| # Gaudi Framework, version v21r9 |

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# PhysicalConstants Namespace Reference

## Variables
float | pi = 3.14159265358979323846
int | twopi = 2
int | halfpi = 2
| pi2 = pi*pi
float | Avogadro = 6.0221367e+23
float | c_light = 2.99792458e+8
| c_squared = c_light*c_light
float | h_Planck = 6.6260755e-34
| hbar_Planck = h_Planck/twopi
| hbarc = hbar_Planck*c_light
| hbarc_squared = hbarc*hbarc
| electron_charge = -eplus
| e_squared = eplus*eplus
float | electron_mass_c2 = 0.51099906
float | proton_mass_c2 = 938.27231
float | neutron_mass_c2 = 939.56563
float | amu_c2 = 931.49432
| amu = amu_c2/c_squared
int | mu0 = 4
int | epsilon0 = 1
tuple | elm_coupling = e_squared/(4*pi*epsilon0)
| fine_structure_const = elm_coupling/hbarc
| classic_electr_radius = elm_coupling/electron_mass_c2
| electron_Compton_length = hbarc/electron_mass_c2
| Bohr_radius = electron_Compton_length/fine_structure_const
| alpha_rcl2 = fine_structure_const*classic_electr_radius*classic_electr_radius
| twopi_mc2_rcl2 = twopi*electron_mass_c2*classic_electr_radius*classic_electr_radius
float | k_Boltzmann = 8.617385e-11
float | STP_Temperature = 273.15
int | STP_Pressure = 1
int | kGasThreshold = 10
int | universe_mean_density = 1

## Variable Documentation

PhysicalConstants::alpha_rcl2 = fine_structure_const*classic_electr_radius*classic_electr_radius

Definition at line 106 of file PhysicalConstants.py.

PhysicalConstants::amu = amu_c2/c_squared

Definition at line 88 of file PhysicalConstants.py.

float PhysicalConstants::amu_c2 = 931.49432

Definition at line 87 of file PhysicalConstants.py.

float PhysicalConstants::Avogadro = 6.0221367e+23

Definition at line 55 of file PhysicalConstants.py.

PhysicalConstants::Bohr_radius = electron_Compton_length/fine_structure_const

Definition at line 104 of file PhysicalConstants.py.

float PhysicalConstants::c_light = 2.99792458e+8

Definition at line 61 of file PhysicalConstants.py.

PhysicalConstants::c_squared = c_light*c_light

Definition at line 62 of file PhysicalConstants.py.

PhysicalConstants::classic_electr_radius = elm_coupling/electron_mass_c2

Definition at line 102 of file PhysicalConstants.py.

PhysicalConstants::e_squared = eplus*eplus

Definition at line 78 of file PhysicalConstants.py.

PhysicalConstants::electron_charge = -eplus

Definition at line 77 of file PhysicalConstants.py.

PhysicalConstants::electron_Compton_length = hbarc/electron_mass_c2

Definition at line 103 of file PhysicalConstants.py.

float PhysicalConstants::electron_mass_c2 = 0.51099906

Definition at line 84 of file PhysicalConstants.py.

tuple PhysicalConstants::elm_coupling = e_squared/(4*pi*epsilon0)

Definition at line 100 of file PhysicalConstants.py.

int PhysicalConstants::epsilon0 = 1

Definition at line 95 of file PhysicalConstants.py.

PhysicalConstants::fine_structure_const = elm_coupling/hbarc

Definition at line 101 of file PhysicalConstants.py.

float PhysicalConstants::h_Planck = 6.6260755e-34

Definition at line 69 of file PhysicalConstants.py.

int PhysicalConstants::halfpi = 2

Definition at line 49 of file PhysicalConstants.py.

PhysicalConstants::hbar_Planck = h_Planck/twopi

Definition at line 70 of file PhysicalConstants.py.

PhysicalConstants::hbarc = hbar_Planck*c_light

Definition at line 71 of file PhysicalConstants.py.

PhysicalConstants::hbarc_squared = hbarc*hbarc

Definition at line 72 of file PhysicalConstants.py.

float PhysicalConstants::k_Boltzmann = 8.617385e-11

Definition at line 112 of file PhysicalConstants.py.

int PhysicalConstants::kGasThreshold = 10

Definition at line 119 of file PhysicalConstants.py.

int PhysicalConstants::mu0 = 4

Definition at line 94 of file PhysicalConstants.py.

float PhysicalConstants::neutron_mass_c2 = 939.56563

Definition at line 86 of file PhysicalConstants.py.

float PhysicalConstants::pi = 3.14159265358979323846

Definition at line 47 of file PhysicalConstants.py.

PhysicalConstants::pi2 = pi*pi

Definition at line 50 of file PhysicalConstants.py.

float PhysicalConstants::proton_mass_c2 = 938.27231

Definition at line 85 of file PhysicalConstants.py.

int PhysicalConstants::STP_Pressure = 1

Definition at line 118 of file PhysicalConstants.py.

float PhysicalConstants::STP_Temperature = 273.15

Definition at line 117 of file PhysicalConstants.py.

int PhysicalConstants::twopi = 2

Definition at line 48 of file PhysicalConstants.py.

PhysicalConstants::twopi_mc2_rcl2 = twopi*electron_mass_c2*classic_electr_radius*classic_electr_radius

Definition at line 108 of file PhysicalConstants.py.

int PhysicalConstants::universe_mean_density = 1

Definition at line 124 of file PhysicalConstants.py.