Physics.h

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#ifndef CLASSIC_Physics_HH
#define CLASSIC_Physics_HH

// ------------------------------------------------------------------------
// $RCSfile: Physics.h,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Namespace: Physics
//
// ------------------------------------------------------------------------
// Class category: Physics
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:32:37 $
// $Author: fci $
//
// ------------------------------------------------------------------------


// Class Physics
// ------------------------------------------------------------------------

namespace Physics {

    constexpr double pi         = 3.14159265358979323846;

    constexpr double two_pi     = 2 * pi;

    constexpr double u_two_pi   = 1.0 / two_pi;

    constexpr double e          = 2.7182818284590452354;

    constexpr double log10e     = 0.43429448190325182765;

    constexpr double rad2deg    = 180.0 / pi;

    constexpr double deg2rad    = 1.0 / rad2deg;

    constexpr double c          = 299792458.0;

    constexpr double mu_0       = 1.25663706212e-06;

    constexpr double epsilon_0  = 8.8541878128e-12;

    constexpr double h_bar      = 6.582119569e-25;

    constexpr double Avo        = 6.02214076e23;

    constexpr double kB         = 8.617333262e-5;

    constexpr double E_ryd      = 13.605693122994e-9;

    constexpr double a0         = 5.29177210903e-11;

    constexpr double q_e        = 1.602176634e-19;

    constexpr double alpha      = 7.2973525693e-03;

    constexpr double amu        = 0.93149410242;

    constexpr double m_e        = 0.51099895000e-03;

    constexpr double r_e        = 2.8179403262e-15;

    constexpr double lamda_e    = 3.8615926796e-13;

    constexpr double a_e        = 1.15965218128e-03;

    constexpr double m_p        = 0.93827208816e+00;

    constexpr double r_p        = 1.53469857e-18;

    constexpr double lamda_p    = 2.10308910336e-16;

    constexpr double a_p        = 1.792847386e+00;

    constexpr double z_p        = 1;

    constexpr double m_c        = 12 * amu;

    constexpr double m_hm       = 1.00837 * amu;

    constexpr double m_u        = 238.050787 * amu;

    constexpr double m_mu       = 0.1056583755;

    constexpr double m_d        = 2.013553212745 * amu;

    constexpr double m_xe       = 124 * amu;

    constexpr double m_h        = 1.00782503224 * amu;

    constexpr double m_h2p       = 2.01510 * amu;

    constexpr double m_h3p       = 3.02293 * amu;

    constexpr double PMASS      = 1.67262192369e-27;  // kg

    constexpr double EMASS      = 9.1093837015e-31; // kg

    constexpr double PCHARGE    = 1.602176634e-19; // C

    // alfven current
    constexpr double Ia         = 17.045148e+03;
    // e/m - electron charge to mass quotient
    constexpr double e0m        = 1.75882001076e+11;
    // e/mc
    constexpr double e0mc       = e0m / c;

};

#endif // CLASSIC_Physics_HH