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[PWGDQ] Adding TProfile with cumulants weights + PI constants correctly (#8828)
1 parent 276f927 commit bfae9e3

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2 files changed

+27
-22
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‎PWGDQ/Core/HistogramsLibrary.cxx‎

Lines changed: 26 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -13,6 +13,7 @@
1313
//
1414
#include "PWGDQ/Core/HistogramsLibrary.h"
1515
#include "VarManager.h"
16+
#include "CommonConstants/MathConstants.h"
1617

1718
void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* histClass, const char* groupName, const char* subGroupName)
1819
{
@@ -275,6 +276,9 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
275276
hm->AddHistogram(histClass, "Run2_centrFT0C_Corr2REFetagap_ev", "Run2_centrFT0C_Corr2REFetagap_ev, --s--", true, 9, std::array<double, 10>{0.0, 5.0, 10.0, 20.0, 30.0, 40.0, 50.0, 60.0, 70.0, 80.0}.data(), VarManager::kCentFT0C, 250, std::array<double, 2>{-1.0, 1.0}.data(), VarManager::kCORR2REFetagap, 0, nullptr, -1, "", "", "", VarManager::kCORR2REFetagap, VarManager::kM11REFetagap);
276277
hm->AddHistogram(histClass, "Run2_centrFT0C_Corr4REF_ev", "Run2_centrFT0C_Corr4REF_ev, --s--", true, 9, std::array<double, 10>{0.0, 5.0, 10.0, 20.0, 30.0, 40.0, 50.0, 60.0, 70.0, 80.0}.data(), VarManager::kCentFT0C, 250, std::array<double, 2>{-1.0, 1.0}.data(), VarManager::kCORR4REF, 0, nullptr, -1, "", "", "", VarManager::kCORR4REF, VarManager::kM1111REF);
277278
hm->AddHistogram(histClass, "Run2_centrFT0C_Corr2Corr4REF_ev", "Run2_centrFT0C_Corr2Corr4REF_ev, --s--", true, 9, std::array<double, 10>{0.0, 5.0, 10.0, 20.0, 30.0, 40.0, 50.0, 60.0, 70.0, 80.0}.data(), VarManager::kCentFT0C, 250, std::array<double, 2>{-1.0, 1.0}.data(), VarManager::kCORR2CORR4REF, 0, nullptr, -1, "", "", "", VarManager::kCORR2CORR4REF, VarManager::kM11M1111REF);
279+
hm->AddHistogram(histClass, "centrFT0C_M11REF_ev", "", true, 100, 0.0, 100.0, VarManager::kCentFT0C, 1000, 0.0, 1000000.0, VarManager::kM11REF);
280+
hm->AddHistogram(histClass, "centrFT0C_M11etagap_ev", "", true, 100, 0.0, 100.0, VarManager::kCentFT0C, 1000, 0.0, 10000000.0, VarManager::kM11REFetagap);
281+
hm->AddHistogram(histClass, "centrFT0C_M1111REF_ev", "", true, 100, 0.0, 100.0, VarManager::kCentFT0C, 1000, 0.0, 100000000000000.0, VarManager::kM1111REF);
278282
if (subGroupStr.Contains("cross")) {
279283
hm->AddHistogram(histClass, "Q1ZNACXX_CentFT0C", "", false, 90, 0.0, 90.0, VarManager::kCentFT0C, 4000, -2, 2, VarManager::kQ1ZNACXX);
280284
hm->AddHistogram(histClass, "Q1ZNACYY_CentFT0C", "", false, 90, 0.0, 90.0, VarManager::kCentFT0C, 4000, -2, 2, VarManager::kQ1ZNACYY);
@@ -380,8 +384,8 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
380384
if (!groupStr.CompareTo("track")) {
381385
hm->AddHistogram(histClass, "Pt", "p_{T} distribution", false, 2000, 0.0, 20.0, VarManager::kPt);
382386
hm->AddHistogram(histClass, "Eta", "#eta distribution", false, 500, -5.0, 5.0, VarManager::kEta);
383-
hm->AddHistogram(histClass, "Phi", "#varphi distribution", false, 500, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
