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[PWGCF] add dpt cut, modify dpt vs cent #13684

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Merged
victor-gonzalez merged 2 commits into from
Nov 5, 2025
Merged

[PWGCF] add dpt cut, modify dpt vs cent #13684

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fa65006
add dpt cut, modify dpt vs cent
Luzhiyongg Nov 4, 2025
a331edb
o2 linter
Luzhiyongg Nov 4, 2025
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62 changes: 38 additions & 24 deletions PWGCF/Flow/Tasks/flowTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -155,12 +155,15 @@ struct FlowTask {
O2_DEFINE_CONFIGURABLE(cfgTPCPhiCutPtMin, float, 2.0f, "start point of phi-pt cut")
TF1* fPhiCutLow = nullptr;
TF1* fPhiCutHigh = nullptr;
// for deltaPt/<pT> vs c22 vs centrality
// for deltaPt/<pT> vs centrality
O2_DEFINE_CONFIGURABLE(cfgDptDisEnable, bool, false, "Produce deltaPt/meanPt vs c22 vs centrality")
O2_DEFINE_CONFIGURABLE(cfgDptDisCorrConfigIndex, int, 7, "Index in CorrConfig, this decide which correlation is filled")
O2_DEFINE_CONFIGURABLE(cfgDptDisSelectionSwitch, int, 0, "0: disable, 1: use low cut, 2:use high cut")
TH1D* hEvAvgMeanPt = nullptr;
TH1D* fDptDisCutLow = nullptr;
TH1D* fDptDisCutHigh = nullptr;
O2_DEFINE_CONFIGURABLE(cfgDptDishEvAvgMeanPt, std::string, "", "CCDB path to hMeanPt object")
ConfigurableAxis cfgDptDisAxisCorr{"cfgDptDisAxisCorr", {50, 0., 0.005}, "pt axis for histograms"};
O2_DEFINE_CONFIGURABLE(cfgDptDisCutLow, std::string, "", "CCDB path to dpt lower boundary")
O2_DEFINE_CONFIGURABLE(cfgDptDisCutHigh, std::string, "", "CCDB path to dpt higher boundary")
ConfigurableAxis cfgDptDisAxisNormal{"cfgDptDisAxisNormal", {200, -1., 1.}, "normalized axis"};
} cfgFuncParas;

Expand Down Expand Up @@ -223,6 +226,11 @@ struct FlowTask {
kReco,
kGen
};
enum DptCut {
kNoDptCut = 0,
kLowDptCut = 1,
kHighDptCut = 2
};
int mRunNumber{-1};
uint64_t mSOR{0};
double mMinSeconds{-1.};
Expand Down Expand Up @@ -324,7 +332,7 @@ struct FlowTask {
registry.add("PtVariance_partA_WithinGap08", "", {HistType::kTProfile, {axisIndependent}});
registry.add("PtVariance_partB_WithinGap08", "", {HistType::kTProfile, {axisIndependent}});
if (cfgFuncParas.cfgDptDisEnable) {
registry.add("hNormDeltaPt_Corr_X", " #delta p_{T}/[p_{T}]; Corr; X", {HistType::kTH3D, {cfgFuncParas.cfgDptDisAxisNormal, cfgFuncParas.cfgDptDisAxisCorr, axisIndependent}});
registry.add("hNormDeltaPt_X", "; #delta p_{T}/[p_{T}]; X", {HistType::kTH2D, {cfgFuncParas.cfgDptDisAxisNormal, axisIndependent}});
}
if (doprocessMCGen) {
registry.add("MCGen/MChPhi", "#phi distribution", {HistType::kTH1D, {axisPhi}});
Expand Down Expand Up @@ -603,25 +611,6 @@ struct FlowTask {
return;
}

