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PWGEM/PhotonMeson: update histogram for true conversion points
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@dsekihat
dsekihat committed Jan 15, 2024
1 parent 3c7f675 commit 2c61d6d
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Showing 4 changed files with 22 additions and 25 deletions.
19 changes: 8 additions & 11 deletions PWGEM/PhotonMeson/Core/HistogramsLibrary.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -78,21 +78,18 @@ void o2::aod::emphotonhistograms::DefineHistograms(THashList* list, const char*
list->Add(new TH1F("hPt", "pT;p_{T} (GeV/c)", 2000, 0.0f, 20));
list->Add(new TH2F("hEtaPhi", "#eta vs. #varphi;#varphi (rad.);#eta", 180, 0, TMath::TwoPi(), 40, -2.0f, 2.0f));
list->Add(new TH2F("hRadius", "V0Radius; radius in Z (cm);radius in XY (cm)", 200, -100, 100, 200, 0.0f, 100.0f));
list->Add(new TH2F("hRadius_recalc", "V0Radius; radius in Z (cm);radius in XY (cm)", 200, -100, 100, 200, 0.0f, 100.0f));
list->Add(new TH1F("hCosPA", "V0CosPA;cosine pointing angle", 100, 0.99f, 1.0f));
list->Add(new TH1F("hPCA", "distance between 2 legs;PCA (cm)", 200, 0.0f, 2.0f));
list->Add(new TH2F("hPCA_Rxy", "distance between 2 legs vs. R_{xy};R_{xy} (cm);PCA (cm)", 200, 0.f, 100.f, 200, 0.0f, 2.0f));
list->Add(new TH2F("hDCAxyz", "DCA to PV;DCA_{xy} (cm);DCA_{z} (cm)", 200, -5.f, +5.f, 200, -5.f, +5.f));
list->Add(new TH2F("hAPplot", "AP plot;#alpha;q_{T} (GeV/c)", 200, -1.0f, +1.0f, 250, 0.0f, 0.25f));
list->Add(new TH2F("hMassGamma", "hMassGamma;R_{xy} (cm);m_{ee} (GeV/c^{2})", 200, 0.0f, 100.0f, 100, 0.0f, 0.1f));
list->Add(new TH2F("hMassGamma_recalc", "recalc. hMassGamma;R_{xy} (cm);m_{ee} (GeV/c^{2})", 200, 0.0f, 100.0f, 100, 0.0f, 0.1f));
list->Add(new TH2F("hGammaRxy", "conversion point in XY;V_{x} (cm);V_{y} (cm)", 400, -100.0f, 100.0f, 400, -100.0f, 100.0f));
list->Add(new TH2F("hGammaRxy_recalc", "recalc. conversion point in XY;V_{x} (cm);V_{y} (cm)", 400, -100.0f, 100.0f, 400, -100.0f, 100.0f));
list->Add(new TH2F("hKFChi2vsM", "KF chi2 vs. m_{ee};m_{ee} (GeV/c^{2});KF chi2/NDF", 100, 0.0f, 0.1f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsR", "KF chi2 vs. recalc. conversion point in XY;R_{xy} (cm);KF chi2/NDF", 200, 0.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsX", "KF chi2 vs. recalc. conversion point in X;X (cm);KF chi2/NDF", 200, -100.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsY", "KF chi2 vs. recalc. conversion point in Y;Y (cm);KF chi2/NDF", 200, -100.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsZ", "KF chi2 vs. recalc. conversion point in Z;Z (cm);KF chi2/NDF", 200, -100.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsR", "KF chi2 vs. conversion point in XY;R_{xy} (cm);KF chi2/NDF", 200, 0.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsX", "KF chi2 vs. conversion point in X;X (cm);KF chi2/NDF", 200, -100.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsY", "KF chi2 vs. conversion point in Y;Y (cm);KF chi2/NDF", 200, -100.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH2F("hKFChi2vsZ", "KF chi2 vs. conversion point in Z;Z (cm);KF chi2/NDF", 200, -100.0f, 100.0f, 100, 0.f, 100.0f));
list->Add(new TH1F("hNgamma", "Number of #gamma candidates per collision", 101, -0.5f, 100.5f));