384-
hm->AddHistogram(histClass, "Phi_Pt", "#varphi distribution", false, 50, 0.0, 10.0, VarManager::kPt, 720, 0.0, TMath::TwoPi(), VarManager::kPhi);
387+
hm->AddHistogram(histClass, "Phi", "#varphi distribution", false, 500, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
388+
hm->AddHistogram(histClass, "Phi_Pt", "#varphi distribution", false, 50, 0.0, 10.0, VarManager::kPt, 720, 0.0, o2::constants::math::TwoPI, VarManager::kPhi);
385389
hm->AddHistogram(histClass, "IsPVcontrib_pt", "is PV contributor vs pt", false, 50, 0.0, 50.0, VarManager::kPt, 2, -0.5, 1.5, VarManager::kPVContributor);
386390
hm->AddHistogram(histClass, "IsPVcontrib_pt_prof", "is PV contributor vs pt", true, 50, 0.0, 50.0, VarManager::kPt, 2, -0.5, 1.5, VarManager::kPVContributor);
387391
if (subGroupStr.Contains("ambiguity") && !subGroupStr.Contains("muon")) {
@@ -393,10 +397,10 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
393397
if (subGroupStr.Contains("cent")) {
394398
hm->AddHistogram(histClass, "Pt_CentFT0C", "p_{T} distribution", false, 2000, 0.0, 20.0, VarManager::kPt, 20, 0.0, 100.0, VarManager::kCentFT0C);
395399
hm->AddHistogram(histClass, "Eta_CentFT0C", "#eta distribution", false, 500, -5.0, 5.0, VarManager::kEta, 20, 0.0, 100.0, VarManager::kCentFT0C);
396-
hm->AddHistogram(histClass, "Phi_CentFT0C", "#varphi distribution", false, 500, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi, 20, 0.0, 100.0, VarManager::kCentFT0C);
400+
hm->AddHistogram(histClass, "Phi_CentFT0C", "#varphi distribution", false, 500, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi, 20, 0.0, 100.0, VarManager::kCentFT0C);
397401
}
398402
if (subGroupStr.Contains("kine")) {
399-
hm->AddHistogram(histClass, "Phi_Eta", "#phi vs #eta distribution", false, 200, -5.0, 5.0, VarManager::kEta, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
403+
hm->AddHistogram(histClass, "Phi_Eta", "#phi vs #eta distribution", false, 200, -5.0, 5.0, VarManager::kEta, 200, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
400404
hm->AddHistogram(histClass, "Eta_Pt", "", false, 20, -1.0, 1.0, VarManager::kEta, 100, 0.0, 20.0, VarManager::kPt);
401405
hm->AddHistogram(histClass, "Eta_VtxZ", "", false, 100, -1.0, 1.0, VarManager::kEta, 300, -15.0, 15.0, VarManager::kVtxZ);
402406
hm->AddHistogram(histClass, "Px", "p_{x} distribution", false, 200, 0.0, 20.0, VarManager::kPx);
@@ -455,8 +459,8 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
455459
if (subGroupStr.Contains("tpc")) {
456460
hm->AddHistogram(histClass, "TPCncls", "Number of cluster in TPC", false, 160, -0.5, 159.5, VarManager::kTPCncls);
457461
hm->AddHistogram(histClass, "TPCncls_vsTimeFromSOR", "Number of cluster in TPC vs time from SOR", true, 10000, 0.0, 1000., VarManager::kTimeFromSOR, 160, -0.5, 159.5, VarManager::kTPCncls);
458-
hm->AddHistogram(histClass, "TPCncls_Phi", "Number of cluster in TPC vs #varphi", true, 720, 0.0, TMath::TwoPi(), VarManager::kPhi, 10, 0.0, 200.0, VarManager::kTPCncls);
459-
hm->AddHistogram(histClass, "TPCncls_PhiPt", "Number of cluster in TPC vs p_{T} and #varphi", true, 20, 0.0, 10.0, VarManager::kPt, 720, 0.0, TMath::TwoPi(), VarManager::kPhi, 10, 0.0, 200.0, VarManager::kTPCncls);
