgMultPVT0CCutPars{"cfgMultPVT0CCutPars", std::vector<double>{195.357, -6.15194, 0.101313, -0.000955828, 3.74793e-06, 30.0326, -0.43322, 0.00476265, -5.11206e-05, 2.13613e-07}, "PV multiplicity vs T0C centrality cut parameter values"};
O2_DEFINE_CONFIGURABLE(cfgMultMultHighCutFunction, std::string, "[0]+[1]*x + 5.*([2]+[3]*x)", "Functional for multiplicity correlation cut");
O2_DEFINE_CONFIGURABLE(cfgMultMultLowCutFunction, std::string, "[0]+[1]*x - 5.*([2]+[3]*x)", "Functional for multiplicity correlation cut");
O2_DEFINE_CONFIGURABLE(cfgMultMultPVHighCutFunction, std::string, "[0]+[1]*x + 5.*([2]+[3]*x)", "Functional for multiplicity correlation cut");
O2_DEFINE_CONFIGURABLE(cfgMultMultPVLowCutFunction, std::string, "[0]+[1]*x - 5.*([2]+[3]*x)", "Functional for multiplicity correlation cut");
O2_DEFINE_CONFIGURABLE(cfgMultGlobalPVCutEnabled, bool, false, "Enable global multiplicity vs PV multiplicity cut")
Configurable<std::vector<double>> cfgMultGlobalPVCutPars{"cfgMultGlobalPVCutPars", std::vector<double>{-0.140809, 0.734344, 2.77495, 0.0165935}, "PV multiplicity vs T0C centrality cut parameter values"};
O2_DEFINE_CONFIGURABLE(cfgMultMultV0AHighCutFunction, std::string, "[0] + [1]*x + [2]*x*x + [3]*x*x*x + [4]*x*x*x*x + 4.*([5] + [6]*x + [7]*x*x + [8]*x*x*x + [9]*x*x*x*x)", "Functional for multiplicity correlation cut");
O2_DEFINE_CONFIGURABLE(cfgMultMultV0ALowCutFunction, std::string, "[0] + [1]*x + [2]*x*x + [3]*x*x*x + [4]*x*x*x*x - 3.*([5] + [6]*x + [7]*x*x + [8]*x*x*x + [9]*x*x*x*x)", "Functional for multiplicity correlation cut");
O2_DEFINE_CONFIGURABLE(cfgMultMultV0ACutEnabled, bool, false, "Enable global multiplicity vs V0A multiplicity cut")
Configurable<std::vector<double>> cfgMultMultV0ACutPars{"cfgMultMultV0ACutPars", std::vector<double>{534.893, 184.344, 0.423539, -0.00331436, 5.34622e-06, 871.239, 53.3735, -0.203528, 0.000122758, 5.41027e-07}, "Global multiplicity vs V0A multiplicity cut parameter values"};
std::vector<double> multT0CCutPars;
std::vector<double> multPVT0CCutPars;
std::vector<double> multGlobalPVCutPars;
std::vector<double> multMultV0ACutPars;
TF1* fMultPVT0CCutLow = nullptr;
TF1* fMultPVT0CCutHigh = nullptr;
TF1* fMultT0CCutLow = nullptr;
TF1* fMultT0CCutHigh = nullptr;
TF1* fMultGlobalPVCutLow = nullptr;
TF1* fMultGlobalPVCutHigh = nullptr;
TF1* fMultMultV0ACutLow = nullptr;
TF1* fMultMultV0ACutHigh = nullptr;
TF1* fT0AV0AMean = nullptr;
TF1* fT0AV0ASigma = nullptr;
} cfgFuncParas;

SliceCache cache;
Expand Down Expand Up @@ -183,16 +198,6 @@ struct DiHadronCor {
// persistent caches
std::vector<float> efficiencyAssociatedCache;

