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 // -*- C++ -*-
 #ifndef RIVET_ExptSmearingFunctions_HH
 #define RIVET_ExptSmearingFunctions_HH
 
 #include "Rivet/Tools/MomentumSmearingFunctions.hh"
 #include "Rivet/Tools/ParticleSmearingFunctions.hh"
 #include "Rivet/Tools/JetSmearingFunctions.hh"
 
 namespace Rivet {
 
 
   /// @defgroup smearing Detector smearing & efficiency functions
   ///
   /// A family of smearing functions must include the following names and return types:
   ///
   ///   ParticleEffFn <PARTICLE>_EFF_<FAMILY>_<IDCLASS>
   ///   ParticleSmearFn <PARTICLE>_SMEAR_<FAMILY>
   ///   ParticleEffFn TRK_EFF_<FAMILY>
   ///   ParticleSmearFn TRK_SMEAR_<FAMILY>
   ///   JetEffFn JET_BTAG_<FAMILY>_<TAGGER>
   ///   JetSmearFn JET_SMEAR_<FAMILY>
   ///   METSmearParamsFn MET_SMEARPARAMS_<FAMILY>
   ///   METSmearFn MET_SMEAR_<FAMILY>
   ///
   /// where @c <PARTICLE> is all of @c ELECTRON, @c MUON, @c PHOTON, and @c TAU,
   /// @c <IDCLASS> is all of @c LOOSE, @c MEDIUM, and @c TIGHT. The family name
   /// and tagger name are free (within the constraints of function naming. Providing
   /// a full set may require use of alias/wrapper functions and/or the predefined
   /// eff/smearing @c IDENTITY functions.
   ///
   /// @{
 
 
   /// @defgroup smearing_elec Experiment-specific electron efficiency and smearing functions
   /// @{
 
   /// ATLAS Run 1 electron reconstruction efficiency
   /// @todo Include reco eff (but no e/y discrimination) in forward region
   inline double ELECTRON_RECOEFF_ATLAS_RUN1(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
     if (e.abseta() > 2.5) return 0;
     if (e.pT() < 10*GeV) return 0;
     return (e.abseta() < 1.5) ? 0.95 : 0.85;
   }
 
   /// ATLAS Run 2 electron reco efficiency
   ///
   /// Based on https://arxiv.org/pdf/1902.04655.pdf Fig 2
   inline double ELECTRON_RECOEFF_ATLAS_RUN2(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
     const double et = e.Et();
     if (e.abseta() > 2.5 || e.Et() < 2*GeV) return 0;
     if (et > 25*GeV) return 0.97;
     if (et > 10*GeV) return 0.92 + (et/GeV-10)/15.*0.05;
     if (et >  6*GeV) return 0.85 + (et/GeV-6)/4.*0.07;
     if (et >  5*GeV) return 0.70 + (et/GeV-5)/1.*0.15;
     if (et >  2*GeV) return 0.00 + (et/GeV-2)/3.*0.70;
     return 0;
   }
 
 
   /// @brief ATLAS Run 2 'loose' electron reco+identification efficiency
   ///
   /// Values read from Fig 3 of ATL-PHYS-PUB-2015-041
   ///
   /// @todo What about faking by jets or non-electrons?
   inline double ELECTRON_EFF_ATLAS_RUN2_LOOSE(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
 
     // Manually symmetrised eta eff histogram
     const static vector<double> edges_eta = { 0.0,   0.1,   0.8,   1.37,  1.52,  2.01,  2.37,  2.47 };
     const static vector<double> effs_eta  = { 0.950, 0.965, 0.955, 0.885, 0.950, 0.935, 0.90 };
     // Et eff histogram (10-20 is a guess)
     const static vector<double> edges_et = { 0,   10,   20,   25,   30,   35,   40,    45,    50,   60,  80 };
     const static vector<double> effs_et  = { 0.0, 0.90, 0.91, 0.92, 0.94, 0.95, 0.955, 0.965, 0.97, 0.98, 0.98 };//Extra value extrapolated for overflow
 
     if (e.abseta() > 2.47) return 0.0; // no ID outside the tracker
 
     const int i_eta = binIndex(e.abseta(), edges_eta);
     const int i_et = binIndex(e.Et()/GeV, edges_et, true);
     const double eff = effs_et[i_et] * effs_eta[i_eta] / 0.95; //< norm factor as approximate double differential
     return min(eff, 1.0) * ELECTRON_RECOEFF_ATLAS_RUN2(e);
   }
 
   /// @brief Pretend that ATLAS Run 1 loose was the same as in Run 2
   inline double ELECTRON_EFF_ATLAS_RUN1_LOOSE(const Particle& e) {
     return ELECTRON_EFF_ATLAS_RUN2_LOOSE(e);
   }
 
 
   /// @brief ATLAS Run 1 'medium' electron reco+identification efficiency
   inline double ELECTRON_EFF_ATLAS_RUN1_MEDIUM(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
 
     const static vector<double> eta_edges_10 = {0.000, 0.049, 0.454, 1.107, 1.46, 1.790, 2.277, 2.500};
     const static vector<double> eta_vals_10  = {0.730, 0.757, 0.780, 0.771, 0.77, 0.777, 0.778};
 
     const static vector<double> eta_edges_15 = {0.000, 0.053, 0.456, 1.102, 1.463, 1.783, 2.263, 2.500};
     const static vector<double> eta_vals_15  = {0.780, 0.800, 0.819, 0.759, 0.749, 0.813, 0.829};
 
     const static vector<double> eta_edges_20 = {0.000, 0.065, 0.362, 0.719, 0.980, 1.289, 1.455, 1.681, 1.942, 2.239, 2.452, 2.500};
     const static vector<double> eta_vals_20  = {0.794, 0.806, 0.816, 0.806, 0.797, 0.774, 0.764, 0.788, 0.793, 0.806, 0.825};
 
     const static vector<double> eta_edges_25 = {0.000, 0.077, 0.338, 0.742, 1.004, 1.265, 1.467, 1.692, 1.940, 2.227, 2.452, 2.500};
     const static vector<double> eta_vals_25  = {0.833, 0.843, 0.853, 0.845, 0.839, 0.804, 0.790, 0.825, 0.830, 0.833, 0.839};
 
     const static vector<double> eta_edges_30 = {0.000, 0.077, 0.350, 0.707, 0.980, 1.289, 1.479, 1.681, 1.942, 2.239, 2.441, 2.500};
     const static vector<double> eta_vals_30  = {0.863, 0.872, 0.881, 0.874, 0.870, 0.824, 0.808, 0.847, 0.845, 0.840, 0.842};
 
     const static vector<double> eta_edges_35 = {0.000, 0.058, 0.344, 0.700, 1.009, 1.270, 1.458, 1.685, 1.935, 2.231, 2.468, 2.500};
     const static vector<double> eta_vals_35  = {0.878, 0.889, 0.901, 0.895, 0.893, 0.849, 0.835, 0.868, 0.863, 0.845, 0.832};
 
     const static vector<double> eta_edges_40 = {0.000, 0.047, 0.355, 0.699, 0.983, 1.280, 1.446, 1.694, 1.943, 2.227, 2.441, 2.500};
     const static vector<double> eta_vals_40  = {0.894, 0.901, 0.909, 0.905, 0.904, 0.875, 0.868, 0.889, 0.876, 0.848, 0.827};
 
     const static vector<double> eta_edges_45 = {0.000, 0.058, 0.356, 0.712, 0.997, 1.282, 1.459, 1.686, 1.935, 2.220, 2.444, 2.500};
     const static vector<double> eta_vals_45  = {0.900, 0.911, 0.923, 0.918, 0.917, 0.897, 0.891, 0.904, 0.894, 0.843, 0.796};
 
     const static vector<double> eta_edges_50 = {0.000, 0.059, 0.355, 0.711, 0.983, 1.280, 1.469, 1.682, 1.919, 2.227, 2.441, 2.500};
     const static vector<double> eta_vals_50  = {0.903, 0.913, 0.923, 0.922, 0.923, 0.903, 0.898, 0.908, 0.895, 0.831, 0.774};
 
     const static vector<double> eta_edges_60 = {0.000, 0.053, 0.351, 0.720, 1.006, 1.291, 1.469, 1.696, 1.946, 2.243, 2.455, 2.500};
     const static vector<double> eta_vals_60  = {0.903, 0.917, 0.928, 0.924, 0.927, 0.915, 0.911, 0.915, 0.899, 0.827, 0.760};
 
     const static vector<double> eta_edges_80 = {0.000, 0.053, 0.351, 0.720, 0.994, 1.292, 1.482, 1.708, 1.934, 2.220, 2.458, 2.500};
     const static vector<double> eta_vals_80  = {0.936, 0.942, 0.952, 0.956, 0.956, 0.934, 0.931, 0.944, 0.933, 0.940, 0.948};
 
     const static vector<double> et_edges = { 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 80 };
     const static vector< vector<double> > et_eta_edges = { eta_edges_10, eta_edges_15, eta_edges_20, eta_edges_25, eta_edges_30, eta_edges_35, eta_edges_40, eta_edges_45, eta_edges_50, eta_edges_60, eta_edges_80 };
     const static vector< vector<double> > et_eta_vals  = { eta_vals_10, eta_vals_15, eta_vals_20, eta_vals_25, eta_vals_30, eta_vals_35, eta_vals_40, eta_vals_45, eta_vals_50, eta_vals_60, eta_vals_80 };
 
     if (e.abseta() > 2.5 || e.Et() < 10*GeV) return 0.0;
     const int i_et = binIndex(e.Et()/GeV, et_edges, true);
     const int i_eta = binIndex(e.abseta(), et_eta_edges[i_et]);
     return et_eta_vals[i_et][i_eta] * ELECTRON_RECOEFF_ATLAS_RUN1(e);
   }
 
