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[PWGDQ] Code development for coherent Jpsi A2 analysis #16698

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89cdbf9
Coherent Jpsi A2 definition using event plane at midrapidity, same ev…
ypwangg Jun 14, 2026
27f1969
fix include bug
ypwangg Jun 14, 2026
4c6b0ae
fix bugs
ypwangg Jun 16, 2026
fdf1701
Merge branch 'AliceO2Group:master' into A2-PR
ypwangg Jun 16, 2026
a9596f3
fix bug
ypwangg Jun 16, 2026
b7f9128
Please consider the following formatting changes
alibuild Jun 16, 2026
28db102
Merge pull request #8 from alibuild/alibot-cleanup-16698
ypwangg Jun 16, 2026
6c76cd4
remove local flow
ypwangg Jun 19, 2026
c6d03aa
discard code for Q vector correction in DQ framework
ypwangg Jun 19, 2026
265d10d
Merge branch 'AliceO2Group:master' into A2-PR
ypwangg Jun 19, 2026
36adc3d
removed hard code for q vector track selection
ypwangg Jun 20, 2026
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75 changes: 75 additions & 0 deletions PWGDQ/Core/CutsLibrary.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1593,6 +1593,34 @@
cut->AddCut(GetAnalysisCut("electronPID1shiftDown"));
return cut;
}
// -------------------------------------------------------------------------------------------------
//
// Q vector contributor cut
//
if (!nameStr.compare("selTPCCentral")) {
AnalysisCut* kineCut = new AnalysisCut("kineCut", "kine cut");
kineCut->AddCut(VarManager::kEta, -0.8, 0.8);
kineCut->AddCut(VarManager::kPt, 0.15, 5);

AnalysisCut* qualityCuts = new AnalysisCut("qualityCuts", "quality cuts");
qualityCuts->AddCut(VarManager::kTPCchi2, 0., 4.);
qualityCuts->AddCut(VarManager::kTPCnCRoverFindCls, 0.8, 1.);
qualityCuts->AddCut(VarManager::kIsITSibAny, 0.5, 1.5);
qualityCuts->AddCut(VarManager::kITSchi2, 0., 36.);

AnalysisCut* dcaCuts = new AnalysisCut("dcaCuts", "DCA cuts");
std::shared_ptr<TF1> f1dcaxyHigh = std::make_shared<TF1>("f1dcaxy", "[0]+[1]/pow(x,[2])", 0., 10.);
f1dcaxyHigh->SetParameters(0.0105, 0.035, 1.1);
std::shared_ptr<TF1> f1dcaxyLow = std::make_shared<TF1>("f1dcaxy_low", "[0]+[1]/pow(x,[2])", 0., 10.);
f1dcaxyLow->SetParameters(-0.0105, -0.035, 1.1);
dcaCuts->AddCut(VarManager::kTrackDCAxy, f1dcaxyLow, f1dcaxyHigh);
dcaCuts->AddCut(VarManager::kTrackDCAz, -2., 2.);

cut->AddCut(kineCut);
cut->AddCut(qualityCuts);
cut->AddCut(dcaCuts);
}

// -------------------------------------------------------------------------------------------------
//
// LMee cuts
Expand Down Expand Up @@ -3001,6 +3029,17 @@
return cut;
}

if (!nameStr.compare("jpsi_debug_TPCTOF3_rejBadTOF")) {
cut->AddCut(GetAnalysisCut("jpsiStandardKine5"));
cut->AddCut(GetAnalysisCut("electronStandardQualityTPCOnly3"));
cut->AddCut(GetAnalysisCut("SPDfirst"));
cut->AddCut(GetAnalysisCut("dcaCut1_ionut"));
cut->AddCut(GetAnalysisCut("pidJpsi_TPCpion0"));
cut->AddCut(GetAnalysisCut("pidJpsi_beta"));
cut->AddCut(GetAnalysisCut("pidJpsi_noTOF_prot"));
return cut;
}

// -------------------------------------------------------------------------------------------------
// lmee pair cuts