// Additional Event selection cuts - Copy from flowGenericFramework.cxx
TF1* fMultPVT0CCutLow = nullptr;
TF1* fMultPVT0CCutHigh = nullptr;
TF1* fMultT0CCutLow = nullptr;
TF1* fMultT0CCutHigh = nullptr;
TF1* fMultGlobalPVCutLow = nullptr;
TF1* fMultGlobalPVCutHigh = nullptr;
TF1* fT0AV0AMean = nullptr;
TF1* fT0AV0ASigma = nullptr;

void init(InitContext&)
{
if (cfgCentTableUnavailable && !cfgSelCollByNch) {
Expand Down Expand Up @@ -229,25 +234,31 @@ struct DiHadronCor {
cfgFuncParas.multT0CCutPars = cfgFuncParas.cfgMultT0CCutPars;
cfgFuncParas.multPVT0CCutPars = cfgFuncParas.cfgMultPVT0CCutPars;
cfgFuncParas.multGlobalPVCutPars = cfgFuncParas.cfgMultGlobalPVCutPars;
fMultPVT0CCutLow = new TF1("fMultPVT0CCutLow", cfgFuncParas.cfgMultCentLowCutFunction->c_str(), 0, 100);
fMultPVT0CCutLow->SetParameters(&(cfgFuncParas.multPVT0CCutPars[0]));
fMultPVT0CCutHigh = new TF1("fMultPVT0CCutHigh", cfgFuncParas.cfgMultCentHighCutFunction->c_str(), 0, 100);
fMultPVT0CCutHigh->SetParameters(&(cfgFuncParas.multPVT0CCutPars[0]));

fMultT0CCutLow = new TF1("fMultT0CCutLow", cfgFuncParas.cfgMultCentLowCutFunction->c_str(), 0, 100);
fMultT0CCutLow->SetParameters(&(cfgFuncParas.multT0CCutPars[0]));
fMultT0CCutHigh = new TF1("fMultT0CCutHigh", cfgFuncParas.cfgMultCentHighCutFunction->c_str(), 0, 100);
fMultT0CCutHigh->SetParameters(&(cfgFuncParas.multT0CCutPars[0]));

fMultGlobalPVCutLow = new TF1("fMultGlobalPVCutLow", cfgFuncParas.cfgMultMultLowCutFunction->c_str(), 0, 4000);
fMultGlobalPVCutLow->SetParameters(&(cfgFuncParas.multGlobalPVCutPars[0]));
fMultGlobalPVCutHigh = new TF1("fMultGlobalPVCutHigh", cfgFuncParas.cfgMultMultHighCutFunction->c_str(), 0, 4000);
fMultGlobalPVCutHigh->SetParameters(&(cfgFuncParas.multGlobalPVCutPars[0]));

fT0AV0AMean = new TF1("fT0AV0AMean", "[0]+[1]*x", 0, 200000);
fT0AV0AMean->SetParameters(-1601.0581, 9.417652e-01);
fT0AV0ASigma = new TF1("fT0AV0ASigma", "[0]+[1]*x+[2]*x*x+[3]*x*x*x+[4]*x*x*x*x", 0, 200000);
fT0AV0ASigma->SetParameters(463.4144, 6.796509e-02, -9.097136e-07, 7.971088e-12, -2.600581e-17);
cfgFuncParas.multMultV0ACutPars = cfgFuncParas.cfgMultMultV0ACutPars;
cfgFuncParas.fMultPVT0CCutLow = new TF1("fMultPVT0CCutLow", cfgFuncParas.cfgMultCentLowCutFunction->c_str(), 0, 100);
cfgFuncParas.fMultPVT0CCutLow->SetParameters(&(cfgFuncParas.multPVT0CCutPars[0]));
cfgFuncParas.fMultPVT0CCutHigh = new TF1("fMultPVT0CCutHigh", cfgFuncParas.cfgMultCentHighCutFunction->c_str(), 0, 100);
cfgFuncParas.fMultPVT0CCutHigh->SetParameters(&(cfgFuncParas.multPVT0CCutPars[0]));

cfgFuncParas.fMultT0CCutLow = new TF1("fMultT0CCutLow", cfgFuncParas.cfgMultCentLowCutFunction->c_str(), 0, 100);
cfgFuncParas.fMultT0CCutLow->SetParameters(&(cfgFuncParas.multT0CCutPars[0]));
cfgFuncParas.fMultT0CCutHigh = new TF1("fMultT0CCutHigh", cfgFuncParas.cfgMultCentHighCutFunction->c_str(), 0, 100);
cfgFuncParas.fMultT0CCutHigh->SetParameters(&(cfgFuncParas.multT0CCutPars[0]));

cfgFuncParas.fMultGlobalPVCutLow = new TF1("fMultGlobalPVCutLow", cfgFuncParas.cfgMultMultPVLowCutFunction->c_str(), 0, 4000);
cfgFuncParas.fMultGlobalPVCutLow->SetParameters(&(cfgFuncParas.multGlobalPVCutPars[0]));
cfgFuncParas.fMultGlobalPVCutHigh = new TF1("fMultGlobalPVCutHigh", cfgFuncParas.cfgMultMultPVHighCutFunction->c_str(), 0, 4000);
cfgFuncParas.fMultGlobalPVCutHigh->SetParameters(&(cfgFuncParas.multGlobalPVCutPars[0]));