   /// @brief ATLAS Run 2 'medium' electron reco+identification efficiency
   ///
   /// ~1% increase over Run 1 informed by Fig 1 in https://cds.cern.ch/record/2157687/files/ATLAS-CONF-2016-024.pdf
   inline double ELECTRON_EFF_ATLAS_RUN2_MEDIUM(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
     return 1.01 * ELECTRON_EFF_ATLAS_RUN1_MEDIUM(e);
   }
 
 
   /// @brief ATLAS Run 1 'tight' electron reco+identification efficiency
   inline double ELECTRON_EFF_ATLAS_RUN1_TIGHT(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
 
     const static vector<double> eta_edges_10 = {0.000, 0.049, 0.459, 1.100, 1.461, 1.789, 2.270, 2.500};
     const static vector<double> eta_vals_10  = {0.581, 0.632, 0.668, 0.558, 0.548, 0.662, 0.690};
 
     const static vector<double> eta_edges_15 = {0.000, 0.053, 0.450, 1.096, 1.463, 1.783, 2.269, 2.500};
     const static vector<double> eta_vals_15 =  {0.630, 0.678, 0.714, 0.633, 0.616, 0.700, 0.733};
 
     const static vector<double> eta_edges_20 = {0.000, 0.065, 0.362, 0.719, 0.992, 1.277, 1.479, 1.692, 1.930, 2.227, 2.464, 2.500};
     const static vector<double> eta_vals_20 =  {0.653, 0.695, 0.735, 0.714, 0.688, 0.635, 0.625, 0.655, 0.680, 0.691, 0.674};
 
     const static vector<double> eta_edges_25 = {0.000, 0.077, 0.362, 0.719, 0.992, 1.300, 1.479, 1.692, 1.942, 2.227, 2.464, 2.500};
     const static vector<double> eta_vals_25 =  {0.692, 0.732, 0.768, 0.750, 0.726, 0.677, 0.667, 0.692, 0.710, 0.706, 0.679};
 
     const static vector<double> eta_edges_30 = {0.000, 0.053, 0.362, 0.719, 1.004, 1.277, 1.467, 1.681, 1.954, 2.239, 2.452, 2.500};
     const static vector<double> eta_vals_30 =  {0.724, 0.763, 0.804, 0.789, 0.762, 0.702, 0.690, 0.720, 0.731, 0.714, 0.681};
 
     const static vector<double> eta_edges_35 = {0.000, 0.044, 0.342, 0.711, 0.971, 1.280, 1.456, 1.683, 1.944, 2.218, 2.442, 2.500};
     const static vector<double> eta_vals_35 =  {0.736, 0.778, 0.824, 0.811, 0.784, 0.730, 0.718, 0.739, 0.743, 0.718, 0.678};
 
     const static vector<double> eta_edges_40 = {0.000, 0.047, 0.355, 0.699, 0.983, 1.268, 1.457, 1.671, 1.931, 2.204, 2.453, 2.500};
     const static vector<double> eta_vals_40 =  {0.741, 0.774, 0.823, 0.823, 0.802, 0.764, 0.756, 0.771, 0.771, 0.734, 0.684};
 
     const static vector<double> eta_edges_45 = {0.000, 0.056, 0.354, 0.711, 0.984, 1.280, 1.458, 1.684, 1.945, 2.207, 2.442, 2.500};
     const static vector<double> eta_vals_45 =  {0.758, 0.792, 0.841, 0.841, 0.823, 0.792, 0.786, 0.796, 0.794, 0.734, 0.663};
 
     const static vector<double> eta_edges_50 = {0.000, 0.059, 0.355, 0.699, 0.983, 1.268, 1.446, 1.682, 1.943, 2.216, 2.453, 2.500};
     const static vector<double> eta_vals_50 =  {0.771, 0.806, 0.855, 0.858, 0.843, 0.810, 0.800, 0.808, 0.802, 0.730, 0.653};
 
     const static vector<double> eta_edges_60 = {0.000, 0.050, 0.350, 0.707, 0.981, 1.278, 1.468, 1.694, 1.944, 2.242, 2.453, 2.500};
     const static vector<double> eta_vals_60 =  {0.773, 0.816, 0.866, 0.865, 0.853, 0.820, 0.812, 0.817, 0.804, 0.726, 0.645};
 
     const static vector<double> eta_edges_80 = {0.000, 0.051, 0.374, 0.720, 0.981, 1.279, 1.468, 1.707, 1.945, 2.207, 2.457, 2.500};
     const static vector<double> eta_vals_80 =  {0.819, 0.855, 0.899, 0.906, 0.900, 0.869, 0.865, 0.873, 0.869, 0.868, 0.859};
 
     const static vector<double> et_edges = { 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 80 };
     const static vector< vector<double> > et_eta_edges = { eta_edges_10, eta_edges_15, eta_edges_20, eta_edges_25, eta_edges_30, eta_edges_35, eta_edges_40, eta_edges_45, eta_edges_50, eta_edges_60, eta_edges_80 };
     const static vector< vector<double> > et_eta_vals  = { eta_vals_10, eta_vals_15, eta_vals_20, eta_vals_25, eta_vals_30, eta_vals_35, eta_vals_40, eta_vals_45, eta_vals_50, eta_vals_60, eta_vals_80 };
 
     if (e.abseta() > 2.5 || e.Et() < 10*GeV) return 0.0;
     const int i_et = binIndex(e.Et()/GeV, et_edges, true);
     const int i_eta = binIndex(e.abseta(), et_eta_edges[i_et]);
     return et_eta_vals[i_et][i_eta] * ELECTRON_RECOEFF_ATLAS_RUN1(e);
   }
 
   /// @brief ATLAS Run 2 'tight' electron reco+identification efficiency
   ///
   /// ~1% increase over Run 1 informed by Fig 1 in https://cds.cern.ch/record/2157687/files/ATLAS-CONF-2016-024.pdf
   inline double ELECTRON_EFF_ATLAS_RUN2_TIGHT(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
     const static vector<double> et_edges = { /* 10, 15, */ 20, 25, 30, 35, 40, 45, 50, 60, 80 };
     const static vector<double> et_effs = { 0.785, 0.805, 0.820, 0.830, 0.840, 0.850, 0.875, 0.910, 0.910 }; //Extra value extrapolated for overflow
     const static vector<double> eta_edges = {0.000, 0.051, 0.374, 0.720, 0.981, 1.279, 1.468, 1.707, 1.945, 2.207, 2.457, 2.500}; // from ET > 80 bin
     const static vector<double> eta_refs =    {0.819, 0.855, 0.899, 0.906, 0.900, 0.869, 0.865, 0.873, 0.869, 0.868, 0.859};
     if (e.abseta() > 2.5 || e.Et() < 20*GeV) return 0.0;
     const int i_et = binIndex(e.Et()/GeV, et_edges, true);
     const int i_eta = binIndex(e.abseta(), eta_edges);
     const double eff_et = et_effs[i_et]; //< integral eff
     // Scale to |eta| shape, following the ~85% efficient high-ET bin from Run 1
     const double eff = eff_et * (eta_refs[i_eta]/0.85) * ELECTRON_RECOEFF_ATLAS_RUN2(e);
     //return ELECTRON_IDEFF_ATLAS_RUN1_TIGHT(e);
     return eff;
   }
 
 
 
   /// ATLAS Run 1 electron reco smearing
   inline Particle ELECTRON_SMEAR_ATLAS_RUN1(const Particle& e) {
     static const vector<double> edges_eta = {0., 2.5, 3.};
     static const vector<double> edges_pt = {0., 0.1, 25.};
     static const vector<double> e2s = {0.000, 0.015, 0.005,
                                        0.005, 0.005, 0.005,
                                        0.107, 0.107, 0.107};
     static const vector<double> es = {0.00, 0.00, 0.05,
                                       0.05, 0.05, 0.05,
                                       2.08, 2.08, 2.08};
     static const vector<double> cs = {0.00, 0.00, 0.25,
                                       0.25, 0.25, 0.25,
                                       0.00, 0.00, 0.00};
 
     const int i_eta = binIndex(e.abseta(), edges_eta, true);
     const int i_pt = binIndex(e.pT()/GeV, edges_pt, true);
     const int i = i_eta*edges_pt.size() + i_pt;
 
     // Calculate absolute resolution in GeV
     const double c1 = sqr(e2s[i]), c2 = sqr(es[i]), c3 = sqr(cs[i]);
     const double resolution = sqrt(c1*e.E2() + c2*e.E() + c3) * GeV;
 
     // normal_distribution<> d(e.E(), resolution);
     // const double mass = e.mass2() > 0 ? e.mass() : 0; //< numerical carefulness...
     // const double smeared_E = max(d(gen), mass); //< can't let the energy go below the mass!
     // return Particle(e.pid(), FourMomentum::mkEtaPhiME(e.eta(), e.phi(), mass, smeared_E));
     return Particle(e.pid(), P4_SMEAR_E_GAUSS(e, resolution));
   }
 
 
   /// ATLAS Run 2 electron reco smearing
   ///
   /// @todo Currently just a copy of the Run 1 version: fix!
   inline Particle ELECTRON_SMEAR_ATLAS_RUN2(const Particle& e) {
     return ELECTRON_SMEAR_ATLAS_RUN1(e);
   }
 
 
   /// @todo Add charge flip efficiency?
 
