GaudiKernel.PhysicalConstants Namespace Reference

Variables
float	pi = 3.14159265358979323846
int	twopi = 2 * pi
float	halfpi = pi / 2
float	pi2 = pi * pi
float	Avogadro = 6.02214076e23 / Units.mole
float	c_light = 2.99792458e8 * Units.m / Units.s
float	c_squared = c_light * c_light
float	h_Planck = 6.62607015e-34 * Units.joule * Units.s
float	hbar_Planck = h_Planck / twopi
float	hbarc = hbar_Planck * c_light
float	hbarc_squared = hbarc * hbarc
	electron_charge = -Units.eplus
	e_squared = Units.eplus * Units.eplus
float	electron_mass_c2 = 0.510998910 * Units.MeV
float	proton_mass_c2 = 938.272013 * Units.MeV
float	neutron_mass_c2 = 939.56536 * Units.MeV
float	amu_c2 = 931.494028 * Units.MeV
float	amu = amu_c2 / c_squared
int	mu0 = 4 * pi * 1.0e-7 * Units.henry / Units.m
float	epsilon0 = 1.0 / (c_squared * mu0)
	elm_coupling = e_squared / (4 * pi * epsilon0)
float	fine_structure_const = elm_coupling / hbarc
float	classic_electr_radius = elm_coupling / electron_mass_c2
float	electron_Compton_length = hbarc / electron_mass_c2
float	Bohr_radius = electron_Compton_length / fine_structure_const
float	alpha_rcl2 = fine_structure_const * classic_electr_radius * classic_electr_radius
tuple	twopi_mc2_rcl2
float	k_Boltzmann = 8.617333e-11 * Units.MeV / Units.kelvin
float	STP_Temperature = 273.15 * Units.kelvin
float	STP_Pressure = 1.0 * Units.atmosphere
float	kGasThreshold = 10.0 * Units.mg / Units.cm3
float	universe_mean_density = 1.0e-25 * Units.g / Units.cm3

Variable Documentation

alpha_rcl2

float GaudiKernel.PhysicalConstants.alpha_rcl2 = fine_structure_const * classic_electr_radius * classic_electr_radius

Definition at line 117 of file PhysicalConstants.py.

amu

float GaudiKernel.PhysicalConstants.amu = amu_c2 / c_squared

Definition at line 99 of file PhysicalConstants.py.

amu_c2

float GaudiKernel.PhysicalConstants.amu_c2 = 931.494028 * Units.MeV

Definition at line 98 of file PhysicalConstants.py.

Avogadro

float GaudiKernel.PhysicalConstants.Avogadro = 6.02214076e23 / Units.mole

Definition at line 66 of file PhysicalConstants.py.

Bohr_radius

float GaudiKernel.PhysicalConstants.Bohr_radius = electron_Compton_length / fine_structure_const

Definition at line 115 of file PhysicalConstants.py.

c_light

float GaudiKernel.PhysicalConstants.c_light = 2.99792458e8 * Units.m / Units.s

Definition at line 72 of file PhysicalConstants.py.

c_squared

float GaudiKernel.PhysicalConstants.c_squared = c_light * c_light

Definition at line 73 of file PhysicalConstants.py.

classic_electr_radius

float GaudiKernel.PhysicalConstants.classic_electr_radius = elm_coupling / electron_mass_c2

Definition at line 113 of file PhysicalConstants.py.

e_squared

GaudiKernel.PhysicalConstants.e_squared = Units.eplus * Units.eplus

Definition at line 89 of file PhysicalConstants.py.

electron_charge

GaudiKernel.PhysicalConstants.electron_charge = -Units.eplus

Definition at line 88 of file PhysicalConstants.py.

electron_Compton_length

float GaudiKernel.PhysicalConstants.electron_Compton_length = hbarc / electron_mass_c2

Definition at line 114 of file PhysicalConstants.py.

electron_mass_c2

float GaudiKernel.PhysicalConstants.electron_mass_c2 = 0.510998910 * Units.MeV

Definition at line 95 of file PhysicalConstants.py.

elm_coupling

GaudiKernel.PhysicalConstants.elm_coupling = e_squared / (4 * pi * epsilon0)

Definition at line 111 of file PhysicalConstants.py.

epsilon0

float GaudiKernel.PhysicalConstants.epsilon0 = 1.0 / (c_squared * mu0)

Definition at line 106 of file PhysicalConstants.py.

fine_structure_const

float GaudiKernel.PhysicalConstants.fine_structure_const = elm_coupling / hbarc

Definition at line 112 of file PhysicalConstants.py.

h_Planck

float GaudiKernel.PhysicalConstants.h_Planck = 6.62607015e-34 * Units.joule * Units.s

Definition at line 80 of file PhysicalConstants.py.

halfpi

float GaudiKernel.PhysicalConstants.halfpi = pi / 2

Definition at line 60 of file PhysicalConstants.py.

hbar_Planck

float GaudiKernel.PhysicalConstants.hbar_Planck = h_Planck / twopi

Definition at line 81 of file PhysicalConstants.py.

hbarc

float GaudiKernel.PhysicalConstants.hbarc = hbar_Planck * c_light

Definition at line 82 of file PhysicalConstants.py.

hbarc_squared

float GaudiKernel.PhysicalConstants.hbarc_squared = hbarc * hbarc

Definition at line 83 of file PhysicalConstants.py.

k_Boltzmann

float GaudiKernel.PhysicalConstants.k_Boltzmann = 8.617333e-11 * Units.MeV / Units.kelvin

Definition at line 125 of file PhysicalConstants.py.

kGasThreshold

float GaudiKernel.PhysicalConstants.kGasThreshold = 10.0 * Units.mg / Units.cm3

Definition at line 132 of file PhysicalConstants.py.

mu0

int GaudiKernel.PhysicalConstants.mu0 = 4 * pi * 1.0e-7 * Units.henry / Units.m

Definition at line 105 of file PhysicalConstants.py.

neutron_mass_c2

float GaudiKernel.PhysicalConstants.neutron_mass_c2 = 939.56536 * Units.MeV

Definition at line 97 of file PhysicalConstants.py.

pi

float GaudiKernel.PhysicalConstants.pi = 3.14159265358979323846

Definition at line 58 of file PhysicalConstants.py.

pi2

float GaudiKernel.PhysicalConstants.pi2 = pi * pi

Definition at line 61 of file PhysicalConstants.py.

proton_mass_c2

float GaudiKernel.PhysicalConstants.proton_mass_c2 = 938.272013 * Units.MeV

Definition at line 96 of file PhysicalConstants.py.

STP_Pressure

float GaudiKernel.PhysicalConstants.STP_Pressure = 1.0 * Units.atmosphere

Definition at line 131 of file PhysicalConstants.py.

STP_Temperature

float GaudiKernel.PhysicalConstants.STP_Temperature = 273.15 * Units.kelvin

Definition at line 130 of file PhysicalConstants.py.

twopi

int GaudiKernel.PhysicalConstants.twopi = 2 * pi

Definition at line 59 of file PhysicalConstants.py.

twopi_mc2_rcl2

tuple GaudiKernel.PhysicalConstants.twopi_mc2_rcl2

Initial value:

=  (
    twopi * electron_mass_c2 * classic_electr_radius * classic_electr_radius
)

Definition at line 119 of file PhysicalConstants.py.

universe_mean_density

float GaudiKernel.PhysicalConstants.universe_mean_density = 1.0e-25 * Units.g / Units.cm3

Definition at line 137 of file PhysicalConstants.py.