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[PWGDQ] Add histogram for A2 #16870

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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
3aeb13e
Merge branch 'master' into A2-PR
ypwangg Jun 26, 2026
413f61c
add comment
ypwangg Jun 27, 2026
9e47a5c
Merge branch 'AliceO2Group:master' into A2-PR
ypwangg Jun 27, 2026
080ae50
Merge branch 'A2-PR' of ssh://github.com/ypwangg/O2Physics into A2-PR
ypwangg Jun 27, 2026
f349051
Merge branch 'AliceO2Group:master' into A2-PR
ypwangg Jun 29, 2026
32dc2cf
Merge branch 'AliceO2Group:master' into A2-PR
ypwangg Jun 29, 2026
78b8745
changed the requirement to fill flow resolution
ypwangg Jun 29, 2026
6b37372
remove unused variable
ypwangg Jun 29, 2026
4aa6462
add histogram for A2 in dimuon
ypwangg Jun 30, 2026
d5832c1
Merge branch 'AliceO2Group:master' into A2-PR
ypwangg Jun 30, 2026
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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 @@ -2020,6 +2020,45 @@
hm->AddHistogram(histClass, "DY_y", "", false, 20, 2.0, 4.0, VarManager::kRap);
hm->AddHistogram(histClass, "DY_phi", "", false, 180, constants::math::PI, 2 * constants::math::PI, VarManager::kPhi);
}
if (subGroupStr.Contains("dimuon-a2")) {
int bins_A2[5] = {50, 20, 20, 6, 200};
double minBins_A2[5] = {2.0, 0.0, 2.5, 0.0, -20.0};
double maxBins_A2[5] = {4.0, 2.0, 4.0, 90.0, 20.0};
int bins_DeltaPhi[5] = {50, 20, 20, 6, 10};
double minBins_DeltaPhi[5] = {2.0, 0.0, 2.5, 0.0, 0};
double maxBins_DeltaPhi[5] = {4.0, 2.0, 4.0, 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);
}
}
} else if (subGroupStr.Contains("electronmuon")) {
hm->AddHistogram(histClass, "Mass", "", false, 750, 0.0, 30.0, VarManager::kMass);
hm->AddHistogram(histClass, "Pt", "", false, 120, 0.0, 30.0, VarManager::kPt);
Expand Down Expand Up @@ -2490,7 +2529,7 @@
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 @@ -2646,7 +2685,7 @@
}
}
if (isTHn) {
for (auto& v : hist->FindMember("vars")->value.GetArray()) {

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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 @@ -2709,7 +2748,7 @@

// 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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histClasses.push_back(v.GetString());
}
const char* title = hist.FindMember("title")->value.GetString();
Expand All @@ -2720,7 +2759,7 @@

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

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LOG(debug) << "iDim " << iDim << ": " << v.GetString();
vars[iDim++] = VarManager::fgVarNamesMap[v.GetString()];
}
Expand All @@ -2734,27 +2773,27 @@
xmin = new double[nDimensions];
xmax = new double[nDimensions];
int iDim = 0;
for (auto& v : hist.FindMember("nBins")->value.GetArray()) {

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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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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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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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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 All @@ -2765,7 +2804,7 @@
if (hist.HasMember("axLabels")) {
axLabels = new TString[hist.FindMember("axLabels")->value.GetArray().Size()];
int iDim = 0;
for (auto& v : hist.FindMember("axLabels")->value.GetArray()) {

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axLabels[iDim++] = v.GetString();
}
}
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