Expand Down Expand Up @@ -4141,6 +4180,15 @@
return cut;
}

if (!nameStr.compare("eventStandardSel8NoPileup")) {
cut->AddCut(VarManager::kVtxZ, -10.0, 10.0);
cut->AddCut(VarManager::kIsSel8, 0.5, 1.5);
cut->AddCut(VarManager::kIsNoSameBunch, 0.5, 1.5);
cut->AddCut(VarManager::kIsGoodZvtxFT0vsPV, 0.5, 1.5);
cut->AddCut(VarManager::kNoCollInTimeRangeStandard, 0.5, 1.5);
return cut;
}

if (!nameStr.compare("eventStandardSel8PbPbQualityCent90")) {
cut->AddCut(VarManager::kVtxZ, -10.0, 10.0);
cut->AddCut(VarManager::kIsSel8, 0.5, 1.5);
Expand Down Expand Up @@ -4597,6 +4645,12 @@
return cut;
}

if (!nameStr.compare("jpsiStandardKine5")) {
cut->AddCut(VarManager::kP, 1.0, 1000.0);
cut->AddCut(VarManager::kEta, -0.9, 0.9);
return cut;
}

if (!nameStr.compare("jpsiKineSkimmed")) {
cut->AddCut(VarManager::kPt, 0.7, 1000.0);
cut->AddCut(VarManager::kEta, -0.9, 0.9);
Expand Down Expand Up @@ -5080,6 +5134,12 @@
return cut;
}

if (!nameStr.compare("electronStandardQualityTPCOnly3")) {
cut->AddCut(VarManager::kTPCchi2, 0.0, 4.0);
cut->AddCut(VarManager::kTPCncls, 120, 161.);
return cut;
}

if (!nameStr.compare("NoelectronStandardQualityTPCOnly")) {
cut->AddCut(VarManager::kTPCchi2, 0.0, 4.0, true, VarManager::kTPCncls, 70, 161.);
return cut;
Expand Down Expand Up @@ -5298,6 +5358,21 @@
return cut;
}

if (!nameStr.compare("pidJpsi_TPCpion0")) {
cut->AddCut(VarManager::kTPCnSigmaPi, 4.0, 1000.0);
return cut;
}

if (!nameStr.compare("pidJpsi_noTOF_prot")) {
cut->AddCut(VarManager::kTPCnSigmaPr, 3.5, 1000.0, false, VarManager::kHasTOF, -0.5, 0.5);
return cut;
}

if (!nameStr.compare("pidJpsi_beta")) {
cut->AddCut(VarManager::kTOFbeta, 0.98, 1.02, false, VarManager::kHasTOF, 0.5, 1.5);
return cut;
}

