diff --git a/PWGJE/Tasks/jetFinderQA.cxx b/PWGJE/Tasks/jetFinderQA.cxx
index 6c5984cb424..c7c9e359a51 100644
--- a/PWGJE/Tasks/jetFinderQA.cxx
+++ b/PWGJE/Tasks/jetFinderQA.cxx
@@ -91,6 +91,7 @@ struct JetFinderQATask {
   Configurable<int> multCutCheck_analyseMBGapEvents{"multCutCheck_analyseMBGapEvents", 0, "flag to choose to reject min. bias gap events; -1: MBGap only, 0: skip MBGap events, 1: analyse all events"};
   Configurable<bool> doMultCutCheck{"doMultCutCheck", false, "decide to apply multCutCheck or not"};
   Configurable<bool> multCutCheck_applyRCTSelections{"multCutCheck_applyRCTSelections", true, "decide to apply RCT selections"};
+  Configurable<bool> multCutCheck_applyWeightCorrection{"multCutCheck_applyWeightCorrection", true, "decide to apply weight correction"};
 
   std::vector<bool> filledJetR_Both;
   std::vector<bool> filledJetR_Low;
@@ -434,12 +435,20 @@ struct JetFinderQATask {
       registry.add("h2_track_pt_track_sigma1overpt", "#sigma(1/#it{p}_{T}); #it{p}_{T,track} (GeV/#it{c})", {HistType::kTH2F, {{100, 0., 10.}, {10000, 0.0, 1.0}}});
       registry.add("h2_track_pt_high_track_sigma1overpt", "#sigma(1/#it{p}_{T}); #it{p}_{T,track} (GeV/#it{c})", {HistType::kTH2F, {{90, 10., 100.}, {10000, 0.0, 1.0}}});
 
+      registry.add("h_mccollision_processid", "mccollision process id;mccollision process id;entries", {HistType::kTH1D, {{200, 0.0, 200.0}}});
+
       registry.add("h_particle_pdgcode", "particle pdgcode;particle pdgcode;entries", {HistType::kTH1D, {{3000, 0.0, 3000.0}}});
-      registry.add("h_particle_genstatuscode", "particle gen status code;particle gen status code;entries", {HistType::kTH1D, {{210, 0.0, 210.0}}});
+      registry.add("h_particle_genstatuscode", "particle gen status code;particle gen status code;entries", {HistType::kTH1D, {{420, -210.0, 210.0}}});
       registry.add("h_particle_hepmcstatuscode", "particle hep mc status code;particle hep mc status code;entries", {HistType::kTH1D, {{210, 0.0, 210.0}}});
       registry.add("h_particle_process", "particle process;particle process;entries", {HistType::kTH1D, {{50, 0.0, 50.0}}});
       registry.add("h_particle_producedbygenerator", "particle producedByGenerator status;particle producedByGenerator status;entries", {HistType::kTH1D, {{2, 0.0, 2}}});
 
+      registry.add("h_particle_primary_pdgcode", "primary particle pdgcode;primary particle pdgcode;entries", {HistType::kTH1D, {{3000, 0.0, 3000.0}}});
+      registry.add("h_particle_primary_genstatuscode", "primary particle gen status code;primary particle gen status code;entries", {HistType::kTH1D, {{420, -210.0, 210.0}}});
+      registry.add("h_particle_primary_hepmcstatuscode", "primary particle hep mc status code;primary particle hep mc status code;entries", {HistType::kTH1D, {{210, 0.0, 210.0}}});
+      registry.add("h_particle_primary_process", "primary particle process;primary particle process;entries", {HistType::kTH1D, {{50, 0.0, 50.0}}});
+      registry.add("h_particle_primary_producedbygenerator", "primary particle producedByGenerator status;primary particle producedByGenerator status;entries", {HistType::kTH1D, {{2, 0.0, 2}}});
+
       registry.add("h_jet_pt", "jet pT;#it{p}_{T,jet} (GeV/#it{c}); counts", {HistType::kTH1F, {jetPtAxis}}, doSumw2);
       registry.add("h_jet_eta", "jet eta;#eta; counts", {HistType::kTH1F, {jetEtaAxis}}, doSumw2);
       registry.add("h_jet_phi", "jet phi;#phi; counts", {HistType::kTH1F, {phiAxis}}, doSumw2);
@@ -1483,12 +1492,13 @@ struct JetFinderQATask {
   PROCESS_SWITCH(JetFinderQATask, processOccupancyQA, "occupancy QA on jet derived data", false);
 