462+
hm->AddHistogram(histClass, "TPCncls_Phi", "Number of cluster in TPC vs #varphi", true, 720, 0.0, o2::constants::math::TwoPI, VarManager::kPhi, 10, 0.0, 200.0, VarManager::kTPCncls);
463+
hm->AddHistogram(histClass, "TPCncls_PhiPt", "Number of cluster in TPC vs p_{T} and #varphi", true, 20, 0.0, 10.0, VarManager::kPt, 720, 0.0, o2::constants::math::TwoPI, VarManager::kPhi, 10, 0.0, 200.0, VarManager::kTPCncls);
460464
hm->AddHistogram(histClass, "TPCnclsCR", "Number of crossed rows in TPC", false, 160, -0.5, 159.5, VarManager::kTPCnclsCR);
461465
hm->AddHistogram(histClass, "TPCncls_TPCnclsCR", "Number of TPC cluster vs Number of crossed rows in TPC", false, 160, -0.5, 159.5, VarManager::kTPCncls, 160, -0.5, 159.5, VarManager::kTPCnclsCR);
462466
hm->AddHistogram(histClass, "IsTPCrefit", "", false, 2, -0.5, 1.5, VarManager::kIsTPCrefit);
@@ -769,14 +773,14 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
769773
hm->AddHistogram(histClass, "MCHBitMap_vs_pt", "MCH vs pt", false, 1025, 0.0, 1025.0, VarManager::kMCHBitMap, 400, 0, 100, VarManager::kPt);
770774
hm->AddHistogram(histClass, "MuonTime", "", false, 100, -1.0, 1.0, VarManager::kMuonTime);
771775
hm->AddHistogram(histClass, "MuonTimeRes", "", false, 100, -1.0, 1.0, VarManager::kMuonTimeRes);
772-
hm->AddHistogram(histClass, "MuonDcaX_vs_phi", "", false, 2000, -20.0, 20.0, VarManager::kMuonDCAx, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
773-
hm->AddHistogram(histClass, "MuonDcaY_vs_phi", "", false, 2000, -20.0, 20.0, VarManager::kMuonDCAy, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
776+
hm->AddHistogram(histClass, "MuonDcaX_vs_phi", "", false, 2000, -20.0, 20.0, VarManager::kMuonDCAx, 200, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
777+
hm->AddHistogram(histClass, "MuonDcaY_vs_phi", "", false, 2000, -20.0, 20.0, VarManager::kMuonDCAy, 200, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
774778
hm->AddHistogram(histClass, "MuonDcaX_vs_eta", "", false, 2000, -20.0, 20.0, VarManager::kMuonDCAx, 500, -5.0, 5.0, VarManager::kEta);
775779
hm->AddHistogram(histClass, "MuonDcaY_vs_eta", "", false, 2000, -20.0, 20.0, VarManager::kMuonDCAy, 500, -5.0, 5.0, VarManager::kEta);
776780
} else {
777781
hm->AddHistogram(histClass, "Pt", "p_{T} distribution", false, 2000, 0.0, 20.0, VarManager::kPt);
778782
hm->AddHistogram(histClass, "Eta", "#eta distribution", false, 500, -5.0, 5.0, VarManager::kEta);
779-
hm->AddHistogram(histClass, "Phi", "#varphi distribution", false, 500, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
783+
hm->AddHistogram(histClass, "Phi", "#varphi distribution", false, 500, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
780784
hm->AddHistogram(histClass, "AmbiguityInBunch", "", false, 10, 0.0, 10., VarManager::kMuonNAssocsInBunch);
781785
hm->AddHistogram(histClass, "AmbiguityOutOfBunch", "", false, 10, 0.0, 10., VarManager::kMuonNAssocsOutOfBunch);
782786
hm->AddHistogram(histClass, "AmbiguityInBunch_pt", "in bunch collision ambiguity vs p_{T}", false, 50, 0.0, 10.0, VarManager::kPt, 10, 0., 10., VarManager::kMuonNAssocsInBunch);