 
 
   /// CMS Run 1 electron reconstruction efficiency
   inline double ELECTRON_EFF_CMS_RUN1(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
     if (e.abseta() > 2.5) return 0;
     if (e.pT() < 10*GeV) return 0;
     return (e.abseta() < 1.5) ? 0.95 : 0.85;
   }
   /// CMS Run 1 loose electron reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double ELECTRON_EFF_CMS_RUN1_LOOSE(const Particle& e) { return ELECTRON_EFF_CMS_RUN1(e); }
   /// CMS Run 1 medium electron reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double ELECTRON_EFF_CMS_RUN1_MEDIUM(const Particle& e) { return ELECTRON_EFF_CMS_RUN1(e); }
   /// CMS Run 1 tight electron reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double ELECTRON_EFF_CMS_RUN1_TIGHT(const Particle& e) { return ELECTRON_EFF_CMS_RUN1(e); }
 
 
   /// CMS Run 2 electron reco efficiency
   ///
   /// @todo Currently just a copy of Run 1: fix!
   inline double ELECTRON_EFF_CMS_RUN2(const Particle& e) {
     if (e.abspid() != PID::ELECTRON) return 0;
     return ELECTRON_EFF_CMS_RUN1(e);
   }
   /// CMS Run 2 loose electron reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double ELECTRON_EFF_CMS_RUN2_LOOSE(const Particle& e) { return ELECTRON_EFF_CMS_RUN2(e); }
   /// CMS Run 2 medium electron reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double ELECTRON_EFF_CMS_RUN2_MEDIUM(const Particle& e) { return ELECTRON_EFF_CMS_RUN2(e); }
   /// CMS Run 2 tight electron reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double ELECTRON_EFF_CMS_RUN2_TIGHT(const Particle& e) { return ELECTRON_EFF_CMS_RUN2(e); }
 
 
   /// @brief CMS electron energy smearing, preserving direction
   ///
   /// Calculate resolution
   /// for pT > 0.1 GeV, E resolution = |eta| < 0.5 -> sqrt(0.06^2 + pt^2 * 1.3e-3^2)
   ///                                  |eta| < 1.5 -> sqrt(0.10^2 + pt^2 * 1.7e-3^2)
   ///                                  |eta| < 2.5 -> sqrt(0.25^2 + pt^2 * 3.1e-3^2)
   inline Particle ELECTRON_SMEAR_CMS_RUN1(const Particle& e) {
     // Calculate absolute resolution in GeV from functional form
     double resolution = 0;
     const double abseta = e.abseta();
     if (e.pT() > 0.1*GeV && abseta < 2.5) { //< should be a given from efficiencies
       if (abseta < 0.5) {
         resolution = add_quad(0.06, 1.3e-3 * e.pT()/GeV) * GeV;
       } else if (abseta < 1.5) {
         resolution = add_quad(0.10, 1.7e-3 * e.pT()/GeV) * GeV;
       } else { // still |eta| < 2.5
         resolution = add_quad(0.25, 3.1e-3 * e.pT()/GeV) * GeV;
       }
     }
 
     // normal_distribution<> d(e.E(), resolution);
     // const double mass = e.mass2() > 0 ? e.mass() : 0; //< numerical carefulness...
     // const double smeared_E = max(d(gen), mass); //< can't let the energy go below the mass!
     // return Particle(e.pid(), FourMomentum::mkEtaPhiME(e.eta(), e.phi(), mass, smeared_E));
     return Particle(e.pid(), P4_SMEAR_E_GAUSS(e, resolution));
   }
 
   /// CMS Run 2 electron reco smearing
   ///
   /// @todo Currently just a copy of the Run 1 version: fix!
   inline Particle ELECTRON_SMEAR_CMS_RUN2(const Particle& e) {
     return ELECTRON_SMEAR_CMS_RUN1(e);
   }
 
   /// @}
 
 
 
   /// @defgroup smearing_photon Experiment-specific photon efficiency and smearing functions
   /// @{
 
   /// @brief ATLAS Run 2 photon reco efficiency
   ///
   /// Taken from converted photons, Fig 8, in arXiv:1606.01813
   inline double PHOTON_EFF_ATLAS_RUN1(const Particle& y) {
     if (y.abspid() != PID::PHOTON) return 0; ///< @todo Allow electron misID? What about jet misID?
 
     if (y.pT() < 10*GeV) return 0;
     if (inRange(y.abseta(), 1.37, 1.52) || y.abseta() > 2.37) return 0;
 
     static const vector<double> edges_eta = {0., 0.6, 1.37, 1.52, 1.81, 2.37};
     static const vector<double> edges_pt = {10., 15., 20., 25., 30., 35., 40., 45.,
                                             50., 60., 80., 100., 125., 150., 175., 250.};
     static const vector<double> effs = {0.53, 0.65, 0.73, 0.83, 0.86, 0.93, 0.94, 0.96,
                                         0.97, 0.98, 0.98, 0.98, 0.98, 0.98, 0.98, 0.98,//
                                         0.45, 0.57, 0.67, 0.74, 0.84, 0.87, 0.93, 0.94,
                                         0.95, 0.96, 0.97, 0.98, 0.98, 0.99, 0.99, 0.99,//
                                         0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00,
                                         0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00,//
                                         0.48, 0.56, 0.68, 0.76, 0.86, 0.90, 0.93, 0.95,
                                         0.96, 0.97, 0.98, 0.99, 0.99, 1.00, 1.00, 1.00,//
                                         0.50, 0.61, 0.74, 0.82, 0.88, 0.92, 0.94, 0.95,
                                         0.96, 0.97, 0.98, 0.98, 0.98, 0.98, 0.99, 0.99};
 
     const int i_eta = binIndex(y.abseta(), edges_eta);
     const int i_pt = binIndex(y.pT()/GeV, edges_pt, true);
     const int i = i_eta*edges_pt.size() + i_pt;
     const double eff = effs[i];
     return eff;
   }
   /// ATLAS Run 1 loose photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_ATLAS_RUN1_LOOSE(const Particle& y) { return PHOTON_EFF_ATLAS_RUN1(y); }
   /// ATLAS Run 1 medium photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_ATLAS_RUN1_MEDIUM(const Particle& y) { return PHOTON_EFF_ATLAS_RUN1(y); }
   /// ATLAS Run 1 tight photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_ATLAS_RUN1_TIGHT(const Particle& y) { return PHOTON_EFF_ATLAS_RUN1(y); }
 
 
   /// @brief ATLAS Run 2 photon reco efficiency
   ///
   /// Taken from converted photons, Fig 6, in ATL-PHYS-PUB-2016-014
   inline double PHOTON_EFF_ATLAS_RUN2(const Particle& y) {
     if (y.abspid() != PID::PHOTON) return 0; ///< @todo Allow electron misID? What about jet misID?
 
     if (y.pT() < 10*GeV) return 0;
     if (inRange(y.abseta(), 1.37, 1.52) || y.abseta() > 2.37) return 0;
 
     static const vector<double> edges_eta = {0., 0.6, 1.37, 1.52, 1.81, 2.37};
     static const vector<double> edges_pt = {10., 15., 20., 25., 30., 35., 40., 45.,
                                             50., 60., 80., 100., 125., 150., 175., 250.};
     static const vector<double> effs = {0.55, 0.70, 0.85, 0.89, 0.93, 0.95, 0.96, 0.96,
                                         0.97, 0.97, 0.98, 0.97, 0.97, 0.97, 0.97, 0.97,//
                                         0.47, 0.66, 0.79, 0.86, 0.89, 0.94, 0.96, 0.97,
                                         0.97, 0.98, 0.97, 0.98, 0.98, 0.98, 0.98, 0.98,//
                                         0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00,
                                         0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00,//
                                         0.54, 0.71, 0.84, 0.88, 0.92, 0.93, 0.94, 0.95,
                                         0.96, 0.96, 0.96, 0.96, 0.96, 0.96, 0.96, 0.96,//
                                         0.61, 0.74, 0.83, 0.88, 0.91, 0.94, 0.95, 0.96,
                                         0.97, 0.98, 0.98, 0.98, 0.98, 0.98, 0.98, 0.98};
 
     const int i_eta = binIndex(y.abseta(), edges_eta);
     const int i_pt = binIndex(y.pT()/GeV, edges_pt, true);
     const int i = i_eta*edges_pt.size() + i_pt;
     const double eff = effs[i];
     return eff;
   }
   /// ATLAS Run 2 loose photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_ATLAS_RUN2_LOOSE(const Particle& y) { return PHOTON_EFF_ATLAS_RUN2(y); }
   /// ATLAS Run 2 medium photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_ATLAS_RUN2_MEDIUM(const Particle& y) { return PHOTON_EFF_ATLAS_RUN2(y); }
   /// ATLAS Run 2 tight photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_ATLAS_RUN2_TIGHT(const Particle& y) { return PHOTON_EFF_ATLAS_RUN2(y); }
 
