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File indexing completed on 2024-09-07 04:36:19
0001 #ifndef FASTSIM_CONSTANTS_H 0002 #define FASTSIM_CONSTANTS_H 0003 0004 /////////////////////////////////////////////// 0005 // Author: L. Vanelderen, S. Kurz 0006 // Date: 29 May 2017 0007 ////////////////////////////////////////////////////////// 0008 0009 namespace fastsim { 0010 //! Definition of constants needed for the SimplifiedGeometryPropagator package. 0011 namespace Constants { 0012 static double constexpr speedOfLight = 29.9792458; //!< Speed of light [cm / ns] 0013 static double constexpr eMass = 0.0005109990615; //!< Electron mass[GeV] 0014 static double constexpr muMass = 0.1056583745; //!< Muon mass [GeV] 0015 static double constexpr epsilonDistance_ = 1.0e-7; //!< some epsilon for numerical comparisons 0016 static double constexpr NA = 6.022e+23; //!< Avogadro's number 0017 }; // namespace Constants 0018 } // namespace fastsim 0019 0020 #endif
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