cfgFuncParas.fMultMultV0ACutLow = new TF1("fMultMultV0ACutLow", cfgFuncParas.cfgMultMultV0ALowCutFunction->c_str(), 0, 4000);
cfgFuncParas.fMultMultV0ACutLow->SetParameters(&(cfgFuncParas.multMultV0ACutPars[0]));
cfgFuncParas.fMultMultV0ACutHigh = new TF1("fMultMultV0ACutHigh", cfgFuncParas.cfgMultMultV0AHighCutFunction->c_str(), 0, 4000);
cfgFuncParas.fMultMultV0ACutHigh->SetParameters(&(cfgFuncParas.multMultV0ACutPars[0]));

cfgFuncParas.fT0AV0AMean = new TF1("fT0AV0AMean", "[0]+[1]*x", 0, 200000);
cfgFuncParas.fT0AV0AMean->SetParameters(-1601.0581, 9.417652e-01);
cfgFuncParas.fT0AV0ASigma = new TF1("fT0AV0ASigma", "[0]+[1]*x+[2]*x*x+[3]*x*x*x+[4]*x*x*x*x", 0, 200000);
cfgFuncParas.fT0AV0ASigma->SetParameters(463.4144, 6.796509e-02, -9.097136e-07, 7.971088e-12, -2.600581e-17);
}

std::string hCentTitle = "Centrality distribution, Estimator " + std::to_string(cfgCentEstimator);
Expand Down Expand Up @@ -682,21 +693,27 @@ struct DiHadronCor {
auto multNTracksPV = collision.multNTracksPV();
if (cfgEvSelMultCorrelation) {
if (cfgFuncParas.cfgMultPVT0CCutEnabled) {
if (multNTracksPV < fMultPVT0CCutLow->Eval(centrality))
if (multNTracksPV < cfgFuncParas.fMultPVT0CCutLow->Eval(centrality))
return 0;
if (multNTracksPV > fMultPVT0CCutHigh->Eval(centrality))
if (multNTracksPV > cfgFuncParas.fMultPVT0CCutHigh->Eval(centrality))
return 0;
}
if (cfgFuncParas.cfgMultT0CCutEnabled) {
if (multTrk < fMultT0CCutLow->Eval(centrality))
if (multTrk < cfgFuncParas.fMultT0CCutLow->Eval(centrality))
return 0;
if (multTrk > fMultT0CCutHigh->Eval(centrality))
if (multTrk > cfgFuncParas.fMultT0CCutHigh->Eval(centrality))
return 0;
}
if (cfgFuncParas.cfgMultGlobalPVCutEnabled) {
if (multTrk < fMultGlobalPVCutLow->Eval(multNTracksPV))
if (multTrk < cfgFuncParas.fMultGlobalPVCutLow->Eval(multNTracksPV))
return 0;
if (multTrk > cfgFuncParas.fMultGlobalPVCutHigh->Eval(multNTracksPV))
return 0;
}
if (cfgFuncParas.cfgMultMultV0ACutEnabled) {
if (collision.multFV0A() < cfgFuncParas.fMultMultV0ACutLow->Eval(multTrk))
return 0;
if (multTrk > fMultGlobalPVCutHigh->Eval(multNTracksPV))
if (collision.multFV0A() > cfgFuncParas.fMultMultV0ACutHigh->Eval(multTrk))
return 0;
}
}
Expand All @@ -705,7 +722,7 @@ struct DiHadronCor {

// V0A T0A 5 sigma cut
float sigma = 5.0;
if (cfgEvSelV0AT0ACut && (std::fabs(collision.multFV0A() - fT0AV0AMean->Eval(collision.multFT0A())) > sigma * fT0AV0ASigma->Eval(collision.multFT0A())))
if (cfgEvSelV0AT0ACut && (std::fabs(collision.multFV0A() - cfgFuncParas.fT0AV0AMean->Eval(collision.multFT0A())) > sigma * cfgFuncParas.fT0AV0ASigma->Eval(collision.multFT0A())))
return 0;
if (fillCounter && cfgEvSelV0AT0ACut)
registry.fill(HIST("hEventCountSpecific"), 11.5);
Expand Down
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