void book(Htype *&pHisto, const std::string &histoIdentifier, const std::string &nameOverride="", const std::string &folder="default")
Helper method to book histograms using an identifier string.
Class describing a truth particle in the MC record.
virtual double eta() const override final
The pseudorapidity ( ) of the particle.
virtual double pt() const override final
The transverse momentum ( ) of the particle.