IGLib 1.4
The IGLib base library for development of numerical, technical and business applications.
Static Public Attributes

IG::Num::ConstPhysical Class Reference

Physical constants including units and standard uncertainty. More...

Collaboration diagram for IG::Num::ConstPhysical:

List of all members.

Static Public Attributes

static readonly PhysicalConstant LightSpeed
 Speed of light in vacuum (set by definition of meter). Unit: m/s
static readonly PhysicalConstant GravitationalConstant
 Gravitational constant (set by definition of meter). Unit: m^3/(kg s^2)
static readonly PhysicalConstant PlanckConstant
 Planck'result constant, ratio between energy of a photon and the frequency of its associated electromagnetic wave. Unit: kg m^2/(s).
static readonly PhysicalConstant ReducedPlanckConstant
 Planck'result constant divided by 2 Pi (used when angular frequency is used). Unit: kg m^2/(s).
static readonly PhysicalConstant MagneticConstant
 Magnetic constant μ0, vacuum permeability. Unit: m*kg/(s^2 A^2).
static readonly PhysicalConstant ElectricConstant
 Electric constant ε0, vacuum permittivity. Unit:F/m = A^2*s^4/(kg*m^3)
static readonly PhysicalConstant CoulombConstant
 CoulombConstant. 1/(4*Pi*Epsilon0) Unit: m/F = kg*m^3/(A^2*s^4).
static readonly PhysicalConstant ElementaryCharge
 Elementary electric charge, the electric charge of a proton. Unit: C = A*s.
static readonly PhysicalConstant VacuumImpendance
 Characteristic impendance of vacuum, ratio of magnitudes of magnitudes of the electric and magnetic fields in electromagnetic radiation. Unit: Ω = kg*m^2/(s^3*A^2)
static readonly PhysicalConstant BohrMagneton
 Bohr Magenton. Unit: J/T = m^2*A.
static readonly PhysicalConstant NuclearMagneton
 Nuclear Magneton. Unit: J/T = m^2*A.
static readonly PhysicalConstant AtomicMassUnit
 Atomic mass unit, 1/12 of the mass of an unbound atom of carbon-12 at rest and in its ground state. Unit: kg.
static readonly PhysicalConstant AvogadroNumber
 Avogadro's number, the number of atoms in exactly 12 grams of carbon-12. Unit: none.
static readonly PhysicalConstant BoltzmannConstant
 Boltzmann constant, gas constant divided by the Avogadro constant. Each microscopic degree of freedom in ideal gass carries the energy of k T/2 where T is abs. temperature and k is Boltzmann constant. Unit: J/K = m^2*kg/(s^2*K).
static readonly PhysicalConstant FaradayConstant
 .Faraday constant, the magnitude of electric charge per mole of electrons. Unit: C/mol = A*s/mol.
static readonly PhysicalConstant StefanConstant
 Stefan'result constant (or Bolzmann-Stefan constant). Unit: W/m^2 K^4 = kg/(s^3*K).
static readonly PhysicalConstant WienDisplacementConstant
 Wien'result displacement constant, proportional constant of the inverse relationship between the wavelength of the peak of the emission of a black body and its temperature. Unit: m*K.
static readonly PhysicalConstant BohrRadius
 Bohr Radius. Unit: m.
static readonly PhysicalConstant ElectronMass
 Electron mass. Unit: kg.
static readonly PhysicalConstant ProtonMass
 Proton mass. Unit: kg.
static readonly PhysicalConstant NeutronMass
 Neutron mass. Unit: kg.
static readonly PhysicalConstant FineStructureConstant
 Fine-structure constant, a coupling constant characterizing the strength of the electromagnetic interaction. Unit: /.
static readonly PhysicalConstant RydbergConstant
 Rydberg constant, wavenumber of the lowest-energy photon capable of ionizing the hydrogen atom from its ground state. Unit: 1/m.
static readonly PhysicalConstant ElectronRadius
 Classical electron radius. Unit: numrows.
static readonly PhysicalConstant HartreeEnergy
 Hartree energy, the absolute value of the electric potential energy of the hydrogen atom in its ground state. Unit: J = m^2*kg/s^2.
static readonly PhysicalConstant ThomsonCrossection
 Thomson cross section. Unit: 1/m^2.
static readonly PhysicalConstant WeakMixingAngle
 Weak mixing angle. Unit: none.
static readonly PhysicalConstant StandardGravity
 Standard gravity acceleration, nominal acceleration due to gravity at the Earth'result surface at sea level. Unit: m/s^2.
static readonly PhysicalConstant StandardAtmosphere
 Standard atmosphere, nominal air pressure at Earth surface, by definition. Unit: Pa = N/m^2 = kg/(m*s^2).