 
   /// CMS Run 1 photon reco efficiency
   ///
   /// @todo Currently from Delphes
   inline double PHOTON_EFF_CMS_RUN1(const Particle& y) {
     if (y.abspid() != PID::PHOTON) return 0; ///< @todo Allow electron misID? What about jet misID?
     if (y.pT() < 10*GeV || y.abseta() > 2.5) return 0;
     return (y.abseta() < 1.5) ? 0.95 : 0.85;
   }
   /// CMS Run 1 loose photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_CMS_RUN1_LOOSE(const Particle& y) { return PHOTON_EFF_CMS_RUN1(y); }
   /// CMS Run 1 medium photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_CMS_RUN1_MEDIUM(const Particle& y) { return PHOTON_EFF_CMS_RUN1(y); }
   /// CMS Run 1 tight photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_CMS_RUN1_TIGHT(const Particle& y) { return PHOTON_EFF_CMS_RUN1(y); }
 
 
   /// CMS Run 2 photon reco efficiency
   ///
   /// @todo Currently just a copy of Run 1: fix!
   inline double PHOTON_EFF_CMS_RUN2(const Particle& y) {
     if (y.abspid() != PID::PHOTON) return 0; ///< @todo Allow electron misID? What about jet misID?
     return PHOTON_EFF_CMS_RUN1(y);
   }
   /// CMS Run 2 loose photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_CMS_RUN2_LOOSE(const Particle& y) { return PHOTON_EFF_CMS_RUN2(y); }
   /// CMS Run 2 medium photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_CMS_RUN2_MEDIUM(const Particle& y) { return PHOTON_EFF_CMS_RUN2(y); }
   /// CMS Run 2 tight photon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double PHOTON_EFF_CMS_RUN2_TIGHT(const Particle& y) { return PHOTON_EFF_CMS_RUN2(y); }
 
 
   /// @todo Use real photon smearing
   inline Particle PHOTON_SMEAR_ATLAS_RUN1(const Particle& y) { return y; }
   inline Particle PHOTON_SMEAR_ATLAS_RUN2(const Particle& y) { return y; }
   inline Particle PHOTON_SMEAR_CMS_RUN1(const Particle& y) { return y; }
   inline Particle PHOTON_SMEAR_CMS_RUN2(const Particle& y) { return y; }
 
   /// @}
 
 
 
   /// @defgroup smearing_muon Experiment-specific muon efficiency and smearing functions
   /// @{
 
   /// ATLAS Run 1 muon reco efficiency
   inline double MUON_EFF_ATLAS_RUN1(const Particle& m) {
     if (m.abspid() != PID::MUON) return 0;
     if (m.abseta() > 2.7) return 0;
     if (m.pT() < 10*GeV) return 0;
     return (m.abseta() < 1.5) ? 0.95 : 0.85;
   }
   /// ATLAS Run 1 loose muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_ATLAS_RUN1_LOOSE(const Particle& m) { return MUON_EFF_ATLAS_RUN1(m); }
   /// ATLAS Run 1 medium muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_ATLAS_RUN1_MEDIUM(const Particle& m) { return MUON_EFF_ATLAS_RUN1(m); }
   /// ATLAS Run 1 tight muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_ATLAS_RUN1_TIGHT(const Particle& m) { return MUON_EFF_ATLAS_RUN1(m); }
 
 
   /// ATLAS Run 2 muon reco efficiency
   ///
   /// From https://arxiv.org/pdf/1603.05598.pdf , Fig3 top
   inline double MUON_RECOEFF_ATLAS_RUN2(const Particle& m) {
     if (m.abspid() != PID::MUON) return 0;
     if (m.abseta() > 2.5) return 0;
     if (m.abseta() < 0.1) return 0.61;
     // if (m.pT() < 10*GeV) return 0;
     return (m.abseta() < 1) ? 0.98 : 0.99;
   }
 
   /// @brief ATLAS Run 2 muon reco+ID efficiency
   ///
   /// For medium ID, from Fig 3 of
   /// https://cds.cern.ch/record/2047831/files/ATL-PHYS-PUB-2015-037.pdf
   inline double MUON_EFF_ATLAS_RUN2(const Particle& m) {
     if (m.abspid() != PID::MUON) return 0;
     if (m.abseta() > 2.7) return 0;
     static const vector<double> edges_pt = {0., 3.5, 4., 5., 6., 7., 8., 10.};
     static const vector<double> effs = {0.00, 0.76, 0.94, 0.97, 0.98, 0.98, 0.98, 0.99};
     const int i_pt = binIndex(m.pT()/GeV, edges_pt, true);
     const double eff = effs[i_pt] * MUON_RECOEFF_ATLAS_RUN2(m);
     return eff;
   }
   /// ATLAS Run 2 loose muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_ATLAS_RUN2_LOOSE(const Particle& m) { return MUON_EFF_ATLAS_RUN2(m); }
   /// ATLAS Run 2 medium muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_ATLAS_RUN2_MEDIUM(const Particle& m) { return MUON_EFF_ATLAS_RUN2(m); }
   /// ATLAS Run 2 tight muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_ATLAS_RUN2_TIGHT(const Particle& m) { return MUON_EFF_ATLAS_RUN2(m); }
 
 
   /// ATLAS Run 1 muon reco smearing
   inline Particle MUON_SMEAR_ATLAS_RUN1(const Particle& m) {
     static const vector<double> edges_eta = {0, 1.5, 2.5};
     static const vector<double> edges_pt = {0, 0.1, 1.0, 10., 200.};
     static const vector<double> res = {0., 0.03, 0.02, 0.03, 0.05,
                                        0., 0.04, 0.03, 0.04, 0.05};
 
     const int i_eta = binIndex(m.abseta(), edges_eta);
     const int i_pt = binIndex(m.pT()/GeV, edges_pt, true);
     const int i = i_eta*edges_pt.size() + i_pt;
 
     const double resolution = res[i];
 
     // Smear by a Gaussian centered on the current pT, with width given by the resolution
     // normal_distribution<> d(m.pT(), resolution*m.pT());
     // const double smeared_pt = max(d(gen), 0.);
     // const double mass = m.mass2() > 0 ? m.mass() : 0; //< numerical carefulness...
     // return Particle(m.pid(), FourMomentum::mkEtaPhiMPt(m.eta(), m.phi(), mass, smeared_pt));
     return Particle(m.pid(), P4_SMEAR_PT_GAUSS(m, resolution*m.pT()));
   }
 
   /// ATLAS Run 2 muon reco smearing
   ///
   /// From https://arxiv.org/abs/1603.05598 , eq (10) and Fig 12
   inline Particle MUON_SMEAR_ATLAS_RUN2(const Particle& m) {
     double mres_pt = 0.015;
     if (m.pT() > 50*GeV) mres_pt = 0.014 + 0.01*(m.pT()/GeV-50)/50;
     if (m.pT() > 100*GeV) mres_pt = 0.025;
     const double ptres_pt = SQRT2 * mres_pt; //< from Eq (10)
     const double resolution = (m.abseta() < 1.5 ? 1.0 : 1.25) * ptres_pt;
     return Particle(m.pid(), P4_SMEAR_PT_GAUSS(m, resolution*m.pT()));
   }
 
 
 
   /// CMS Run 1 muon reco efficiency
   inline double MUON_EFF_CMS_RUN1(const Particle& m) {
     if (m.abspid() != PID::MUON) return 0;
     if (m.abseta() > 2.4) return 0;
     if (m.pT() < 10*GeV) return 0;
     return 0.95 * (m.abseta() < 1.5 ? 1 : exp(0.5 - 5e-4*m.pT()/GeV));
   }
   /// CMS Run 1 loose muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_CMS_RUN1_LOOSE(const Particle& m) { return MUON_EFF_CMS_RUN1(m); }
   /// CMS Run 1 medium muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_CMS_RUN1_MEDIUM(const Particle& m) { return MUON_EFF_CMS_RUN1(m); }
   /// CMS Run 1 tight muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_CMS_RUN1_TIGHT(const Particle& m) { return MUON_EFF_CMS_RUN1(m); }
 
