00001 #ifndef __CORAL_CONSTANTS_H__ 00002 #define __CORAL_CONSTANTS_H__ 00003 00004 #include <cmath> 00005 #include <complex> 00006 00007 const double ZERO = 0.0; 00008 const double HBARC = 197.3269602; // hbar times c 00009 const double ALPHA = 1.0/137.03599976; // fine structure constant 00010 const double PI = 3.141592653589793238462643383279; 00011 const double SQRTPI = 1.772453850905516; 00012 const double SQRTFOURPI = 3.544907702; 00013 const double DEGRAD = 57.29577951308232; 00014 const double AMU = 931.494; // atomic mass unit 00015 const double ProtonMass = 938.272; 00016 const double KaonMass = 493.677; 00017 const double PionMass = 139.57018; 00018 const double Pion0Mass = 134.9766; 00019 const double LambdaMass = 1115.7; 00020 const double NeutronMass = 939.565; 00021 const double RhoMass = 771.1; 00022 const double XiMass = 1321.3; 00023 const double XiStarMass = 1530.0; 00024 const std::complex< double > ci = std::complex< double >(0.0,1.0); 00025 00026 #endif