TGeoPhysicalConstants.h File Reference

#include "TGeoSystemOfUnits.h"

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Namespaces
namespace	TGeoUnit

Variables
static constexpr double	TGeoUnit::alpha_rcl2 = fine_structure_const * classic_electr_radius * classic_electr_radius
static constexpr double	TGeoUnit::amu = amu_c2 / c_squared
static constexpr double	TGeoUnit::amu_c2 = 931.494028 * MeV
static constexpr double	TGeoUnit::Avogadro = 6.02214179e+23 / mole
static constexpr double	TGeoUnit::Bohr_radius = electron_Compton_length / fine_structure_const
static constexpr double	TGeoUnit::c_light = 2.99792458e+8 * m / s
static constexpr double	TGeoUnit::c_squared = c_light * c_light
static constexpr double	TGeoUnit::classic_electr_radius = elm_coupling / electron_mass_c2
static constexpr double	TGeoUnit::e_squared = eplus * eplus
static constexpr double	TGeoUnit::electron_charge = -eplus
static constexpr double	TGeoUnit::electron_Compton_length = hbarc / electron_mass_c2
static constexpr double	TGeoUnit::electron_mass_c2 = 0.510998910 * MeV
static constexpr double	TGeoUnit::elm_coupling = e_squared / (4 * pi * epsilon0)
static constexpr double	TGeoUnit::epsilon0 = 1. / (c_squared * mu0)
static constexpr double	TGeoUnit::fine_structure_const = elm_coupling / hbarc
static constexpr double	TGeoUnit::h_Planck = 6.62606896e-34 * joule * s
static constexpr double	TGeoUnit::hbar_Planck = h_Planck / twopi
static constexpr double	TGeoUnit::hbarc = hbar_Planck * c_light
static constexpr double	TGeoUnit::hbarc_squared = hbarc * hbarc
static constexpr double	TGeoUnit::k_Boltzmann = 8.617343e-11 * MeV / kelvin
static constexpr double	TGeoUnit::kGasThreshold = 10. * mg / cm3
static constexpr double	TGeoUnit::mu0 = 4 * pi * 1.e-7 * henry / m
static constexpr double	TGeoUnit::neutron_mass_c2 = 939.56536 * MeV
static constexpr double	TGeoUnit::proton_mass_c2 = 938.272013 * MeV
static constexpr double	TGeoUnit::STP_Pressure = 1. * atmosphere
static constexpr double	TGeoUnit::STP_Temperature = 273.15 * kelvin
static constexpr double	TGeoUnit::twopi_mc2_rcl2 = twopi * electron_mass_c2 * classic_electr_radius * classic_electr_radius
static constexpr double	TGeoUnit::universe_mean_density = 1.e-25 * g / cm3