[PWGDQ] Extended the masss range of mctruth_pair histograms to 15.0 GeV/c^2. (#12560)

Author: kpradhan-kshitish

PWGDQ/Core/HistogramsLibrary.cxx

@@ -915,12 +915,12 @@ void o2::aod::dqhistograms::DefineHistograms(HistogramManager* hm, const char* h
     hm->AddHistogram(histClass, "Rapidity", "", false, 400, -4.0, 4.0, VarManager::kRap);
   }
   if (!groupStr.CompareTo("mctruth_pair")) {
-    hm->AddHistogram(histClass, "Mass_Pt", "", false, 500, 0.0, 5.0, VarManager::kMass, 40, 0.0, 20.0, VarManager::kPt);
+    hm->AddHistogram(histClass, "Mass_Pt", "", false, 500, 0.0, 15.0, VarManager::kMass, 40, 0.0, 20.0, VarManager::kPt);
     hm->AddHistogram(histClass, "Pt", "", false, 200, 0.0, 20.0, VarManager::kPt);
     hm->AddHistogram(histClass, "Pt_Dilepton", "", false, 200, 0.0, 20.0, VarManager::kPairPtDau);
     hm->AddHistogram(histClass, "Eta_Pt_lepton1", "", false, 100, -2.0, 2.0, VarManager::kEta1, 200, 0.0, 20.0, VarManager::kPt1);
     hm->AddHistogram(histClass, "Eta_Pt_lepton2", "", false, 100, -2.0, 2.0, VarManager::kEta2, 200, 0.0, 20.0, VarManager::kPt2);
-    hm->AddHistogram(histClass, "Mass", "", false, 500, 0.0, 5.0, VarManager::kMass);
+    hm->AddHistogram(histClass, "Mass", "", false, 500, 0.0, 15.0, VarManager::kMass);
     hm->AddHistogram(histClass, "Eta_Pt", "", false, 40, -2.0, 2.0, VarManager::kEta, 200, 0.0, 20.0, VarManager::kPt);
     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);
     int varspTHE[3] = {VarManager::kMCPt, VarManager::kMCCosThetaHE, VarManager::kMCPhiHE};