#include <KtMassDrop.h>

Inheritance diagram for JetSubStructureUtils::KtMassDrop:

Collaboration diagram for JetSubStructureUtils::KtMassDrop:

Public Member Functions
virtual double	result (const fastjet::PseudoJet &jet) const

virtual TOut	result (const xAOD::Jet &jet) const

virtual double	result (const xAOD::Jet &jet) const

Detailed Description

Definition at line 11 of file KtMassDrop.h.

Member Function Documentation

◆ result() [1/3]

double KtMassDrop::result ( const fastjet::PseudoJet & jet ) const

virtual

Definition at line 14 of file KtMassDrop.cxx.

 {
   if(jet.m() == 0 ) return -1;
   if(jet.constituents().empty()) return -1;
     
   fastjet::JetDefinition jet_def = fastjet::JetDefinition(fastjet::kt_algorithm, 1.5,
                                                           fastjet::E_scheme, fastjet::Best);
   fastjet::ClusterSequence kt_clust_seq(jet.constituents(), jet_def);
   fastjet::PseudoJet kt_jet = fastjet::sorted_by_pt(kt_clust_seq.inclusive_jets()).front();
  
   fastjet::PseudoJet p1, p2;
   if(kt_jet.has_parents(p1, p2)) {
     return fmax(p1.m(), p2.m()) / jet.m();
   }
  
   // No parents
   return -1;
 }

◆ result() [2/3]

virtual TOut JetSubStructureUtils::SubstructureCalculator< TOut >::result

inline

Definition at line 25 of file SubstructureCalculator.h.

                                                     {
         // PS 4/18 master developent
         // std::vector<fastjet::PseudoJet> constit_pseudojets =
         //   jet::JetConstituentFiller::constituentPseudoJets(jet);
  
         std::vector<fastjet::PseudoJet> constit_pseudojets;
         std::transform(jet.getConstituents().begin(),
                        jet.getConstituents().end(),
                        std::back_inserter(constit_pseudojets),
                        [](const auto& c){
                          const xAOD::IParticle* ip = c->rawConstituent();
                          return
                            // fastjet::PseudoJet((c->rawConstituent())->p4());
                            fastjet::PseudoJet(ip->p4());
                        });
  
         fastjet::PseudoJet pjet = fastjet::join(constit_pseudojets);
  
         return result(pjet);
       }

◆ result() [3/3]

virtual double JetSubStructureUtils::SubstructureCalculator< double >::result ( const xAOD::Jet & jet ) const

inlinevirtualinherited