//include the necessary libraries #include "TLorentzVector.h" #include "TMath.h" //create the TLorentzVector object with momentum and energy components TLorentzVector particle(1.23, 2.34, 3.45, 4.56); //calculate the rapidity value using the method provided by the TLorentzVector class Double_t rapidity = particle.Rapidity(); //print the rapidity value std::cout << "The rapidity value is: " << rapidity << std::endl;
//include the necessary libraries #include "TLorentzVector.h" #include "TMath.h" //create two TLorentzVector objects with different momentum and energy components TLorentzVector particle1(1.23, 2.34, 3.45, 4.56); TLorentzVector particle2(1.11, 2.22, 3.33, 4.44); //add the two vectors together TLorentzVector addedVector = particle1 + particle2; //calculate the rapidity value of the added vector Double_t rapidity = addedVector.Rapidity(); //print the rapidity value std::cout << "The rapidity value of the added vector is: " << rapidity << std::endl;In both examples, we have used the ROOT package library and the TLorentzVector class to create 4-vector objects and calculate their rapidity values.