if (TString(subGroup) == "mc") {
Expand All @@ -101,6 +98,10 @@ void o2::aod::emphotonhistograms::DefineHistograms(THashList* list, const char*

list->Add(new TH1F("hPt_Photon_Primary", "pT;p_{T} (GeV/c)", 2000, 0.0f, 20)); // for MC efficiency
list->Add(new TH2F("hEtaPhi_Photon_Primary", "#eta vs. #varphi;#varphi (rad.);#eta", 180, 0, TMath::TwoPi(), 40, -2.0f, 2.0f)); // for MC efficiency
list->Add(new TH2F("hXY_Photon_Primary", "X vs. Y of photon rec.;X (cm);Y (cm)", 400, -100.0f, +100, 400, -100, +100));
list->Add(new TH2F("hXY_Photon_Primary_MC", "X vs. Y of photon gen.;X (cm);Y (cm)", 400, -100.0f, +100, 400, -100, +100));
list->Add(new TH2F("hRZ_Photon_Primary", "R vs. Z of photon rec.;Z (cm);R_{xy} (cm)", 200, -100.0f, +100, 100, 0, 100));
list->Add(new TH2F("hRZ_Photon_Primary_MC", "R vs. Z of photon gen;Z (cm);R_{xy} (cm)", 200, -100.0f, +100, 100, 0, 100));

list->Add(new TH1F("hPt_Photon_FromWD", "pT;p_{T} (GeV/c)", 2000, 0.0f, 20)); // for MC feed down correction
list->Add(new TH2F("hEtaPhi_Photon_FromWD", "#eta vs. #varphi;#varphi (rad.);#eta", 180, 0, TMath::TwoPi(), 40, -2.0f, 2.0f)); // for MC feed down correction
Expand All @@ -114,10 +115,6 @@ void o2::aod::emphotonhistograms::DefineHistograms(THashList* list, const char*
list->Add(new TH2F("hConvPoint_diffY", "conversion point diff Y MC;Y_{MC} (cm);Y_{rec} - Y_{MC} (cm)", 200, -100, +100, 100, -50.0f, 50.0f));
list->Add(new TH2F("hConvPoint_diffZ", "conversion point diff Z MC;Z_{MC} (cm);Z_{rec} - Z_{MC} (cm)", 200, -100, +100, 100, -50.0f, 50.0f));

list->Add(new TH2F("hConvPoint_diffX_recalc", "conversion point diff X MC;X_{MC} (cm);X_{rec}^{recalc} - X_{MC} (cm)", 200, -100, +100, 100, -50.0f, 50.0f));
list->Add(new TH2F("hConvPoint_diffY_recalc", "conversion point diff Y MC;Y_{MC} (cm);Y_{rec}^{recalc} - Y_{MC} (cm)", 200, -100, +100, 100, -50.0f, 50.0f));
list->Add(new TH2F("hConvPoint_diffZ_recalc", "conversion point diff Z MC;Z_{MC} (cm);Z_{rec}^{recalc} - Z_{MC} (cm)", 200, -100, +100, 100, -50.0f, 50.0f));

