[PWGLF] Add histograms for generated candidates coming from recoed event (#8621)

Author: romainschotter

PWGLF/Tasks/Strangeness/derivedlambdakzeroanalysis.cxx

@@ -668,6 +668,14 @@ struct derivedlambdakzeroanalysis {
       histos.add("h2dGenOmegaMinus", "h2dGenOmegaMinus", kTH2D, {axisCentrality, axisPt});
       histos.add("h2dGenOmegaPlus", "h2dGenOmegaPlus", kTH2D, {axisCentrality, axisPt});
 
+      histos.add("h2dGenK0ShortVsMultMC_RecoedEvt", "h2dGenK0ShortVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+      histos.add("h2dGenLambdaVsMultMC_RecoedEvt", "h2dGenLambdaVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+      histos.add("h2dGenAntiLambdaVsMultMC_RecoedEvt", "h2dGenAntiLambdaVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+      histos.add("h2dGenXiMinusVsMultMC_RecoedEvt", "h2dGenXiMinusVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+      histos.add("h2dGenXiPlusVsMultMC_RecoedEvt", "h2dGenXiPlusVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+      histos.add("h2dGenOmegaMinusVsMultMC_RecoedEvt", "h2dGenOmegaMinusVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+      histos.add("h2dGenOmegaPlusVsMultMC_RecoedEvt", "h2dGenOmegaPlusVsMultMC_RecoedEvt", kTH2D, {axisNch, axisPt});
+
       histos.add("h2dGenK0ShortVsMultMC", "h2dGenK0ShortVsMultMC", kTH2D, {axisNch, axisPt});
       histos.add("h2dGenLambdaVsMultMC", "h2dGenLambdaVsMultMC", kTH2D, {axisNch, axisPt});
       histos.add("h2dGenAntiLambdaVsMultMC", "h2dGenAntiLambdaVsMultMC", kTH2D, {axisNch, axisPt});
@@ -1750,6 +1758,16 @@ struct derivedlambdakzeroanalysis {
         if (maxOccupancy > 0 && collisionOccupancy > maxOccupancy) {
           continue;
         }
+
+        if (v0MC.pdgCode() == 310) {
+          histos.fill(HIST("h2dGenK0ShortVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
+        if (v0MC.pdgCode() == 3122) {
+          histos.fill(HIST("h2dGenLambdaVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
+        if (v0MC.pdgCode() == -3122) {
+          histos.fill(HIST("h2dGenAntiLambdaVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
       }
 
       if (v0MC.pdgCode() == 310) {
@@ -1796,6 +1814,19 @@ struct derivedlambdakzeroanalysis {
         if (maxOccupancy > 0 && collisionOccupancy > maxOccupancy) {
           continue;
         }
+
+        if (cascMC.pdgCode() == 3312) {
+          histos.fill(HIST("h2dGenXiMinusVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
+        if (cascMC.pdgCode() == -3312) {
+          histos.fill(HIST("h2dGenXiPlusVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
+        if (cascMC.pdgCode() == 3334) {
+          histos.fill(HIST("h2dGenOmegaMinusVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
+        if (cascMC.pdgCode() == -3334) {
+          histos.fill(HIST("h2dGenOmegaPlusVsMultMC_RecoedEvt"), mcCollision.multMCNParticlesEta05(), ptmc);
+        }
       }
 
       if (cascMC.pdgCode() == 3312) {