template <char... chars>
void fillDeltaPtvsCorr(const GFW::CorrConfig& corrconf, const double& sum_pt, const double& WeffEvent, const ConstStr<chars...>& histo, const double& cent)
{
double dnx, val;
dnx = fGFW->Calculate(corrconf, 0, kTRUE).real();
if (dnx == 0)
return;
if (!corrconf.pTDif) {
val = fGFW->Calculate(corrconf, 0, kFALSE).real() / dnx;
if (std::fabs(val) < 1) {
double meanPt = sum_pt / WeffEvent;
double deltaPt = meanPt - cfgFuncParas.hEvAvgMeanPt->GetBinContent(cfgFuncParas.hEvAvgMeanPt->FindBin(cent));
registry.fill(histo, deltaPt / meanPt, val, cent, dnx * WeffEvent);
}
return;
}
return;
}

template <DataType dt>
void fillFC(const GFW::CorrConfig& corrconf, const double& cent, const double& rndm)
{
Expand Down Expand Up @@ -702,6 +691,22 @@ struct FlowTask {
}
LOGF(info, "Loaded mean pT histogram from %s (%p)", cfgFuncParas.cfgDptDishEvAvgMeanPt.value.c_str(), (void*)cfgFuncParas.hEvAvgMeanPt);
}
if (cfgFuncParas.cfgDptDisEnable && cfgFuncParas.cfgDptDisSelectionSwitch > kNoDptCut) {
if (cfgFuncParas.cfgDptDisCutLow.value.empty() == false) {
cfgFuncParas.fDptDisCutLow = ccdb->getForTimeStamp<TH1D>(cfgFuncParas.cfgDptDisCutLow, timestamp);
if (cfgFuncParas.fDptDisCutLow == nullptr) {
LOGF(fatal, "Could not load dptDis low cut histogram from %s", cfgFuncParas.cfgDptDisCutLow.value.c_str());
}
LOGF(info, "Loaded dptDis low cut histogram from %s (%p)", cfgFuncParas.cfgDptDisCutLow.value.c_str(), (void*)cfgFuncParas.fDptDisCutLow);
}
if (cfgFuncParas.cfgDptDisCutHigh.value.empty() == false) {
cfgFuncParas.fDptDisCutHigh = ccdb->getForTimeStamp<TH1D>(cfgFuncParas.cfgDptDisCutHigh, timestamp);
if (cfgFuncParas.fDptDisCutHigh == nullptr) {
LOGF(fatal, "Could not load dptDis high cut histogram from %s", cfgFuncParas.cfgDptDisCutHigh.value.c_str());
}
LOGF(info, "Loaded dptDis high cut histogram from %s (%p)", cfgFuncParas.cfgDptDisCutHigh.value.c_str(), (void*)cfgFuncParas.fDptDisCutHigh);
}
}
correctionsLoaded = true;
}

Expand Down Expand Up @@ -1101,7 +1106,16 @@ struct FlowTask {
registry.fill(HIST("hTrackCorrection2d"), tracks.size(), nTracksCorrected);

if (cfgFuncParas.cfgDptDisEnable) {
fillDeltaPtvsCorr(corrconfigs.at(cfgFuncParas.cfgDptDisCorrConfigIndex), ptSum, weffEvent, HIST("hNormDeltaPt_Corr_X"), independent);
double meanPt = ptSum / weffEvent;
double deltaPt = meanPt - cfgFuncParas.hEvAvgMeanPt->GetBinContent(cfgFuncParas.hEvAvgMeanPt->FindBin(independent));
registry.fill(HIST("hNormDeltaPt_X"), meanPt, independent, weffEvent);
if (cfgFuncParas.cfgDptDisSelectionSwitch == kLowDptCut && deltaPt > cfgFuncParas.fDptDisCutLow->GetBinContent(cfgFuncParas.fDptDisCutLow->FindBin(independent))) {
// only keep low 10% dpt event
return;
} else if (cfgFuncParas.cfgDptDisSelectionSwitch == kHighDptCut && deltaPt < cfgFuncParas.fDptDisCutHigh->GetBinContent(cfgFuncParas.fDptDisCutHigh->FindBin(independent))) {
// only keep high 10% dpt event
return;
}
}

double weffEventDiffWithGap08 = weffEventWithinGap08 * weffEventWithinGap08 - weffEventSquareWithinGap08;
Expand Down
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