Adding histograms for DCA studies (#3659)

Co-authored-by: Lucamicheletti93 <luca.mike93@gmail.com>

Author: lucamicheletti93

PWGDQ/Core/HistogramsLibrary.cxx

@@ -443,6 +443,10 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
       hm->AddHistogram(histClass, "MCHBitMap_vs_pt", "MCH vs pt", false, 1025, 0.0, 1025.0, VarManager::kMCHBitMap, 400, 0, 100, VarManager::kPt);
       hm->AddHistogram(histClass, "MuonTime", "", false, 100, -1.0, 1.0, VarManager::kMuonTime);
       hm->AddHistogram(histClass, "MuonTimeRes", "", false, 100, -1.0, 1.0, VarManager::kMuonTimeRes);
+      hm->AddHistogram(histClass, "MuonDcaX_vs_phi", "", false, 1000, -1.0, 1.0, VarManager::kMuonDCAx, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
+      hm->AddHistogram(histClass, "MuonDcaY_vs_phi", "", false, 1000, -1.0, 1.0, VarManager::kMuonDCAy, 200, -2. * TMath::Pi(), 2. * TMath::Pi(), VarManager::kPhi);
+      hm->AddHistogram(histClass, "MuonDcaX_vs_eta", "", false, 1000, -1.0, 1.0, VarManager::kMuonDCAx, 500, -5.0, 5.0, VarManager::kEta);
+      hm->AddHistogram(histClass, "MuonDcaY_vs_eta", "", false, 1000, -1.0, 1.0, VarManager::kMuonDCAy, 500, -5.0, 5.0, VarManager::kEta);
     }
     if (subGroupStr.Contains("muon-pdca")) {
       hm->AddHistogram(histClass, "p", "p", false, 200, 0.0, 20.0, VarManager::kP);