   void processQcMultCutCheck(soa::Filtered<soa::Join<aod::JetCollisions, aod::BkgChargedRhos, aod::JMcCollisionLbs>>::iterator const& collision,
-                             aod::JetMcCollisions const&,
+                             soa::Join<aod::JetMcCollisions, aod::JMcCollisionPIs> const&,
+                             //  soa::Join<aod::McCollisions, aod::HepMCXSections> const& aodMcCollisions,
                              soa::Join<aod::ChargedMCDetectorLevelJets, aod::ChargedMCDetectorLevelJetConstituents> const& mcdjets,
                              soa::Filtered<soa::Join<aod::JetTracks, aod::JTrackExtras, aod::JTrackPIs>> const& tracks,
                              soa::Filtered<aod::JetParticles> const& mcparticles)
   {
-    float eventWeight = collision.weight();
+    float eventWeight = multCutCheck_applyWeightCorrection ? collision.weight() : 1;
 
     bool hasJetAboveMultCut = false;
     for (auto const& mcdjet : mcdjets) {
@@ -1501,15 +1511,19 @@ struct JetFinderQATask {
     }
 
     bool fillHistograms = true;
-    bool isWeighted = true;
+    bool isWeighted = multCutCheck_applyWeightCorrection;
     if (!applyCollisionCuts_multCutCheck(collision, fillHistograms, isWeighted, eventWeight)) {
       return;
     }
     registry.fill(HIST("h_collisions_zvertex"), collision.posZ(), eventWeight);
 
-    if (collision.has_mcCollision()) { // the collision is fake and has no associated mc coll; skip as .mccollision() cannot be called
-      registry.fill(HIST("h2_mccollision_pthardfromweight_pthardfromhepmcxsection"), simPtRef / (std::pow(eventWeight, 1.0 / pTHatExponent)), collision.mcCollision().ptHard());
-      registry.fill(HIST("h2_mccollision_pthardfromweight_pthardfromhepmcxsection_weighted"), simPtRef / (std::pow(eventWeight, 1.0 / pTHatExponent)), collision.mcCollision().ptHard(), eventWeight);
+    if (collision.has_mcCollision()) { // the collision is not fake and has one associated mc coll; .mccollision() can be called
+      auto jetMcCollision = collision.mcCollision_as<soa::Join<aod::JetMcCollisions, aod::JMcCollisionPIs>>();
+      auto aodMcCollision = jetMcCollision.mcCollision_as<soa::Join<aod::McCollisions, aod::HepMCXSections>>();
+
+      registry.fill(HIST("h2_mccollision_pthardfromweight_pthardfromhepmcxsection"), simPtRef / (std::pow(collision.weight(), 1.0 / pTHatExponent)), jetMcCollision.ptHard());
+      registry.fill(HIST("h2_mccollision_pthardfromweight_pthardfromhepmcxsection_weighted"), simPtRef / (std::pow(collision.weight(), 1.0 / pTHatExponent)), jetMcCollision.ptHard(), eventWeight);
+      registry.fill(HIST("h_mccollision_processid"), aodMcCollision.processId(), eventWeight);
     } else {
       registry.fill(HIST("h_fakecollisions"), 0.5);
     }
@@ -1534,11 +1548,18 @@ struct JetFinderQATask {
     }
 
     for (auto const& mcparticle : mcparticles) {
-      registry.fill(HIST("h_particle_pdgcode"), mcparticle.pdgCode());
-      registry.fill(HIST("h_particle_genstatuscode"), mcparticle.getGenStatusCode());
-      registry.fill(HIST("h_particle_hepmcstatuscode"), mcparticle.getHepMCStatusCode());
-      registry.fill(HIST("h_particle_process"), mcparticle.getProcess());
-      registry.fill(HIST("h_particle_producedbygenerator"), mcparticle.producedByGenerator());
+      registry.fill(HIST("h_particle_pdgcode"), mcparticle.pdgCode(), eventWeight);
+      registry.fill(HIST("h_particle_genstatuscode"), mcparticle.getGenStatusCode(), eventWeight);
+      registry.fill(HIST("h_particle_hepmcstatuscode"), mcparticle.getHepMCStatusCode(), eventWeight);
+      registry.fill(HIST("h_particle_process"), mcparticle.getProcess(), eventWeight);
+      registry.fill(HIST("h_particle_producedbygenerator"), mcparticle.producedByGenerator(), eventWeight);
+      if (mcparticle.isPhysicalPrimary()) {
+        registry.fill(HIST("h_particle_primary_pdgcode"), mcparticle.pdgCode(), eventWeight);
+        registry.fill(HIST("h_particle_primary_genstatuscode"), mcparticle.getGenStatusCode(), eventWeight);
+        registry.fill(HIST("h_particle_primary_hepmcstatuscode"), mcparticle.getHepMCStatusCode(), eventWeight);
+        registry.fill(HIST("h_particle_primary_process"), mcparticle.getProcess(), eventWeight);
+        registry.fill(HIST("h_particle_primary_producedbygenerator"), mcparticle.producedByGenerator(), eventWeight);
+      }
     }
 
     for (auto const& mcdjet : mcdjets) {