 
   /// CMS Run 2 muon reco efficiency
   ///
   /// @todo Currently just a copy of Run 1: fix!
   inline double MUON_EFF_CMS_RUN2(const Particle& m) {
     return MUON_EFF_CMS_RUN1(m);
   }
   /// CMS Run 2 loose muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_CMS_RUN2_LOOSE(const Particle& m) { return MUON_EFF_CMS_RUN2(m); }
   /// CMS Run 2 medium muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_CMS_RUN2_MEDIUM(const Particle& m) { return MUON_EFF_CMS_RUN2(m); }
   /// CMS Run 2 tight muon reconstruction efficiency
   /// @todo Add muon loose/medium/tight ID efficiencies? All around 95-98%... ignore?
   /// @todo Just an alias to generic: improve!
   inline double MUON_EFF_CMS_RUN2_TIGHT(const Particle& m) { return MUON_EFF_CMS_RUN2(m); }
 
 
 
   /// CMS Run 1 muon reco smearing
   inline Particle MUON_SMEAR_CMS_RUN1(const Particle& m) {
     // Calculate fractional resolution
     // for pT > 0.1 GeV, mom resolution = |eta| < 0.5 -> sqrt(0.01^2 + pt^2 * 2.0e-4^2)
     //                                    |eta| < 1.5 -> sqrt(0.02^2 + pt^2 * 3.0e-4^2)
     //                                    |eta| < 2.5 -> sqrt(0.05^2 + pt^2 * 2.6e-4^2)
     double resolution = 0;
     const double abseta = m.abseta();
     if (m.pT() > 0.1*GeV && abseta < 2.5) {
       if (abseta < 0.5) {
         resolution = add_quad(0.01, 2.0e-4 * m.pT()/GeV);
       } else if (abseta < 1.5) {
         resolution = add_quad(0.02, 3.0e-4 * m.pT()/GeV);
       } else { // still |eta| < 2.5... but isn't CMS' mu acceptance < 2.4?
         resolution = add_quad(0.05, 2.6e-4 * m.pT()/GeV);
       }
     }
 
     // Smear by a Gaussian centered on the current pT, with width given by the resolution
     // normal_distribution<> d(m.pT(), resolution*m.pT());
     // const double smeared_pt = max(d(gen), 0.);
     // const double mass = m.mass2() > 0 ? m.mass() : 0; //< numerical carefulness...
     // return Particle(m.pid(), FourMomentum::mkEtaPhiMPt(m.eta(), m.phi(), mass, smeared_pt));
     return Particle(m.pid(), P4_SMEAR_PT_GAUSS(m, resolution*m.pT()));
   }
 
   /// CMS Run 2 muon reco smearing
   ///
   /// @todo Currently just a copy of the Run 1 version: fix!
   inline Particle MUON_SMEAR_CMS_RUN2(const Particle& m) {
     return MUON_SMEAR_CMS_RUN1(m);
   }
 
   /// @}
 
 
 
   /// @defgroup smearing_tau Experiment-specific tau efficiency and smearing functions
   /// @{
 
   /// @brief ATLAS Run 1 8 TeV tau efficiencies (medium working point)
   ///
   /// Taken from http://arxiv.org/pdf/1412.7086.pdf
   ///   20-40 GeV 1-prong LMT eff|mis = 0.66|1/10, 0.56|1/20, 0.36|1/80
   ///   20-40 GeV 3-prong LMT eff|mis = 0.45|1/60, 0.38|1/100, 0.27|1/300
   ///   > 40 GeV 1-prong LMT eff|mis = 0.66|1/15, 0.56|1/25, 0.36|1/80
   ///   > 40 GeV 3-prong LMT eff|mis = 0.45|1/250, 0.38|1/400, 0.27|1/1300
   inline double TAU_EFF_ATLAS_RUN1_MEDIUM(const Particle& t) {
     if (t.abseta() > 2.5) return 0; //< hmm... mostly
     if (inRange(t.abseta(), 1.37, 1.52)) return 0; //< crack region
     double pThadvis = 0;
     Particles chargedhadrons;
     for (const Particle& p : t.children()) {
       if (p.isHadron()) {
         pThadvis += p.pT(); //< right definition? Paper is unclear
         if (p.charge3() != 0 && p.abseta() < 2.5 && p.pT() > 1*GeV) chargedhadrons += p;
       }
     }
     if (chargedhadrons.empty()) return 0; //< leptonic tau
     if (pThadvis < 20*GeV) return 0; //< below threshold
     if (pThadvis < 40*GeV) {
       if (chargedhadrons.size() == 1) return (t.abspid() == PID::TAU) ? 0.56 : 0; //1/20.;
       if (chargedhadrons.size() == 3) return (t.abspid() == PID::TAU) ? 0.38 : 0; //1/100.;
     } else {
       if (chargedhadrons.size() == 1) return (t.abspid() == PID::TAU) ? 0.56 : 0; //1/25.;
       if (chargedhadrons.size() == 3) return (t.abspid() == PID::TAU) ? 0.38 : 0; //1/400.;
     }
     return 0;
   }
   /// ATLAS Run 1 medium muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_ATLAS_RUN1(const Particle& t) { return TAU_EFF_ATLAS_RUN1_MEDIUM(t); }
   /// ATLAS Run 1 loose tau reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_ATLAS_RUN1_LOOSE(const Particle& t) { return TAU_EFF_ATLAS_RUN1(t); }
   /// ATLAS Run 1 tight muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_ATLAS_RUN1_TIGHT(const Particle& t) { return TAU_EFF_ATLAS_RUN1(t); }
 
 
   /// @brief ATLAS Run 1 8 TeV tau misID rates (medium working point)
   ///
   /// Taken from http://arxiv.org/pdf/1412.7086.pdf
   ///   20-40 GeV 1-prong LMT eff|mis = 0.66|1/10, 0.56|1/20, 0.36|1/80
   ///   20-40 GeV 3-prong LMT eff|mis = 0.45|1/60, 0.38|1/100, 0.27|1/300
   ///   > 40 GeV 1-prong LMT eff|mis = 0.66|1/15, 0.56|1/25, 0.36|1/80
   ///   > 40 GeV 3-prong LMT eff|mis = 0.45|1/250, 0.38|1/400, 0.27|1/1300
   inline double TAUJET_EFF_ATLAS_RUN1(const Jet& j) {
     if (j.abseta() > 2.5) return 0; //< hmm... mostly
     if (inRange(j.abseta(), 1.37, 1.52)) return 0; //< crack region
     double pThadvis = 0;
     Particles chargedhadrons;
     for (const Particle& p : j.particles()) {
       if (p.isHadron()) {
         pThadvis += p.pT(); //< right definition? Paper is unclear
         if (p.charge3() != 0 && p.abseta() < 2.5 && p.pT() > 1*GeV) chargedhadrons += p;
       }
     }
 
     if (chargedhadrons.empty()) return 0; //< leptonic tau?
     if (pThadvis < 20*GeV) return 0; //< below threshold
 
     const Particles ttags = j.tauTags(Cuts::pT > 10*GeV);
     // MisID rates for jets without truth tau label
     if (ttags.empty()) {
       if (pThadvis < 40*GeV)
         return chargedhadrons.size() == 1 ? 1/20. : chargedhadrons.size() == 3 ? 1/100. : 0; //< fake rates
       else
         return chargedhadrons.size() == 1 ? 1/25. : chargedhadrons.size() == 3 ? 1/400. : 0; //< fake rates
     }
     // Efficiencies for jets with a truth tau label
     const Particles prongs = ttags[0].stableDescendants(Cuts::charge3 > 0 && Cuts::pT > 1*GeV && Cuts::abseta < 2.5);
     return prongs.size() == 1 ? 0.56 : 0.38;
   }
 
 
   /// @brief ATLAS Run 2 13 TeV tau efficiencies (medium working point)
   ///
   /// From https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PUBNOTES/ATL-PHYS-PUB-2015-045/ATL-PHYS-PUB-2015-045.pdf
   ///   LMT 1 prong efficiency/mistag = 0.6|1/30, 0.55|1/50, 0.45|1/120
   ///   LMT 3 prong efficiency/mistag = 0.5|1/30, 0.4|1/110, 0.3|1/300
   inline double TAU_EFF_ATLAS_RUN2_MEDIUM(const Particle& t) {
     if (t.abspid() != PID::TAU) return 0;
     if (t.abseta() > 2.5) return 0; //< hmm... mostly
     if (inRange(t.abseta(), 1.37, 1.52)) return 0; //< crack region
     double pThadvis = 0;
     Particles chargedhadrons;
     for (const Particle& p : t.children()) {
       if (p.isHadron()) {
         pThadvis += p.pT(); //< right definition? Paper is unclear
         if (p.charge3() != 0 && p.abseta() < 2.5 && p.pT() > 1*GeV) chargedhadrons += p;
       }
     }
     if (chargedhadrons.empty()) return 0; //< leptonic tau
     if (pThadvis < 20*GeV) return 0; //< below threshold
     if (chargedhadrons.size() == 1) return (t.abspid() == PID::TAU) ? 0.55 : 0; //1/50.;
     if (chargedhadrons.size() == 3) return (t.abspid() == PID::TAU) ? 0.40 : 0; //1/110.;
     return 0;
   }
   /// ATLAS Run 2 medium muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_ATLAS_RUN2(const Particle& t) { return TAU_EFF_ATLAS_RUN2_MEDIUM(t); }
   /// ATLAS Run 2 loose tau reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_ATLAS_RUN2_LOOSE(const Particle& t) { return TAU_EFF_ATLAS_RUN2(t); }
   /// ATLAS Run 2 tight muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_ATLAS_RUN2_TIGHT(const Particle& t) { return TAU_EFF_ATLAS_RUN2(t); }
 