@@ -799,7 +803,7 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
799803
if (subGroupStr.Contains("mc")) {
800804
hm->AddHistogram(histClass, "Pt_vs_PtMC", "pT vs MC pT", false, 200, 0.0, 20.0, VarManager::kPt, 200, 0.0, 20.0, VarManager::kMCPt);
801805
hm->AddHistogram(histClass, "Eta_vs_EtaMC", "#eta vs MC #eta", false, 50, -1.0, 1.0, VarManager::kEta, 50, -1.0, 1.0, VarManager::kMCEta);
802-
hm->AddHistogram(histClass, "Phi_vs_PhiMC", "#varphi vs MC #varphi", false, 50, 0.0, 2. * TMath::Pi(), VarManager::kPhi, 50, 0.0, 2. * TMath::Pi(), VarManager::kMCPhi);
806+
hm->AddHistogram(histClass, "Phi_vs_PhiMC", "#varphi vs MC #varphi", false, 50, 0.0, 2. * o2::constants::math::PI, VarManager::kPhi, 50, 0.0, 2. * o2::constants::math::PI, VarManager::kMCPhi);
803807
hm->AddHistogram(histClass, "TrackPDGcode", "PDG code of track", false, 10001, -5000, 5000, VarManager::kMCPdgCode);
804808
}
805809
if (subGroupStr.Contains("mcmother")) {
@@ -820,7 +824,7 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
820824
hm->AddHistogram(histClass, "Eta_Pt_lepton1", "", false, 100, -2.0, 2.0, VarManager::kEta1, 200, 0.0, 20.0, VarManager::kPt1);
821825
hm->AddHistogram(histClass, "Eta_Pt_lepton2", "", false, 100, -2.0, 2.0, VarManager::kEta2, 200, 0.0, 20.0, VarManager::kPt2);
822826
hm->AddHistogram(histClass, "Eta_Pt_Photon", "", false, 100, -2.0, 2.0, VarManager::kEta, 200, 0.0, 20.0, VarManager::kPt);
823-
hm->AddHistogram(histClass, "Phi_Eta", "#phi vs #eta distribution", false, 200, -5.0, 5.0, VarManager::kPairEta, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPairPhi);
827+
hm->AddHistogram(histClass, "Phi_Eta", "#phi vs #eta distribution", false, 200, -5.0, 5.0, VarManager::kPairEta, 200, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPairPhi);
824828
hm->AddHistogram(histClass, "Mass_Dilepton", "", false, 4500, 0.0, 4.5, VarManager::kPairMassDau);
825829
hm->AddHistogram(histClass, "Mass_Photon", "", false, 500, 0.0, 0.1, VarManager::kMassDau);
826830
hm->AddHistogram(histClass, "Mass_Dilepton_Mass_Photon", "", false, 500, 0.0, 5.0, VarManager::kPairMassDau, 500, 0.0, 5.0, VarManager::kMassDau);
@@ -842,7 +846,7 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
842846
hm->AddHistogram(histClass, "Eta_Pt_lepton2", "", false, 100, -2.0, 2.0, VarManager::kEta2, 200, 0.0, 20.0, VarManager::kPt2);
843847
hm->AddHistogram(histClass, "Mass", "", false, 500, 0.0, 5.0, VarManager::kMass);
844848
hm->AddHistogram(histClass, "Eta_Pt", "", false, 40, -2.0, 2.0, VarManager::kEta, 200, 0.0, 20.0, VarManager::kPt);
845-
hm->AddHistogram(histClass, "Phi_Eta", "#phi vs #eta distribution", false, 200, -5.0, 5.0, VarManager::kEta, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
849+
hm->AddHistogram(histClass, "Phi_Eta", "#phi vs #eta distribution", false, 200, -5.0, 5.0, VarManager::kEta, 200, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
846850
}
847851
if (!groupStr.CompareTo("mctruth_track")) {
848852
hm->AddHistogram(histClass, "PtMC", "MC pT", false, 200, 0.0, 20.0, VarManager::kMCPt);
@@ -887,12 +891,12 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
887891
