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[PWGCF] add two subevent method for pt-pt correlations #13787

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Merged
victor-gonzalez merged 4 commits into from
Nov 12, 2025
Merged

[PWGCF] add two subevent method for pt-pt correlations #13787

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59c5bc1
add two subevent method for pt-pt correlations
Luzhiyongg Nov 11, 2025
fd3f4b5
megalinter format
Luzhiyongg Nov 11, 2025
bf64982
remove unused parameters
Luzhiyongg Nov 11, 2025
f0869f7
modify task because of function para changed
Luzhiyongg Nov 11, 2025
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19 changes: 18 additions & 1 deletion PWGCF/Flow/Tasks/flowTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,9 @@ struct FlowTask {
O2_DEFINE_CONFIGURABLE(cfgCutPtMin, float, 0.2f, "Minimal pT for all tracks")
O2_DEFINE_CONFIGURABLE(cfgCutPtMax, float, 10.0f, "Maximal pT for all tracks")
O2_DEFINE_CONFIGURABLE(cfgCutEta, float, 0.8f, "Eta range for tracks")
O2_DEFINE_CONFIGURABLE(cfgEtaPtPt, float, 0.4, "eta cut for pt-pt correlations");
O2_DEFINE_CONFIGURABLE(cfgEtaPtPt, float, 0.4, "eta range for pt-pt correlations")
O2_DEFINE_CONFIGURABLE(cfgEtaGapPtPt, float, 0.2, "eta gap for pt-pt correlations, cfgEtaGapPtPt<|eta|<cfgEtaPtPt")
O2_DEFINE_CONFIGURABLE(cfgEtaGapPtPtEnabled, bool, false, "switch of subevent pt-pt correlations")
O2_DEFINE_CONFIGURABLE(cfgCutChi2prTPCcls, float, 2.5f, "max chi2 per TPC clusters")
O2_DEFINE_CONFIGURABLE(cfgCutTPCclu, float, 50.0f, "minimum TPC clusters")
O2_DEFINE_CONFIGURABLE(cfgCutTPCCrossedRows, float, 70.0f, "minimum TPC crossed rows")
Expand Down Expand Up @@ -508,6 +510,8 @@ struct FlowTask {
fFCpt->setUseCentralMoments(cfgUseCentralMoments);
fFCpt->setUseGapMethod(true);
fFCpt->initialise(axisIndependent, cfgMpar, gfwConfigs, cfgNbootstrap);
if (cfgEtaGapPtPtEnabled)
fFCpt->initialiseSubevent(axisIndependent, cfgMpar, cfgNbootstrap);
for (auto i = 0; i < gfwConfigs.GetSize(); ++i) {
corrconfigsPtVn.push_back(fGFW->GetCorrelatorConfig(gfwConfigs.GetCorrs()[i], gfwConfigs.GetHeads()[i], gfwConfigs.GetpTDifs()[i]));
}
Expand Down Expand Up @@ -642,6 +646,14 @@ struct FlowTask {
{
if (std::abs(track.eta()) < cfgEtaPtPt) {
(dt == kGen) ? fFCptgen->fill(1., track.pt()) : fFCpt->fill(weff, track.pt());
if (cfgEtaGapPtPtEnabled) {
if (track.eta() < -1. * cfgEtaGapPtPt) {
(dt == kGen) ? fFCptgen->fillSub1(1., track.pt()) : fFCpt->fillSub1(weff, track.pt());
}
if (track.eta() > cfgEtaGapPtPt) {
(dt == kGen) ? fFCptgen->fillSub2(1., track.pt()) : fFCpt->fillSub2(weff, track.pt());
}
}
}
}

Expand All @@ -651,6 +663,11 @@ struct FlowTask {
(dt == kGen) ? fFCptgen->calculateCorrelations() : fFCpt->calculateCorrelations();
(dt == kGen) ? fFCptgen->fillPtProfiles(centmult, rndm) : fFCpt->fillPtProfiles(centmult, rndm);
(dt == kGen) ? fFCptgen->fillCMProfiles(centmult, rndm) : fFCpt->fillCMProfiles(centmult, rndm);
if (cfgEtaGapPtPtEnabled) {
(dt == kGen) ? fFCptgen->calculateSubeventCorrelations() : fFCpt->calculateSubeventCorrelations();
(dt == kGen) ? fFCptgen->fillSubeventPtProfiles(centmult, rndm) : fFCpt->fillSubeventPtProfiles(centmult, rndm);
(dt == kGen) ? fFCptgen->fillCMSubeventProfiles(centmult, rndm) : fFCpt->fillCMSubeventProfiles(centmult, rndm);
}
for (uint l_ind = 0; l_ind < corrconfigsPtVn.size(); ++l_ind) {
if (!corrconfigsPtVn.at(l_ind).pTDif) {
auto dnx = fGFW->Calculate(corrconfigsPtVn.at(l_ind), 0, kTRUE).real();
Expand Down
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