 
   /// @brief ATLAS Run 2 13 TeV tau misID rate (medium working point)
   ///
   /// From https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PUBNOTES/ATL-PHYS-PUB-2015-045/ATL-PHYS-PUB-2015-045.pdf
   ///   LMT 1 prong efficiency/mistag = 0.6|1/30, 0.55|1/50, 0.45|1/120
   ///   LMT 3 prong efficiency/mistag = 0.5|1/30, 0.4|1/110, 0.3|1/300
   inline double TAUJET_EFF_ATLAS_RUN2(const Jet& j) {
     if (j.abseta() > 2.5) return 0; //< hmm... mostly
     if (inRange(j.abseta(), 1.37, 1.52)) return 0; //< crack region
     double pThadvis = 0;
     Particles chargedhadrons;
     for (const Particle& p : j.particles()) {
       if (p.isHadron()) {
         pThadvis += p.pT(); //< right definition? Paper is unclear
         if (p.charge3() != 0 && p.abseta() < 2.5 && p.pT() > 1*GeV) chargedhadrons += p;
       }
     }
     if (chargedhadrons.empty()) return 0;
     if (pThadvis < 20*GeV) return 0; //< below threshold
     const Particles ttags = j.tauTags(Cuts::pT > 10*GeV);
     // if (ttags.empty()) {
     //   if (pThadvis < 40*GeV)
     //     return chargedhadrons.size() == 1 ? 1/50. : 1/110.; //< fake rates
     //   else
     //     return chargedhadrons.size() == 1 ? 1/25. : 1/400.; //< fake rates
     // }
     if (ttags.empty()) return chargedhadrons.size() == 1 ? 1/50. : chargedhadrons.size() == 3 ? 1/110. : 0; //< fake rates
     const Particles prongs = ttags[0].stableDescendants(Cuts::charge3 > 0 && Cuts::pT > 1*GeV && Cuts::abseta < 2.5);
     return prongs.size() == 1 ? 0.55 : 0.40;
   }
 
 
   /// ATLAS Run 1 tau smearing
   ///
   /// @todo Currently a copy of the jet smearing
   inline Particle TAU_SMEAR_ATLAS_RUN1(const Particle& t) {
     // // Const fractional resolution for now
     // static const double resolution = 0.03;
 
     // // Smear by a Gaussian centered on 1 with width given by the (fractional) resolution
     // /// @todo Is this the best way to smear? Should we preserve the energy, or pT, or direction?
     // const double fsmear = max(randnorm(1., resolution), 0.);
     // const double mass = t.mass2() > 0 ? t.mass() : 0; //< numerical carefulness...
     // return Particle(t.pid(), FourMomentum::mkXYZM(t.px()*fsmear, t.py()*fsmear, t.pz()*fsmear, mass));
 
     // Jet energy resolution lookup
     //   Implemented by Matthias Danninger for GAMBIT, based roughly on
     //   https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2015-017/
     //   Parameterisation can be still improved, but eta dependence is minimal
     /// @todo Also need a JES uncertainty component?
     static const vector<double> binedges_pt = {0., 50., 70., 100., 150., 200., 1000., 10000.};
     static const vector<double> jer = {0.145, 0.115, 0.095, 0.075, 0.07, 0.05, 0.04, 0.04}; //< note overflow value
     const int ipt = binIndex(t.pT()/GeV, binedges_pt, true);
     if (ipt < 0) return t;
     const double resolution = jer.at(ipt);
 
     // Smear by a Gaussian centered on 1 with width given by the (fractional) resolution
     /// @todo Is this the best way to smear? Should we preserve the energy, or pT, or direction?
     const double fsmear = max(randnorm(1., resolution), 0.);
     const double mass = t.mass2() > 0 ? t.mass() : 0; //< numerical carefulness...
     Particle rtn(PID::TAU, FourMomentum::mkXYZM(t.px()*fsmear, t.py()*fsmear, t.pz()*fsmear, mass));
     //if (deltaPhi(t, rtn) > 0.01) cout << "jdphi: " << deltaPhi(t, rtn) << endl;
     return rtn;
   }
 
 
   /// ATLAS Run 2 tau smearing
   ///
   /// @todo Currently a copy of the Run 1 version
   inline Particle TAU_SMEAR_ATLAS_RUN2(const Particle& t) {
     return TAU_SMEAR_ATLAS_RUN1(t);
   }
 
 
   /// CMS Run 1 tau efficiency
   ///
   /// @todo Needs work; this is just a copy of the Run 2 version in Delphes 3.3.2
   inline double TAU_EFF_CMS_RUN1(const Particle& t) {
     if (t.abspid() != PID::TAU) return 0;
     return (t.abspid() == PID::TAU) ? 0.6 : 0;
   }
   /// CMS Run 1 loose tau reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_CMS_RUN1_LOOSE(const Particle& t) { return TAU_EFF_CMS_RUN1(t); }
   /// CMS Run 1 medium muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_CMS_RUN1_MEDIUM(const Particle& t) { return TAU_EFF_CMS_RUN1(t); }
   /// CMS Run 1 tight muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_CMS_RUN1_TIGHT(const Particle& t) { return TAU_EFF_CMS_RUN1(t); }
 
   /// CMS Run 2 tau efficiency
   ///
   /// @todo Needs work; this is the dumb version from Delphes 3.3.2
   inline double TAU_EFF_CMS_RUN2(const Particle& t) {
     if (t.abspid() != PID::TAU) return 0;
     return (t.abspid() == PID::TAU) ? 0.6 : 0;
   }
   /// CMS Run 2 loose tau reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_CMS_RUN2_LOOSE(const Particle& t) { return TAU_EFF_CMS_RUN2(t); }
   /// CMS Run 2 medium muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_CMS_RUN2_MEDIUM(const Particle& t) { return TAU_EFF_CMS_RUN2(t); }
   /// CMS Run 2 tight muon reconstruction efficiency
   /// @todo Just an alias to generic: improve!
   inline double TAU_EFF_CMS_RUN2_TIGHT(const Particle& t) { return TAU_EFF_CMS_RUN2(t); }
 
 
   /// CMS Run 1 tau smearing
   ///
   /// @todo Currently a copy of the crappy ATLAS one
   inline Particle TAU_SMEAR_CMS_RUN1(const Particle& t) {
     return TAU_SMEAR_ATLAS_RUN1(t);
   }
 
 
   /// CMS Run 2 tau smearing
   ///
   /// @todo Currently a copy of the Run 1 version
   inline Particle TAU_SMEAR_CMS_RUN2(const Particle& t) {
     return TAU_SMEAR_CMS_RUN1(t);
   }
 
   /// @}
 
 
 
   /// @defgroup smearing_jet Experiment-specific jet efficiency and smearing functions
   /// @{
 
   /// Return the ATLAS Run 1 jet flavour tagging efficiency for the given Jet, from Delphes
   inline double JET_BTAG_ATLAS_RUN1(const Jet& j) {
     /// @todo This form drops past ~100 GeV, asymptotically to zero efficiency... really?!
     if (j.abseta() > 2.5) return 0;
     const auto ftagsel = [&](const Particle& p){ return p.pT() > 5*GeV && deltaR(p,j) < 0.3; };
     if (j.bTagged(ftagsel)) return 0.80*tanh(0.003*j.pT()/GeV)*(30/(1+0.0860*j.pT()/GeV));
     if (j.cTagged(ftagsel)) return 0.20*tanh(0.020*j.pT()/GeV)*( 1/(1+0.0034*j.pT()/GeV));
     return 0.002 + 7.3e-6*j.pT()/GeV;
   }
   /// Alias for naming scheme
   inline double JET_BTAG_ATLAS_RUN1_XXX(const Jet& j) { return JET_BTAG_ATLAS_RUN1(j); }
 
   /// Return the ATLAS Run 2 MC2c20 77% WP jet flavour tagging efficiency for the given Jet
   inline double JET_BTAG_ATLAS_RUN2_MV2C20(const Jet& j) {
     if (j.abseta() > 2.5) return 0;
     if (j.bTagged(Cuts::pT > 5*GeV)) return 0.77;
     if (j.cTagged(Cuts::pT > 5*GeV)) return 1/4.5;
     return 1/140.;
   }
 
