Geant4  10.03.p01
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PhysicalConstants.h File Reference
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Namespaces

 CLHEP
 

Variables

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