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rkogler |
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// Dear emacs, this is -*- c++ -*-
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#ifndef JetProps_H
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#define JetProps_H
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#include "UHHAnalysis/NtupleWriter/Objects/Jet.h"
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#include "UHHAnalysis/NtupleWriter/Objects/TopJet.h"
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#include "UHHAnalysis/NtupleWriter/Objects/PFParticle.h"
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#include "UHHAnalysis/NtupleWriter/interface/Njettiness.h"
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/**
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* @class for the calculation of jet properties
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* most of the functions here use FastJet to calculate
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* observables like N-subjettiness, mass-drop,
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* sub-jets or jet grooming variables
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*
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* If you use this functionality, make sure that the
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* jet constituents are provided
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*
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*
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* @author Roman Kogler
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*/
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class JetProps
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{
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public:
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JetProps();
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JetProps(TopJet* jet);
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~JetProps();
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double GetNsubjettiness(int N, Njettiness::AxesMode mode, double beta, double R0, double Rcutoff=std::numeric_limits<double>::max());
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double GetPrunedNsubjettiness(int N, Njettiness::AxesMode mode, double beta, double R0, double Rcutoff=std::numeric_limits<double>::max());
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std::vector<fastjet::PseudoJet> GetFastJet(double R0, fastjet::JetAlgorithm jet_algo=fastjet::cambridge_algorithm);
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fastjet::PseudoJet GetPrunedJet(fastjet::PseudoJet injet);
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double GetQjetVolatility(int seed, double R0);
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double FindMean( std::vector< double > qjetmasses );
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double FindRMS( std::vector< double > qjetmasses );
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std::vector<fastjet::PseudoJet> GetJetConstituents();
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void set_pf_cands(std::vector<PFParticle>* ptr){m_pf_candidates = ptr;}
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private:
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std::vector<PFParticle>* m_pf_candidates;
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TopJet* m_jet;
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fastjet::ClusterSequence* m_JetFinder;
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fastjet::JetDefinition* m_JetDef ;
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};
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#endif // JetProps_H
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