   /// Return the ATLAS Run 2 MC2c10 77% WP jet flavour tagging efficiency for the given Jet
   inline double JET_BTAG_ATLAS_RUN2_MV2C10(const Jet& j) {
     if (j.abseta() > 2.5) return 0;
     if (j.bTagged(Cuts::pT > 5*GeV)) return 0.77;
     if (j.cTagged(Cuts::pT > 5*GeV)) return 1/6.0;
     return 1/134.;
   }
 
 
   /// @brief ATLAS Run 1 jet smearing
   ///
   /// Implemented by Matthias Danninger for GAMBIT, based roughly on
   /// https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2015-017/
   inline Jet JET_SMEAR_ATLAS_RUN1(const Jet& j) {
     // Jet energy resolution lookup
     //   Parameterisation can be still improved, but eta dependence is minimal
     /// @todo Also need a JES uncertainty component?
     static const vector<double> binedges_pt = {0., 50., 70., 100., 150., 200., 1000., 10000.};
     static const vector<double> jer = {0.145, 0.115, 0.095, 0.075, 0.07, 0.05, 0.04, 0.04}; //< note overflow value
     const int ipt = binIndex(j.pT()/GeV, binedges_pt, true);
     if (ipt < 0) return j;
     const double resolution = jer.at(ipt);
 
     // Smear by a Gaussian centered on 1 with width given by the (fractional) resolution
     /// @todo Is this the best way to smear? Should we preserve the energy, or pT, or direction?
     const double fsmear = max(randnorm(1., resolution), 0.);
     const double mass = j.mass2() > 0 ? j.mass() : 0; //< numerical carefulness...
     Jet rtn(FourMomentum::mkXYZM(j.px()*fsmear, j.py()*fsmear, j.pz()*fsmear, mass));
     //if (deltaPhi(j, rtn) > 0.01) cout << "jdphi: " << deltaPhi(j, rtn) << endl;
     return rtn;
   }
 
   /// ATLAS Run 2 jet smearing
   ///
   /// @todo Just a copy of the Run 1 one: improve!!
   inline Jet JET_SMEAR_ATLAS_RUN2(const Jet& j) { return JET_SMEAR_ATLAS_RUN1(j); }
 
   /// CMS Run 2 jet smearing
   ///
   /// @todo Just a copy of the suboptimal ATLAS one: improve!!
   inline Jet JET_SMEAR_CMS_RUN1(const Jet& j) { return JET_SMEAR_ATLAS_RUN1(j); }
 
   /// CMS Run 2 jet smearing
   ///
   /// @todo Just a copy of the suboptimal ATLAS one: improve!!
   inline Jet JET_SMEAR_CMS_RUN2(const Jet& j) { return JET_SMEAR_CMS_RUN1(j); }
 
   /// @}
 
 
   /// @defgroup smearing_met Experiment-specific missing-ET smearing functions
   /// @{
 
   /// @brief ATLAS Run 1 ETmiss resolution
   ///
   /// Based on https://arxiv.org/pdf/1108.5602v2.pdf, Figs 14 and 15
   inline METSmearParams MET_SMEARPARAMS_ATLAS_RUN1(const Vector3& met, double set) {
     // Linearity offset (Fig 14)
     Vector3 smeared_met = met;
     if (met.mod() < 25*GeV) smeared_met *= 1.05;
     else if (met.mod() < 40*GeV) smeared_met *= (1.05 - (0.04/15)*(met.mod()/GeV - 25)); //< linear decrease
     else smeared_met *= 1.01;
 
     return {smeared_met, 0.45*sqrt(set/GeV)*GeV, 0.0};
   }
 
   /// @brief ATLAS Run 1 ETmiss smearing
   inline Vector3 MET_SMEAR_ATLAS_RUN1(const Vector3& met, double set) {
     return MET_SMEAR_NORM(MET_SMEARPARAMS_ATLAS_RUN1(met, set));
   }
 
 
   /// ATLAS Run 2 ETmiss resolution
   ///
   /// Based on https://arxiv.org/pdf/1802.08168.pdf, Figs 6-9
   inline METSmearParams MET_SMEARPARAMS_ATLAS_RUN2(const Vector3& met, double set) {
     // Linearity offset (Fig 6)
     Vector3 smeared_met = met;
     if (met.mod() < 25*GeV) smeared_met *= 1.5;
     else smeared_met *= (1 + exp(-(met.mod() - 25*GeV)/(10*GeV)) - 0.02); //< exp approx to Fig 6 curve, approaching -0.02
 
     // Resolution(sumEt) ~ 0.45 sqrt(sumEt) GeV
     // above SET = 180 GeV, and with linear trend from SET = 180 -> 0  to resolution = 0 (Fig 7)
     const double resolution1 = (set < 180*GeV ? set/180. : 1) * 0.45 * sqrt(max(set/GeV, 180)) * GeV;
     /// @todo Allow smearing function to access the whole event, since Njet also affects? Or assume encoded in SET?
 
     // Resolution(MET_true) (Fig 9)
     const double resolution2 = 15*GeV + 0.5*sqrt(met.mod()/GeV)*GeV;
 
     // Smearing width is given by the minimum resolution estimator (should mean low-MET events
     // with high SET do not get a large smearing, and will be dominated by the linearity effect).
     /// @todo Arguably should somehow take the max of this and the linearity... but this is re-used
     const double sigma = min(resolution1, resolution2);
 
     return {smeared_met, sigma, 0.0};
   }
 
   /// ATLAS Run 2 ETmiss smearing
   inline Vector3 MET_SMEAR_ATLAS_RUN2(const Vector3& met, double set) {
     return MET_SMEAR_NORM(MET_SMEARPARAMS_ATLAS_RUN2(met, set));
   }
 
 
   /// CMS Run 1 ETmiss smearing params
   ///
   /// From https://arxiv.org/pdf/1411.0511.pdf Table 2, p16 (Z channels)
   inline METSmearParams MET_SMEARPARAMS_CMS_RUN1(const Vector3& met, double set) {
     // Calculate parallel and perpendicular resolutions and combine in quadrature (?)
     const double resolution_x = (1.1 + 0.6*sqrt(set/GeV)) * GeV;
     const double resolution_y = (1.4 + 0.6*sqrt(set/GeV)) * GeV;
     const double resolution = sqrt(sqr(resolution_x) + sqr(resolution_y));
     return {met, resolution,0.0};
   }
 
   /// CMS Run 1 ETmiss smearing
   inline Vector3 MET_SMEAR_CMS_RUN1(const Vector3& met, double set) {
     return MET_SMEAR_NORM(MET_SMEARPARAMS_CMS_RUN1(met, set));
   }
 
 
   /// @brief CMS Run 2 ETmiss smearing
   ///
   /// From http://inspirehep.net/record/1681214/files/JME-17-001-pas.pdf Table 3, p20
   inline METSmearParams MET_SMEARPARAMS_CMS_RUN2(const Vector3& met, double set) {
     // Calculate parallel and perpendicular resolutions and combine in quadrature (?)
     const double resolution_para = ( 2.0 + 0.64*sqrt(set/GeV)) * GeV;
     const double resolution_perp = (-1.5 + 0.68*sqrt(set/GeV)) * GeV;
     const double resolution = sqrt(sqr(resolution_para) + sqr(resolution_perp));
     return {met, resolution,0.0};
   }
 
   /// @brief CMS Run 2 ETmiss smearing
   inline Vector3 MET_SMEAR_CMS_RUN2(const Vector3& met, double set) {
     return MET_SMEAR_NORM(MET_SMEARPARAMS_CMS_RUN2(met, set));
   }
 
   /// @}
 
 
   /// @defgroup smearing_trk Experiment-specific tracking efficiency and smearing functions
   /// @{
 
   /// ATLAS Run 1 tracking efficiency
   inline double TRK_EFF_ATLAS_RUN1(const Particle& p) {
     if (p.charge3() == 0) return 0;
     if (p.abseta() > 2.5) return 0;
     if (p.pT() < 0.1*GeV) return 0;
 
     if (p.abspid() == PID::ELECTRON) {
       if (p.abseta() < 1.5) {
         if (p.pT() < 1*GeV) return 0.73;
         if (p.pT() < 100*GeV) return 0.95;
         return 0.99;
       } else {
         if (p.pT() < 1*GeV) return 0.50;
         if (p.pT() < 100*GeV) return 0.83;
         else return 0.90;
       }
     } else if (p.abspid() == PID::MUON) {
       if (p.abseta() < 1.5) {
         return (p.pT() < 1*GeV) ? 0.75 : 0.99;
       } else {
         return (p.pT() < 1*GeV) ? 0.70 : 0.98;
       }
     } else { // charged hadrons
       if (p.abseta() < 1.5) {
         return (p.pT() < 1*GeV) ? 0.70 : 0.95;
       } else {
         return (p.pT() < 1*GeV) ? 0.60 : 0.85;
       }
     }
   }
 
