diff --git a/PWGEM/Dilepton/Core/DileptonMC.h b/PWGEM/Dilepton/Core/DileptonMC.h
index 83a56821628..c5e6a9e6c7d 100644
--- a/PWGEM/Dilepton/Core/DileptonMC.h
+++ b/PWGEM/Dilepton/Core/DileptonMC.h
@@ -525,10 +525,18 @@ struct DileptonMC {
         fRegistry.add(std::format("Pair/sm/NonPromptPi0/{0}hDeltaPtvsDCA", strSign), "#Delta p_{T,1}^{gen-rec} + #Delta p_{T,2}^{gen-rec} vs. DCA_{ee}", o2::framework::kTH2F, {axis_dca_narrow, axis_dpt}, true);
         fRegistry.add(std::format("Pair/sm/NonPromptPi0/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", o2::framework::kTH2F, {axis_dca_track1, axis_dca_track2}, true);
 
-        fRegistry.add(std::format("Pair/sm/PromptJPsi/{0}hDeltaPtvsDCA", strSign), "#Delta p_{T,1}^{gen-rec} + #Delta p_{T,2}^{gen-rec} vs. DCA_{ee}", o2::framework::kTH2F, {axis_dca_narrow, axis_dpt}, true);
-        fRegistry.add(std::format("Pair/sm/PromptJPsi/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", o2::framework::kTH2F, {axis_dca_track1, axis_dca_track2}, true);
-        fRegistry.add(std::format("Pair/sm/NonPromptJPsi/{0}hDeltaPtvsDCA", strSign), "#Delta p_{T,1}^{gen-rec} + #Delta p_{T,2}^{gen-rec} vs. DCA_{ee}", o2::framework::kTH2F, {axis_dca_narrow, axis_dpt}, true);
-        fRegistry.add(std::format("Pair/sm/NonPromptJPsi/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", o2::framework::kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/sm/Eta/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        // fRegistry.add(std::format("Pair/sm/EtaPrime/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        // fRegistry.add(std::format("Pair/sm/Rho/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/sm/Omega/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/sm/Omega2ll/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/sm/Phi/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/sm/Phi2ll/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+
+        fRegistry.add(std::format("Pair/sm/PromptJPsi/{0}hDeltaPtvsDCA", strSign), "#Delta p_{T,1}^{gen-rec} + #Delta p_{T,2}^{gen-rec} vs. DCA_{ee}", kTH2F, {axis_dca_narrow, axis_dpt}, true);
+        fRegistry.add(std::format("Pair/sm/PromptJPsi/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/sm/NonPromptJPsi/{0}hDeltaPtvsDCA", strSign), "#Delta p_{T,1}^{gen-rec} + #Delta p_{T,2}^{gen-rec} vs. DCA_{ee}", kTH2F, {axis_dca_narrow, axis_dpt}, true);
+        fRegistry.add(std::format("Pair/sm/NonPromptJPsi/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
       }
     }
 
@@ -536,6 +544,12 @@ struct DileptonMC {
     fRegistry.addClone("Pair/ccbar/c2l_c2l/uls/", "Pair/ccbar/c2l_c2l/lspp/");
     fRegistry.addClone("Pair/ccbar/c2l_c2l/uls/", "Pair/ccbar/c2l_c2l/lsmm/");
 
+    if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
+      for (const auto& strSign : pair_sign_types) {
+        fRegistry.add(std::format("Pair/ccbar/c2l_c2l/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+      }
+    }
+
     fRegistry.addClone("Pair/ccbar/c2l_c2l/", "Pair/bbbar/b2l_b2l/");
     fRegistry.addClone("Pair/ccbar/c2l_c2l/", "Pair/bbbar/b2c2l_b2c2l/");
     fRegistry.addClone("Pair/ccbar/c2l_c2l/", "Pair/bbbar/b2c2l_b2l_sameb/");
@@ -565,6 +579,15 @@ struct DileptonMC {
       }
     }
 
+    if constexpr (pairtype == o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDielectron) {
+      for (const auto& strSign : pair_sign_types) {
+        fRegistry.add(std::format("Pair/bbbar/b2l_b2l/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/bbbar/b2c2l_b2c2l/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/bbbar/b2c2l_b2l_sameb/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+        fRegistry.add(std::format("Pair/bbbar/b2c2l_b2l_diffb/{0}hDCAz1vsDCAz2", strSign), "DCA_{z,1} vs DCA_{z,2}", kTH2F, {axis_dca_track1, axis_dca_track2}, true);
+      }
+    }
+
     // for correlated bkg due to mis-identified hadrons, and true combinatorial bkg
     fRegistry.add("Pair/corr_bkg_lh/uls/hs", "rec. bkg", o2::framework::kTHnSparseD, {axis_mass, axis_pt, axis_y, axis_dphi_ee, axis_deta_ee, axis_cos_theta_pol, axis_phi_pol, axis_quadmom, axis_aco, axis_asym_pt, axis_dphi_e_ee, axis_dca}, true);
     fRegistry.addClone("Pair/corr_bkg_lh/uls/", "Pair/corr_bkg_lh/lspp/");