Physics.h

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//
// Class Physics
//   A namespace defining various mathematical and physical constants.
//
// Copyright (c) 2015-2021, Christof Metzger-Kraus, Helmholtz-Zentrum Berlin
//                          Pedro Calvo, CIEMAT, Spain
// All rights reserved
//
// Implemented as part of the PhD thesis
// "Optimizing the radioisotope production of the novel AMIT
// superconducting weak focusing cyclotron"
//
// This file is part of OPAL.
//
// OPAL is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// You should have received a copy of the GNU General Public License
// along with OPAL. If not, see <https://www.gnu.org/licenses/>.
//
#ifndef CLASSIC_Physics_HH
#define CLASSIC_Physics_HH
 
 
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_alpha    = 4.001506179127 * 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