| The Gaudi Framework v32r1 (f65d50dc)

Namespaces | Variables
PhysicalConstants.py File Reference

Go to the source code of this file.

## Namespaces
| GaudiKernel.PhysicalConstants

## Variables
float | GaudiKernel.PhysicalConstants.pi = 3.14159265358979323846
int | GaudiKernel.PhysicalConstants.twopi = 2 * pi
float | GaudiKernel.PhysicalConstants.halfpi = pi / 2
float | GaudiKernel.PhysicalConstants.pi2 = pi * pi
float | GaudiKernel.PhysicalConstants.Avogadro = 6.0221367e+23 / mole
float | GaudiKernel.PhysicalConstants.c_light = 2.99792458e+8 * m / s
float | GaudiKernel.PhysicalConstants.c_squared = c_light * c_light
float | GaudiKernel.PhysicalConstants.h_Planck = 6.6260755e-34 * joule * s
float | GaudiKernel.PhysicalConstants.hbar_Planck = h_Planck / twopi
float | GaudiKernel.PhysicalConstants.hbarc = hbar_Planck * c_light
float | GaudiKernel.PhysicalConstants.hbarc_squared = hbarc * hbarc
| GaudiKernel.PhysicalConstants.electron_charge = -eplus
| GaudiKernel.PhysicalConstants.e_squared = eplus * eplus
float | GaudiKernel.PhysicalConstants.electron_mass_c2 = 0.51099906 * MeV
float | GaudiKernel.PhysicalConstants.proton_mass_c2 = 938.27231 * MeV
float | GaudiKernel.PhysicalConstants.neutron_mass_c2 = 939.56563 * MeV
float | GaudiKernel.PhysicalConstants.amu_c2 = 931.49432 * MeV
float | GaudiKernel.PhysicalConstants.amu = amu_c2 / c_squared
int | GaudiKernel.PhysicalConstants.mu0 = 4 * pi * 1.e-7 * henry / m
int | GaudiKernel.PhysicalConstants.epsilon0 = 1. / (c_squared * mu0)
| GaudiKernel.PhysicalConstants.elm_coupling = e_squared / (4 * pi * epsilon0)
float | GaudiKernel.PhysicalConstants.fine_structure_const = elm_coupling / hbarc
float | GaudiKernel.PhysicalConstants.classic_electr_radius = elm_coupling / electron_mass_c2
float | GaudiKernel.PhysicalConstants.electron_Compton_length = hbarc / electron_mass_c2
float | GaudiKernel.PhysicalConstants.Bohr_radius = electron_Compton_length / fine_structure_const
float | GaudiKernel.PhysicalConstants.alpha_rcl2 = fine_structure_const * classic_electr_radius * classic_electr_radius
int | GaudiKernel.PhysicalConstants.twopi_mc2_rcl2 = twopi * electron_mass_c2 * \
float | GaudiKernel.PhysicalConstants.k_Boltzmann = 8.617385e-11 * MeV / kelvin
float | GaudiKernel.PhysicalConstants.STP_Temperature = 273.15 * kelvin
int | GaudiKernel.PhysicalConstants.STP_Pressure = 1. * atmosphere
int | GaudiKernel.PhysicalConstants.kGasThreshold = 10. * mg / cm3
int | GaudiKernel.PhysicalConstants.universe_mean_density = 1.e-25 * g / cm3