fix double counting of id particles (#6336)

Author: ercolessi

PWGLF/Tasks/Nuspex/hadronnucleicorrelation.cxx

@@ -372,16 +372,16 @@ struct hadronnucleicorrelation {
 
       registry.add("hResPt_Proton", "; p_{T}(gen) [GeV/c]; p_{T}(reco) - p_{T}(gen) ", {HistType::kTH2F, {{100, 0.f, 10.f, "p_{T}(gen) GeV/c"}, {200, -1.f, 1.f, "p_{T}(reco) - p_{T}(gen) "}}});
       registry.add("hResPt_Deuteron", "; p_{T}(gen) [GeV/c]; p_{T}(reco) - p_{T}(gen) ", {HistType::kTH2F, {{100, 0.f, 10.f, "p_{T}(gen) GeV/c"}, {200, -1.f, 1.f, "p_{T}(reco) - p_{T}(gen) "}}});
-      registry.add("hResEta_Proton", "; #eta(gen); #eta(reco) - #eta(gen)  ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -1.f, 1.f, "#eta(reco) - #eta(gen) "}}});
-      registry.add("hResEta_Deuteron", "; #eta(gen); #eta(reco) - #eta(gen) ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -1.f, 1.f, "#eta(reco) - #eta(gen) "}}});
-      registry.add("hResPhi_Proton", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -1.f, 1.f, "#phi(reco) - #phi(gen)"}}});
-      registry.add("hResPhi_Deuteron", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -1.f, 1.f, "#phi(reco) - #phi(gen)"}}});
+      registry.add("hResEta_Proton", "; #eta(gen); #eta(reco) - #eta(gen)  ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -0.5f, 0.5f, "#eta(reco) - #eta(gen) "}}});
+      registry.add("hResEta_Deuteron", "; #eta(gen); #eta(reco) - #eta(gen) ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -0.5f, 0.5f, "#eta(reco) - #eta(gen) "}}});
+      registry.add("hResPhi_Proton", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -0.5f, 0.5f, "#phi(reco) - #phi(gen)"}}});
+      registry.add("hResPhi_Deuteron", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -0.5f, 0.5f, "#phi(reco) - #phi(gen)"}}});
       registry.add("hResPt_AntiProton", "; p_{T}(gen) [GeV/c]; p_{T}(reco) - p_{T}(gen) ", {HistType::kTH2F, {{100, 0.f, 10.f, "p_{T}(gen) GeV/c"}, {200, -1.f, 1.f, "p_{T}(reco) - p_{T}(gen) "}}});
       registry.add("hResPt_AntiDeuteron", "; p_{T}(gen) [GeV/c]; p_{T}(reco) - p_{T}(gen) ", {HistType::kTH2F, {{100, 0.f, 10.f, "p_{T}(gen) GeV/c"}, {200, -1.f, 1.f, "p_{T}(reco) - p_{T}(gen) "}}});
-      registry.add("hResEta_AntiProton", "; #eta(gen); #eta(reco) - #eta(gen)  ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -1.f, 1.f, "#eta(reco) - #eta(gen) "}}});
-      registry.add("hResEta_AntiDeuteron", "; #eta(gen); #eta(reco) - #eta(gen) ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -1.f, 1.f, "#eta(reco) - #eta(gen) "}}});
-      registry.add("hResPhi_AntiProton", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -1.f, 1.f, "#phi(reco) - #phi(gen)"}}});
-      registry.add("hResPhi_AntiDeuteron", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -1.f, 1.f, "#phi(reco) - #phi(gen)"}}});
+      registry.add("hResEta_AntiProton", "; #eta(gen); #eta(reco) - #eta(gen)  ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -0.5f, 0.5f, "#eta(reco) - #eta(gen) "}}});
+      registry.add("hResEta_AntiDeuteron", "; #eta(gen); #eta(reco) - #eta(gen) ", {HistType::kTH2F, {{100, -1.f, 1.f, "#eta(gen)"}, {200, -0.5f, 0.5f, "#eta(reco) - #eta(gen) "}}});
+      registry.add("hResPhi_AntiProton", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -0.5f, 0.5f, "#phi(reco) - #phi(gen)"}}});
+      registry.add("hResPhi_AntiDeuteron", "; #phi(gen); #phi(reco) - #phi(gen)", {HistType::kTH2F, {{100, 0.f, 2 * TMath::Pi(), "#phi(gen)"}, {200, -0.5f, 0.5f, "#phi(reco) - #phi(gen)"}}});
 
       registry.add("hDeltaPhiAntiDAntiP_GenAndRec_MC", "#Delta#varphi (Gen Vs Rec); #Delta#varphi (Gen); #Delta#varphi (Rec)", {HistType::kTH2F, {phiAxis, phiAxis}});
       registry.add("hDeltaEtaAntiDAntiP_GenAndRec_MC", "#Delta#eta (Gen Vs Rec); #Delta#eta (Gen); #Delta#eta (Rec)", {HistType::kTH2F, {etaAxis, etaAxis}});
@@ -667,6 +667,16 @@ struct hadronnucleicorrelation {
       if (TMath::Abs(track.tpcNSigmaDe()) < nsigmaTPC && TMath::Abs(track.tofNSigmaDe()) < nsigmaTOF && track.sign() < 0)
         isAntiDeTPCTOF = true;
 
+      if (!isPr && !isAntiPr && !isDeTPCTOF && !isAntiDeTPCTOF)
+        continue;
+
+      if (isPr && isDeTPCTOF) {
+        isDeTPCTOF = 0;
+      }
+      if (isAntiPr && isAntiDeTPCTOF) {
+        isAntiDeTPCTOF = 0;
+      }
+
       // Deuterons
       if (isAntiDeTPCTOF) {
         selectedtracks_antid[track.singleCollSelId()].push_back(std::make_shared<decltype(track)>(track));