BABAR C++ Course Running the Examples - HEPHY

A Road SignParticle classWarning: prototype code is about to follow• experimental work by Paul Rensing before he leftSLAC• see BABAR Note 169 for a description• work is left unfinished• there are some problems that need fixing• needs to be updated to latest CLHEP release• there are some ideas for a better designIt is nevertheless useful to look at this code as isTake Lorentz vector and add to it(bfast/particle.h)class Particle : public HepLorentzVector{public:Particle() {_pdtEntry = 0; _charge = 0; _parent = 0; }Particle(HepLorentzVector &, PDTEntry *);Particle(const Particle &);virtual ~Particle() {}float charge() const { return _charge; }float mass() const { return mag(); }// more methods not shownprotected:float _charge; // units of ePDTEntry *_pdtEntry;HepAList _children;Particle *_parent;};• note one can inherit from a class which is an inheritedclass• added features are charge, pointer to entry in particledata table, list of children, and pointer to parent• member functions not shown support added featuresBABAR C++ Course 140 Paul F. KunzBABAR C++ Course 141 Paul F. Kunz