#include "4vectors.h" // const float fourvector::me = 0.000511; // const float fourvector::mmu = 0.107; const float fourvector::mpi = 0.140; const float fourvector::mpi0 = 0.135; const float fourvector::mK = 0.495; const float fourvector::mp = 0.938; const float fourvector::mN = 0.941;