// Magnus cuts ----------------------------------------------------------

if (!nameStr.compare("pidJpsi_magnus_ele1")) {
Expand Down Expand Up @@ -5909,7 +5984,7 @@
if (icase == 0) {
cut->AddCut(VarManager::kTPCnSigmaEl, -4., 4., false, VarManager::kPin, 0.0, 1e+10, false);
cut->AddCut(VarManager::kTPCnSigmaPi, -99., 2.5, true, VarManager::kPin, 0.0, 1e+10, false);
} else if (icase == 1 || icase == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
cut->AddCut(VarManager::kTPCnSigmaEl_Corr, -4., 4., false, VarManager::kPin, 0.0, 1e+10, false);
cut->AddCut(VarManager::kTPCnSigmaPi_Corr, -99., 2.5, true, VarManager::kPin, 0.0, 1e+10, false);
}
Expand Down
39 changes: 39 additions & 0 deletions PWGDQ/Core/HistogramsLibrary.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -1389,6 +1389,45 @@
hm->AddHistogram(histClass, "CosThetaStarMC", "", false, 100, -1.0, 1.0, VarManager::kMCCosThetaStar);
}
}
if (subGroupStr.Contains("flow-jpsi-ep")) {
int bins_A2[5] = {50, 20, 20, 9, 200};
double minBins_A2[5] = {2.0, 0.0, -1., 0.0, -20.0};
double maxBins_A2[5] = {4.0, 2.0, 1.0, 90.0, 20.0};
int bins_DeltaPhi[5] = {50, 20, 20, 9, 10};
double minBins_DeltaPhi[5] = {2.0, 0.0, -1., 0.0, 0};
double maxBins_DeltaPhi[5] = {4.0, 2.0, 1.0, 90.0, 3.14};
TString labels[5] = {"kMass", "kPt", "kRapidity", "kCentFT0C", "kA2EP"};
if (subGroupStr.Contains("tpc")) {
int varA2_TPC_PP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kA2EP_PP_TPC};
int varA2_TPC_RP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kA2EP_RP_TPC};
int varDeltaPhi_TPC_PP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kDeltaPhiPP_TPC};
int varDeltaPhi_TPC_RP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kDeltaPhiRP_TPC};
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_A2PP_TPC", "", 5, varA2_TPC_PP, bins_A2, minBins_A2, maxBins_A2, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_A2RP_TPC", "", 5, varA2_TPC_RP, bins_A2, minBins_A2, maxBins_A2, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_DeltaPhiPP_TPC", "", 5, varDeltaPhi_TPC_PP, bins_DeltaPhi, minBins_DeltaPhi, maxBins_DeltaPhi, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_DeltaPhiRP_TPC", "", 5, varDeltaPhi_TPC_RP, bins_DeltaPhi, minBins_DeltaPhi, maxBins_DeltaPhi, 0, -1, kTRUE);
}
if (subGroupStr.Contains("ft0c")) {
int varA2_FT0C_PP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kA2EP_PP_FT0C};
int varA2_FT0C_RP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kA2EP_RP_FT0C};
int varDeltaPhi_FT0C_PP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kDeltaPhiPP_FT0C};
int varDeltaPhi_FT0C_RP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kDeltaPhiRP_FT0C};
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_A2PP_FT0C", "", 5, varA2_FT0C_PP, bins_A2, minBins_A2, maxBins_A2, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_A2RP_FT0C", "", 5, varA2_FT0C_RP, bins_A2, minBins_A2, maxBins_A2, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_DeltaPhiPP_FT0C", "", 5, varDeltaPhi_FT0C_PP, bins_DeltaPhi, minBins_DeltaPhi, maxBins_DeltaPhi, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_DeltaPhiRP_FT0C", "", 5, varDeltaPhi_FT0C_RP, bins_DeltaPhi, minBins_DeltaPhi, maxBins_DeltaPhi, 0, -1, kTRUE);
}
if (subGroupStr.Contains("ft0a")) {
int varA2_FT0A_PP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kA2EP_PP_FT0A};
int varA2_FT0A_RP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kA2EP_RP_FT0A};
int varDeltaPhi_FT0A_PP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kDeltaPhiPP_FT0A};
int varDeltaPhi_FT0A_RP[5] = {VarManager::kMass, VarManager::kPt, VarManager::kRap, VarManager::kCentFT0C, VarManager::kDeltaPhiRP_FT0A};
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_A2PP_FT0A", "", 5, varA2_FT0A_PP, bins_A2, minBins_A2, maxBins_A2, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_A2RP_FT0A", "", 5, varA2_FT0A_RP, bins_A2, minBins_A2, maxBins_A2, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_DeltaPhiPP_FT0A", "", 5, varDeltaPhi_FT0A_PP, bins_DeltaPhi, minBins_DeltaPhi, maxBins_DeltaPhi, 0, -1, kTRUE);
hm->AddHistogram(histClass, "Mass_Pt_centrFT0C_DeltaPhiRP_FT0A", "", 5, varDeltaPhi_FT0A_RP, bins_DeltaPhi, minBins_DeltaPhi, maxBins_DeltaPhi, 0, -1, kTRUE);
}
}
if (subGroupStr.Contains("upsilon")) {
hm->AddHistogram(histClass, "MassUpsilon_Pt", "", false, 500, 7.0, 12.0, VarManager::kMass, 400, 0.0, 40.0, VarManager::kPt);
}
Expand Down Expand Up @@ -2451,7 +2490,7 @@
LOG(fatal) << "histClass field should be an array of strings, e.g. [class1, class2]";
return false;
}
for (auto& v : hist->FindMember("histClass")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (!v.IsString()) {
LOG(fatal) << "histClass field should be an array of strings, e.g. [class1, class2]";
return false;
Expand Down Expand Up @@ -2607,7 +2646,7 @@
}
}
if (isTHn) {
for (auto& v : hist->FindMember("vars")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
if (VarManager::fgVarNamesMap.find(v.GetString()) == VarManager::fgVarNamesMap.end()) {
LOG(fatal) << "Bad variable in vars (" << v.GetString() << ") specified for histogram";
return false;
Expand Down Expand Up @@ -2670,7 +2709,7 @@

