KtJet is hosted by Hepforge, IPPP Durham

KtLorentzVector.h

#ifndef KTJET_KTLORENTZVECTOR
#define KTJET_KTLORENTZVECTOR

#include <vector>
#include <cmath> #include "CLHEP/config/CLHEP.h" #include "CLHEP/Vector/ThreeVector.h" #include "CLHEP/Vector/LorentzVector.h" #include "KtJet/KtUtil.h" //#include "KtRecom.h" namespace KtJet { /** * This Class represents a KtCluster Object. * It is just a CLHEP HepLorentzVector and also contains * a std::vector of all its constituent KtLorentzVectors * and an id number @author J.Butterworth J.Couchman B.Cox B.Waugh */ class KtRecom; class KtLorentzVector : public HepLorentzVector { public: /** Default Constructor: create jet with no constituents */ KtLorentzVector(); /** Constructor: create particle with given 4-momentum */ KtLorentzVector(const HepLorentzVector &); /** Constructor: create particle with given 4-momentum */ KtLorentzVector(KtFloat px, KtFloat py, KtFloat pz, KtFloat e); /** Destructor */ ~KtLorentzVector(); /** return a reference to the vector of pointers of the KtLorentzVectors constituents */ inline const std::vector<const KtLorentzVector*> & getConstituents() const; /** copy constituents */ std::vector<KtLorentzVector> copyConstituents() const; /** returns the number of constituents KtLorentzVector is made up of */ inline int getNConstituents() const; /** Check if a KtLorentzVector is a constituent */ bool contains(const KtLorentzVector &) const; /** Add particle to jet using required recombination scheme to merge 4-momenta */ void add(const KtLorentzVector &, KtRecom *recom); /** Add particle to jet using E scheme (4-vector addition) to merge 4-momenta */ void add(const KtLorentzVector &); inline unsigned int getID() const {return m_id;} // ??? Temporary, for debugging only /** is it a Jet, not single particle */ inline bool isJet() const; /** Add particle to jet using E scheme (4-vector addition) to merge 4-momenta */ KtLorentzVector & operator+= (const KtLorentzVector &); /** Compare IDs of objects */ inline bool operator== (const KtLorentzVector &) const; inline bool operator!= (const KtLorentzVector &) const; private: /** rapidity, only valid if haven't called other methods since last call to add() */ inline KtFloat crapidity() const; /** rapidity, only valid if haven't called other methods since last call to add() */ KtFloat m_crapidity; /** calculate rapidity */ inline void calcRapidity(); /** private method to help add constituents to vector */ void addConstituents(const KtLorentzVector*) ; /** KtLorentzVectors id number */ unsigned int m_id; /** Pointers to constituents */ std::vector<const KtLorentzVector*> m_constituents; /** Particle rather than jet */ bool m_isAtomic; /** Number of instances so far */ static unsigned int m_num; /** Some classes need access to crapidity for efficiency reasons */ friend class KtDistanceDeltaR; friend class KtDistanceQCD; }; bool greaterE(const HepLorentzVector &, const HepLorentzVector &); bool greaterEt(const HepLorentzVector &, const HepLorentzVector &); bool greaterPt(const HepLorentzVector &, const HepLorentzVector &); bool greaterRapidity(const HepLorentzVector &, const HepLorentzVector &); bool greaterEta(const HepLorentzVector &, const HepLorentzVector &); #include "KtJet/KtLorentzVector.icc" }//end of namespace #endif
Generated by GNU enscript 1.6.1.