   /// ATLAS Run 2 tracking efficiency
   ///
   /// @todo Currently just a copy of Run 1: fix!
   inline double TRK_EFF_ATLAS_RUN2(const Particle& p) {
     return TRK_EFF_ATLAS_RUN1(p);
   }
 
 
   /// ATLAS Run 1 track smearing
   ///
   /// @todo Currently identity: fix!
   inline Particle TRK_SMEAR_ATLAS_RUN1(const Particle& t) {
     return PARTICLE_SMEAR_IDENTITY(t);
   }
   /// ATLAS Run 2 track smearing
   ///
   /// @todo Currently identity: fix!
   inline Particle TRK_SMEAR_ATLAS_RUN2(const Particle& t) {
     return PARTICLE_SMEAR_IDENTITY(t);
   }
 
 
   /// CMS Run 1 tracking efficiency
   inline double TRK_EFF_CMS_RUN1(const Particle& p) {
     if (p.charge3() == 0) return 0;
     if (p.abseta() > 2.5) return 0;
     if (p.pT() < 0.1*GeV) return 0;
 
     if (p.abspid() == PID::ELECTRON) {
       if (p.abseta() < 1.5) {
         if (p.pT() < 1*GeV) return 0.73;
         if (p.pT() < 100*GeV) return 0.95;
         return 0.99;
       } else {
         if (p.pT() < 1*GeV) return 0.50;
         if (p.pT() < 100*GeV) return 0.83;
         else return 0.90;
       }
     } else if (p.abspid() == PID::MUON) {
       if (p.abseta() < 1.5) {
         return (p.pT() < 1*GeV) ? 0.75 : 0.99;
       } else {
         return (p.pT() < 1*GeV) ? 0.70 : 0.98;
       }
     } else { // charged hadrons
       if (p.abseta() < 1.5) {
         return (p.pT() < 1*GeV) ? 0.70 : 0.95;
       } else {
         return (p.pT() < 1*GeV) ? 0.60 : 0.85;
       }
     }
   }
 
   /// CMS Run 2 tracking efficiency
   ///
   /// @todo Currently just a copy of Run 1: fix!
   inline double TRK_EFF_CMS_RUN2(const Particle& p) {
     return TRK_EFF_CMS_RUN1(p);
   }
 
 
   /// CMS Run 1 track smearing
   ///
   /// @todo Currently identity: fix!
   inline Particle TRK_SMEAR_CMS_RUN1(const Particle& t) {
     return PARTICLE_SMEAR_IDENTITY(t);
   }
   /// CMS Run 2 track smearing
   ///
   /// @todo Currently identity: fix!
   inline Particle TRK_SMEAR_CMS_RUN2(const Particle& t) {
     return PARTICLE_SMEAR_IDENTITY(t);
   }
 
   /// @brief Return the efficiency of the ATLAS JVT tagger at > 0.2 W.P.
   ///
   /// Values taken from fig 17, https://arxiv.org/pdf/1510.03823.pdf.
   /// Shockingly, its run1, but it's still the most recent ATLAS JVT public plots
   /// And is still cited by all the Run 2 papers
   /// Note! The exact translation of weak/medium/tight varies across runs/years
   /// If possible double check the score cut off used.
   inline double ATLAS_JVT_EFF_LOOSE(const Jet & j){
     if (j.abseta() > 2.4) return 1.0;
     // No data for jets pt < 20, hopefully not relevant:
     if (j.pt() <= 20*GeV || j.pt() >= 60*GeV) return 1.0;
 
     const static vector<double> binedges_pt = {20*GeV,25*GeV,30*GeV,35*GeV,40*GeV,45*GeV,50*GeV,55*GeV,60*GeV};
     const static vector<double> binvals = {0.9, 0.93, 0.94, 0.95, 0.96, 0.96, 0.97, 0.97};
 
     const size_t bini = binIndex(j.pt(), binedges_pt);
     return binvals[bini];
   }
 
   /// @brief Return the efficiency of the ATLAS JVT tagger at > 0.4 W.P.
   ///
   /// Values taken from fig 17, https://arxiv.org/pdf/1510.03823.pdf.
   /// Shockingly, its run1, but it's still the most recent ATLAS JVT public plots
   /// And is still cited by all the Run 2 papers
   /// Note! The exact translation of weak/medium/tight varies across runs/years
   /// If possible double check the score cut off used.
   inline double ATLAS_JVT_EFF_MEDIUM(const Jet & j){
     if (j.abseta() > 2.4) return 1.0;
     // No data for jets pt < 20, hopefully not relevant:
     if (j.pt() <= 20*GeV || j.pt() >= 60*GeV) return 1.0;
 
     const static vector<double> binedges_pt = {20*GeV,25*GeV,30*GeV,35*GeV,40*GeV,45*GeV,50*GeV,55*GeV,60*GeV};
     const static vector<double> binvals = {0.86, 0.9, 0.92, 0.93, 0.94, 0.95, 0.95, 0.96};
 
     const size_t bini = binIndex(j.pt(), binedges_pt);
     return binvals[bini];
   }
 
   /// @brief Return the efficiency of the ATLAS JVT tagger at > 0.7 W.P.
   ///
   /// Values taken from fig 17, https://arxiv.org/pdf/1510.03823.pdf.
   /// Shockingly, its run1, but it's still the most recent ATLAS JVT public plots
   /// And is still cited by all the Run 2 papers
   /// Note! The exact translation of weak/medium/tight varies across runs/years
   /// If possible double check the score cut off used.
   inline double ATLAS_JVT_EFF_TIGHT(const Jet & j){
     if (j.abseta() > 2.4) return 1.0;
     // No data for jets pt < 20, hopefully not relevant:
     if (j.pt() <= 20*GeV || j.pt() >= 60*GeV) return 1.0;
 
     const static vector<double> binedges_pt = {20*GeV,25*GeV,30*GeV,35*GeV,40*GeV,45*GeV,50*GeV,55*GeV,60*GeV};
     const static vector<double> binvals = {0.81, 0.84, 0.87, 0.90, 0.91, 0.92, 0.93, 0.94};
 
     const size_t bini = binIndex(j.pt(), binedges_pt);
     return binvals[bini];
   }
 
   /// @}
 
   /// @name A full family of identity smearing functions
   /// @{
 
   inline double ELECTRON_EFF_IDENTITY_LOOSE(const Particle& e) { return PARTICLE_EFF_ONE(e); }
   inline double ELECTRON_EFF_IDENTITY_MEDIUM(const Particle& e) { return PARTICLE_EFF_ONE(e); }
   inline double ELECTRON_EFF_IDENTITY_TIGHT(const Particle& e) { return PARTICLE_EFF_ONE(e); }
   inline double MUON_EFF_IDENTITY_LOOSE(const Particle& m) { return PARTICLE_EFF_ONE(m); }
   inline double MUON_EFF_IDENTITY_MEDIUM(const Particle& m) { return PARTICLE_EFF_ONE(m); }
   inline double MUON_EFF_IDENTITY_TIGHT(const Particle& m) { return PARTICLE_EFF_ONE(m); }
   inline double PHOTON_EFF_IDENTITY_LOOSE(const Particle& y) { return PARTICLE_EFF_ONE(y); }
   inline double PHOTON_EFF_IDENTITY_MEDIUM(const Particle& y) { return PARTICLE_EFF_ONE(y); }
   inline double PHOTON_EFF_IDENTITY_TIGHT(const Particle& y) { return PARTICLE_EFF_ONE(y); }
   inline double TAU_EFF_IDENTITY_LOOSE(const Particle& t) { return PARTICLE_EFF_ONE(t); }
   inline double TAU_EFF_IDENTITY_MEDIUM(const Particle& t) { return PARTICLE_EFF_ONE(t); }
   inline double TAU_EFF_IDENTITY_TIGHT(const Particle& t) { return PARTICLE_EFF_ONE(t); }
 
   inline Particle ELECTRON_SMEAR_IDENTITY(const Particle& e) { return PARTICLE_SMEAR_IDENTITY(e); }
   inline Particle MUON_SMEAR_IDENTITY(const Particle& m) { return PARTICLE_SMEAR_IDENTITY(m); }
   inline Particle PHOTON_SMEAR_IDENTITY(const Particle& y) { return PARTICLE_SMEAR_IDENTITY(y); }
   inline Particle TAU_SMEAR_IDENTITY(const Particle& t) { return PARTICLE_SMEAR_IDENTITY(t); }
 
   inline double TRK_EFF_IDENTITY_TIGHT(const Particle& trk) { return PARTICLE_EFF_ONE(trk); }
   inline Particle TRK_SMEAR_IDENTITY(const Particle& trk) { return PARTICLE_SMEAR_IDENTITY(trk); }
 
   inline double JET_BTAG_IDENTITY_IDENTITY(const Jet& j) { return JET_BTAG_IDENTITY(j); }
 
   // Already defined: JET_SMEAR_IDENTITY and MET_SMEAR_IDENTITY
 
   /// @}
 
   /// @}
 
 
 }
 
 #endif

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