// create an array of strings to store the different histogram classes
std::vector<const char*> histClasses;
for (auto& v : hist.FindMember("histClass")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
histClasses.push_back(v.GetString());
}
const char* title = hist.FindMember("title")->value.GetString();
Expand All @@ -2681,7 +2720,7 @@

int* vars = new int[nDimensions];
int iDim = 0;
for (auto& v : hist.FindMember("vars")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
LOG(debug) << "iDim " << iDim << ": " << v.GetString();
vars[iDim++] = VarManager::fgVarNamesMap[v.GetString()];
}
Expand All @@ -2695,27 +2734,27 @@
xmin = new double[nDimensions];
xmax = new double[nDimensions];
int iDim = 0;
for (auto& v : hist.FindMember("nBins")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
nBins[iDim++] = v.GetInt();
LOG(debug) << "nBins " << iDim << ": " << nBins[iDim - 1];
}
iDim = 0;
for (auto& v : hist.FindMember("xmin")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
xmin[iDim++] = v.GetDouble();
LOG(debug) << "xmin " << iDim << ": " << xmin[iDim - 1];
}
iDim = 0;
for (auto& v : hist.FindMember("xmax")->value.GetArray()) {

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[const-ref-in-for-loop] 

Use constant references for non-modified iterators in range-based for loops.
xmax[iDim++] = v.GetDouble();
LOG(debug) << "xmax " << iDim << ": " << xmax[iDim - 1];
}
} else {
int iDim = 0;
binLimits = new TArrayD[nDimensions];
for (auto& v : hist.FindMember("binLimits")->value.GetArray()) {

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Use constant references for non-modified iterators in range-based for loops.
double* lims = new double[v.GetArray().Size()];
int iElem = 0;
for (auto& lim : v.GetArray()) {

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lims[iElem++] = lim.GetDouble();
}
binLimits[iDim++] = TArrayD(v.GetArray().Size(), lims);
Expand Down
6 changes: 6 additions & 0 deletions PWGDQ/Core/VarManager.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -2484,6 +2484,12 @@ void VarManager::SetDefaultVarNames()
fgVarNamesMap["kDCATrackVtxProd"] = kDCATrackVtxProd;
fgVarNamesMap["kV2SP"] = kV2SP;
fgVarNamesMap["kV2EP"] = kV2EP;
fgVarNamesMap["kA2EP_PP_TPC"] = kA2EP_PP_TPC;
fgVarNamesMap["kA2EP_PP_FT0A"] = kA2EP_PP_FT0A;
fgVarNamesMap["kA2EP_PP_FT0C"] = kA2EP_PP_FT0C;
fgVarNamesMap["kA2EP_RP_TPC"] = kA2EP_RP_TPC;
fgVarNamesMap["kA2EP_RP_FT0A"] = kA2EP_RP_FT0A;
fgVarNamesMap["kA2EP_RP_FT0C"] = kA2EP_RP_FT0C;
fgVarNamesMap["kWV2SP"] = kWV2SP;
fgVarNamesMap["kWV2EP"] = kWV2EP;
fgVarNamesMap["kU2Q2"] = kU2Q2;
Expand Down
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