Add J/psi resolution; re-write RC with Dummy instead of rc tracks

benchmarks/dvmp/analysis/vm_mass.cxx

@@ -99,19 +99,17 @@ int vm_mass(const std::string& config_name)
                   .Define("eta_sim", "p_vm_sim.eta()");
 
   // Define output histograms
-  auto h_im_rec =
-      d_im.Histo1D({"h_im_rec", ";m_{ll'} (GeV/c^{2});#", 100, -1.1, vm_mass + 5}, "mass_rec");
-  auto h_im_sim =
-      d_im.Histo1D({"h_im_sim", ";m_{ll'} (GeV/c^{2});#", 100, -1.1, vm_mass + 5}, "mass_sim");
+  auto h_im_rec = d_im.Histo1D({"h_im_rec", ";m_{ll'} (GeV/c^{2});#", (int)(vm_mass+0.5)*2*100, 0., 2.*(int)(vm_mass+0.5)}, "mass_rec");
+  auto h_im_sim = d_im.Histo1D({"h_im_sim", ";m_{ll'} (GeV/c^{2});#", (int)(vm_mass+0.5)*2*100, 3.0, 3.2}, "mass_sim");
 
-  auto h_pt_rec = d_im.Histo1D({"h_pt_rec", ";p_{T} (GeV/c);#", 400, 0., 40.}, "pt_rec");
-  auto h_pt_sim = d_im.Histo1D({"h_pt_sim", ";p_{T} (GeV/c);#", 400, 0., 40.}, "pt_sim");
+  auto h_pt_rec = d_im.Histo1D({"h_pt_rec", ";p_{T} (GeV/c);#", 150, 0., 15.}, "pt_rec");
+  auto h_pt_sim = d_im.Histo1D({"h_pt_sim", ";p_{T} (GeV/c);#", 150, 0., 15.}, "pt_sim");
 
   auto h_phi_rec = d_im.Histo1D({"h_phi_rec", ";#phi_{ll'};#", 90, -M_PI, M_PI}, "phi_rec");
   auto h_phi_sim = d_im.Histo1D({"h_phi_sim", ";#phi_{ll'};#", 90, -M_PI, M_PI}, "phi_sim");
 
-  auto h_eta_rec = d_im.Histo1D({"h_eta_rec", ";#eta_{ll'};#", 1000, -5., 5.}, "eta_rec");
-  auto h_eta_sim = d_im.Histo1D({"h_eta_sim", ";#eta_{ll'};#", 1000, -5., 5.}, "eta_sim");
+  auto h_eta_rec = d_im.Histo1D({"h_eta_rec", ";#eta_{ll'};#", 400, -2., 2.}, "eta_rec");
+  auto h_eta_sim = d_im.Histo1D({"h_eta_sim", ";#eta_{ll'};#", 400, -2., 2.}, "eta_sim");
 
   // Plot our histograms.
   // TODO: to start I'm explicitly plotting the histograms, but want to