list->Add(new TH2F("hPtGen_DeltaPtOverPtGen", "photon p_{T} resolution;p_{T}^{gen} (GeV/c);(p_{T}^{rec} - p_{T}^{gen})/p_{T}^{gen}", 1000, 0, 10, 400, -1.0f, 1.0f));
list->Add(new TH2F("hPtGen_DeltaEta", "photon #eta resolution;p_{T}^{gen} (GeV/c);#eta^{rec} - #eta^{gen}", 1000, 0, 10, 400, -1.0f, 1.0f));
list->Add(new TH2F("hPtGen_DeltaPhi", "photon #varphi resolution;p_{T}^{gen} (GeV/c);#varphi^{rec} - #varphi^{gen} (rad.)", 1000, 0, 10, 400, -1.0f, 1.0f));
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11 changes: 4 additions & 7 deletions PWGEM/PhotonMeson/Core/HistogramsLibrary.h
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Original file line number Diff line number Diff line change
Expand Up @@ -72,21 +72,18 @@ void FillHistClass(THashList* list, const char* subGroup, T const& obj)
reinterpret_cast<TH1F*>(list->FindObject("hPt"))->Fill(obj.pt());
reinterpret_cast<TH2F*>(list->FindObject("hEtaPhi"))->Fill(obj.phi(), obj.eta());
reinterpret_cast<TH2F*>(list->FindObject("hRadius"))->Fill(obj.vz(), obj.v0radius());
reinterpret_cast<TH2F*>(list->FindObject("hRadius_recalc"))->Fill(obj.recalculatedVtxZ(), obj.recalculatedVtxR());
reinterpret_cast<TH1F*>(list->FindObject("hCosPA"))->Fill(obj.cospa());
reinterpret_cast<TH1F*>(list->FindObject("hPCA"))->Fill(obj.pca());
reinterpret_cast<TH2F*>(list->FindObject("hPCA_Rxy"))->Fill(obj.v0radius(), obj.pca());
reinterpret_cast<TH2F*>(list->FindObject("hDCAxyz"))->Fill(obj.dcaXYv0topv(), obj.dcaZv0topv());
reinterpret_cast<TH2F*>(list->FindObject("hAPplot"))->Fill(obj.alpha(), obj.qtarm());
reinterpret_cast<TH2F*>(list->FindObject("hMassGamma"))->Fill(obj.v0radius(), obj.mGamma());
reinterpret_cast<TH2F*>(list->FindObject("hMassGamma_recalc"))->Fill(obj.recalculatedVtxR(), obj.mGamma());
reinterpret_cast<TH2F*>(list->FindObject("hGammaRxy"))->Fill(obj.vx(), obj.vy());
reinterpret_cast<TH2F*>(list->FindObject("hGammaRxy_recalc"))->Fill(obj.recalculatedVtxX(), obj.recalculatedVtxY());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsM"))->Fill(obj.mGamma(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsR"))->Fill(obj.recalculatedVtxR(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsX"))->Fill(obj.recalculatedVtxX(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsY"))->Fill(obj.recalculatedVtxY(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsZ"))->Fill(obj.recalculatedVtxZ(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsR"))->Fill(obj.v0radius(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsX"))->Fill(obj.vx(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsY"))->Fill(obj.vy(), obj.chiSquareNDF());
reinterpret_cast<TH2F*>(list->FindObject("hKFChi2vsZ"))->Fill(obj.vz(), obj.chiSquareNDF());
} else if constexpr (htype == EMHistType::kV0Leg) {
reinterpret_cast<TH1F*>(list->FindObject("hPt"))->Fill(obj.pt());
reinterpret_cast<TH1F*>(list->FindObject("hQoverPt"))->Fill(obj.sign() / obj.pt());
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2 changes: 1 addition & 1 deletion PWGEM/PhotonMeson/Tasks/pcmQC.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ using std::array;
using MyCollisions = soa::Join<aod::EMReducedEvents, aod::EMReducedEventsMult, aod::EMReducedEventsCent>;
using MyCollision = MyCollisions::iterator;

using MyV0Photons = soa::Join<aod::V0PhotonsKF, aod::V0Recalculation, aod::V0KFEMReducedEventIds>;
using MyV0Photons = soa::Join<aod::V0PhotonsKF, aod::V0KFEMReducedEventIds>;
using MyV0Photon = MyV0Photons::iterator;

struct PCMQC {
Expand Down
15 changes: 9 additions & 6 deletions PWGEM/PhotonMeson/Tasks/pcmQCMC.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ using std::array;
using MyCollisions = soa::Join<aod::EMReducedEvents, aod::EMReducedEventsMult, aod::EMReducedEventsCent, aod::EMReducedMCEventLabels>;
using MyCollision = MyCollisions::iterator;