if (subGroupStr.Contains("polarization")) {
888892
hm->AddHistogram(histClass, "cosThetaHE", "", false, 100, -1., 1., VarManager::kCosThetaHE);
889893
hm->AddHistogram(histClass, "cosThetaCS", "", false, 100, -1., 1., VarManager::kCosThetaCS);
890-
hm->AddHistogram(histClass, "PhiHE", "", false, 100, -TMath::Pi(), TMath::Pi(), VarManager::kPhiHE);
891-
hm->AddHistogram(histClass, "PhiCS", "", false, 100, -TMath::Pi(), TMath::Pi(), VarManager::kPhiCS);
894+
hm->AddHistogram(histClass, "PhiHE", "", false, 100, -o2::constants::math::PI, o2::constants::math::PI, VarManager::kPhiHE);
895+
hm->AddHistogram(histClass, "PhiCS", "", false, 100, -o2::constants::math::PI, o2::constants::math::PI, VarManager::kPhiCS);
892896
hm->AddHistogram(histClass, "Mass_Pt_cosThetaHE", "", false, 100, 1.0, 5.0, VarManager::kMass, 250, 0.0, 25.0, VarManager::kPt, 40, -1., 1., VarManager::kCosThetaHE);
893897
hm->AddHistogram(histClass, "Mass_Pt_cosThetaCS", "", false, 100, 1.0, 5.0, VarManager::kMass, 250, 0.0, 25.0, VarManager::kPt, 40, -1., 1., VarManager::kCosThetaCS);
894-
hm->AddHistogram(histClass, "Mass_Pt_PhiHE", "", false, 100, 1.0, 5.0, VarManager::kMass, 250, 0.0, 25.0, VarManager::kPt, 40, -TMath::Pi(), TMath::Pi(), VarManager::kPhiHE);
895-
hm->AddHistogram(histClass, "Mass_Pt_PhiCS", "", false, 100, 1.0, 5.0, VarManager::kMass, 250, 0.0, 25.0, VarManager::kPt, 40, -TMath::Pi(), TMath::Pi(), VarManager::kPhiCS);
898+
hm->AddHistogram(histClass, "Mass_Pt_PhiHE", "", false, 100, 1.0, 5.0, VarManager::kMass, 250, 0.0, 25.0, VarManager::kPt, 40, -o2::constants::math::PI, o2::constants::math::PI, VarManager::kPhiHE);
899+
hm->AddHistogram(histClass, "Mass_Pt_PhiCS", "", false, 100, 1.0, 5.0, VarManager::kMass, 250, 0.0, 25.0, VarManager::kPt, 40, -o2::constants::math::PI, o2::constants::math::PI, VarManager::kPhiCS);
896900
}
897901
if (subGroupStr.Contains("upsilon")) {
898902
hm->AddHistogram(histClass, "MassUpsilon_Pt", "", false, 500, 7.0, 12.0, VarManager::kMass, 400, 0.0, 40.0, VarManager::kPt);
@@ -1248,19 +1252,19 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
12481252
hm->AddHistogram(histClass, "DeltaPhiPair", "", false, 130, -6.5, 6.5, VarManager::kDeltaPhiPair);
12491253
}
12501254
if (subGroupStr.Contains("correlation-emu")) {
1251-
hm->AddHistogram(histClass, "DeltaPhiPair2", "", false, 600, -0.5 * TMath::Pi(), 1.5 * TMath::Pi(), VarManager::kDeltaPhiPair2);
1255+
hm->AddHistogram(histClass, "DeltaPhiPair2", "", false, 600, -o2::constants::math::PIHalf, 1.5 * o2::constants::math::PI, VarManager::kDeltaPhiPair2);
12521256
hm->AddHistogram(histClass, "DeltaEtaPair2", "", false, 350, 1.5, 5.0, VarManager::kDeltaEtaPair2);
1253-
hm->AddHistogram(histClass, "DeltaPhiPair2_DeltaEtaPair2", "", false, 600, -0.5 * TMath::Pi(), 1.5 * TMath::Pi(), VarManager::kDeltaPhiPair2, 350, 1.5, 5.0, VarManager::kDeltaEtaPair2);
1257+
hm->AddHistogram(histClass, "DeltaPhiPair2_DeltaEtaPair2", "", false, 600, -o2::constants::math::PIHalf, 1.5 * o2::constants::math::PI, VarManager::kDeltaPhiPair2, 350, 1.5, 5.0, VarManager::kDeltaEtaPair2);
12541258
}
12551259
if (subGroupStr.Contains("dielectrons")) {
12561260
if (subGroupStr.Contains("prefilter")) {
12571261
hm->AddHistogram(histClass, "MassLow_OpeningAngle", "", false, 150, 0., 0.15, VarManager::kMass, 80, 0., 0.8, VarManager::kOpeningAngle);
12581262
}
12591263
if (subGroupStr.Contains("phiv")) {
1260-
hm->AddHistogram(histClass, "Mass_Pt_PhiV", "", false, 20, 0.0, 0.2, VarManager::kMass, 100, 0.0, 10.0, VarManager::kPt, 100, 0.0, TMath::Pi(), VarManager::kPairPhiv);
1264+
hm->AddHistogram(histClass, "Mass_Pt_PhiV", "", false, 20, 0.0, 0.2, VarManager::kMass, 100, 0.0, 10.0, VarManager::kPt, 100, 0.0, o2::constants::math::PI, VarManager::kPairPhiv);
12611265
}
12621266
if (subGroupStr.Contains("double-phi-v")) {
1263-
hm->AddHistogram(histClass, "Mass_Pt_PhiV", "", false, 20, 0.0, 0.2, VarManager::kMass, 100, 0.0, 10.0, VarManager::kPt, 100, 0.0, TMath::Pi(), VarManager::kPairPhiv, "", "", "", -1, -1, true);
1267+
hm->AddHistogram(histClass, "Mass_Pt_PhiV", "", false, 20, 0.0, 0.2, VarManager::kMass, 100, 0.0, 10.0, VarManager::kPt, 100, 0.0, o2::constants::math::PI, VarManager::kPairPhiv, "", "", "", -1, -1, true);
12641268
}
12651269
if (subGroupStr.Contains("largemass-phi-v")) {
12661270
// binning for mee at large scales:
@@ -1287,7 +1291,7 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
12871291
// steps of size pi/100
12881292
double phiv_bins[101];
12891293
for (int i = 0; i <= 100; i++)
1290-
phiv_bins[i] = TMath::Pi() / 100. * i;
1294+
phiv_bins[i] = o2::constants::math::PI / 100. * i;
12911295
int nbins_phiv = sizeof(phiv_bins) / sizeof(*phiv_bins) - 1;
12921296

12931297
// 3D histo
@@ -1560,7 +1564,7 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
15601564
hm->AddHistogram(histClass, "Pt_Photon", "p_{T} distribution", false, 4500, 0.0, 4.5, VarManager::kPt);
15611565
hm->AddHistogram(histClass, "Eta", "#eta distribution", false, 500, -5.0, 5.0, VarManager::kEta);
15621566
hm->AddHistogram(histClass, "Eta_Pt", "", false, 100, -2.0, 2.0, VarManager::kEta, 200, 0.0, 20.0, VarManager::kPt);
1563-
hm->AddHistogram(histClass, "Phi", "#varphi distribution", false, 500, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
1567+
hm->AddHistogram(histClass, "Phi", "#varphi distribution", false, 500, -2. * o2::constants::math::PI, 2. * o2::constants::math::PI, VarManager::kPhi);
15641568
hm->AddHistogram(histClass, "Mass_Photon", "", false, 500, 0.0, 0.1, VarManager::kMassDau);
15651569
hm->AddHistogram(histClass, "Mass_Pt", "", false, 500, 0.0, 5.0, VarManager::kMassDau, 200, 0.0, 20.0, VarManager::kPt);
15661570
hm->AddHistogram(histClass, "Rapidity", "", false, 400, -4.0, 4.0, VarManager::kRap);

‎PWGDQ/Core/HistogramsLibrary.h‎

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#include <TString.h>
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#include "PWGDQ/Core/HistogramManager.h"
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#include "PWGDQ/Core/VarManager.h"
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#include "CommonConstants/MathConstants.h"
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namespace o2::aod
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{

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