using MyV0Photons = soa::Join<aod::V0PhotonsKF, aod::V0Recalculation, aod::V0KFEMReducedEventIds>;
using MyV0Photons = soa::Join<aod::V0PhotonsKF, aod::V0KFEMReducedEventIds>;
using MyV0Photon = MyV0Photons::iterator;

struct PCMQCMC {
Expand Down Expand Up @@ -181,11 +181,17 @@ struct PCMQCMC {
continue;
}
auto mcphoton = mcparticles.iteratorAt(photonid);
float rxy_rec = sqrt(v0.vx() * v0.vx() + v0.vy() * v0.vy());
float rxy_mc = sqrt(posmc.vx() * posmc.vx() + posmc.vy() * posmc.vy());

o2::aod::emphotonhistograms::FillHistClass<EMHistType::kV0>(list_v0_cut, "", v0);
if (IsPhysicalPrimary(mcphoton.emreducedmcevent(), mcphoton, mcparticles)) {
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hPt_Photon_Primary"))->Fill(v0.pt());
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hEtaPhi_Photon_Primary"))->Fill(v0.phi(), v0.eta());
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hXY_Photon_Primary"))->Fill(v0.vx(), v0.vy());
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hXY_Photon_Primary_MC"))->Fill(posmc.vx(), posmc.vy());
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hRZ_Photon_Primary"))->Fill(v0.vz(), rxy_rec);
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hRZ_Photon_Primary_MC"))->Fill(posmc.vz(), rxy_mc);

reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hPtGen_DeltaPtOverPtGen"))->Fill(mcphoton.pt(), (v0.pt() - mcphoton.pt()) / mcphoton.pt());
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hPtGen_DeltaEta"))->Fill(mcphoton.pt(), v0.eta() - mcphoton.eta());
Expand All @@ -201,8 +207,8 @@ struct PCMQCMC {
// mother_pdg = mp.pdgCode();
// }
// LOGF(info, "mcphoton.vx() = %f, mcphoton.vy() = %f, mcphoton.vz() = %f, mother_pdg = %d", mcphoton.vx(), mcphoton.vy(), mcphoton.vz(), mother_pdg);
float rxy = sqrt(mcphoton.vx() * mcphoton.vx() + mcphoton.vy() * mcphoton.vy());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hRZ_Photon_hs"))->Fill(mcphoton.vz(), rxy);
float rxy_photon_hs = sqrt(mcphoton.vx() * mcphoton.vx() + mcphoton.vy() * mcphoton.vy());
reinterpret_cast<TH2F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hRZ_Photon_hs"))->Fill(mcphoton.vz(), rxy_photon_hs);
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hPt_Photon_hs"))->Fill(v0.pt());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hEta_Photon_hs"))->Fill(v0.eta());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hPhi_Photon_hs"))->Fill(v0.phi());
Expand All @@ -211,9 +217,6 @@ struct PCMQCMC {
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hConvPoint_diffX"))->Fill(elemc.vx(), v0.vx() - elemc.vx());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hConvPoint_diffY"))->Fill(elemc.vy(), v0.vy() - elemc.vy());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hConvPoint_diffZ"))->Fill(elemc.vz(), v0.vz() - elemc.vz());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hConvPoint_diffX_recalc"))->Fill(elemc.vx(), v0.recalculatedVtxX() - elemc.vx());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hConvPoint_diffY_recalc"))->Fill(elemc.vy(), v0.recalculatedVtxY() - elemc.vy());
reinterpret_cast<TH1F*>(fMainList->FindObject("V0")->FindObject(cut.GetName())->FindObject("hConvPoint_diffZ_recalc"))->Fill(elemc.vz(), v0.recalculatedVtxZ() - elemc.vz());
nv0++;

for (auto& leg : {pos, ele}) {
Expand Down

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