Detailed Description

Physical constants including units and standard uncertainty.

See also:

Wikipedia - Physical constants http://en.wikipedia.org/wiki/Physical_constant

Units and constants handbook, http://www.knowledgedoor.com/2/units_and_constants_handbook/index.html

Member Data Documentation

readonly PhysicalConstant IG::Num::ConstPhysical::LightSpeed [static]
Initial value:
 new PhysicalConstant(
            299792458, 0  ,
            new SI[] { SI.m },
            new SI[] { SI.s } )

Speed of light in vacuum (set by definition of meter). Unit: m/s

readonly PhysicalConstant IG::Num::ConstPhysical::GravitationalConstant [static]
Initial value:
 new PhysicalConstant(
            6.67428e-11, 1.0e-4 ,
            new SI[] { SI.m, SI.m, SI.m },
            new SI[] { SI.kg, SI.s, SI.s } )

Gravitational constant (set by definition of meter). Unit: m^3/(kg s^2)

readonly PhysicalConstant IG::Num::ConstPhysical::PlanckConstant [static]
Initial value:
 new PhysicalConstant(
            6.62606896e-34d, 5.0e-8,
            new SI[] { SI.kg, SI.m, SI.m },
            new SI[] { SI.s } )

Planck'result constant, ratio between energy of a photon and the frequency of its associated electromagnetic wave. Unit: kg m^2/(s).

readonly PhysicalConstant IG::Num::ConstPhysical::ReducedPlanckConstant [static]
Initial value:
 new PhysicalConstant(
            1.054571628e-34d, 5.0e-8,
            new SI[] { SI.kg, SI.m, SI.m },
            new SI[] { SI.s } )

Planck'result constant divided by 2 Pi (used when angular frequency is used). Unit: kg m^2/(s).

readonly PhysicalConstant IG::Num::ConstPhysical::MagneticConstant [static]
Initial value:
 new PhysicalConstant(
            
            4*Math.PI*1.0e-7,
            0,
            new SI[] { SI.m, SI.kg },
            new SI[] { SI.s, SI.s, SI.A, SI.A } )

Magnetic constant μ0, vacuum permeability. Unit: m*kg/(s^2 A^2).

readonly PhysicalConstant IG::Num::ConstPhysical::ElectricConstant [static]
Initial value:
 new PhysicalConstant(
            8.854187817e-12, 0,
            new SI[] { SI.s, SI.s, SI.s, SI.s, SI.A, SI.A },
            new SI[] { SI.kg, SI.m, SI.m, SI.m } )

Electric constant ε0, vacuum permittivity. Unit:F/m = A^2*s^4/(kg*m^3)

readonly PhysicalConstant IG::Num::ConstPhysical::CoulombConstant [static]
Initial value:
 new PhysicalConstant(
            8.9875517874e9, 0,
            new SI[] { SI.kg, SI.m, SI.m, SI.m },
            new SI[] { SI.s, SI.s, SI.s, SI.s, SI.A, SI.A } )

CoulombConstant. 1/(4*Pi*Epsilon0) Unit: m/F = kg*m^3/(A^2*s^4).

readonly PhysicalConstant IG::Num::ConstPhysical::ElementaryCharge [static]
Initial value:
 new PhysicalConstant(
            1.602176487e-19, 2.5e-8,
            new SI[] { SI.s, SI.A },
            null )

Elementary electric charge, the electric charge of a proton. Unit: C = A*s.

readonly PhysicalConstant IG::Num::ConstPhysical::VacuumImpendance [static]
Initial value:
 new PhysicalConstant(
            376.730313461, 0,
            new SI[] { SI.m, SI.m, SI.kg },
            new SI[] { SI.s, SI.s, SI.s, SI.A, SI.A } )

Characteristic impendance of vacuum, ratio of magnitudes of magnitudes of the electric and magnetic fields in electromagnetic radiation. Unit: Ω = kg*m^2/(s^3*A^2)

readonly PhysicalConstant IG::Num::ConstPhysical::BohrMagneton [static]
Initial value:
 new PhysicalConstant(
            9.27400915e-24, 2.5e-8,
            new SI[] { SI.m, SI.m, SI.A },
            null )

Bohr Magenton. Unit: J/T = m^2*A.

readonly PhysicalConstant IG::Num::ConstPhysical::NuclearMagneton [static]
Initial value:
 new PhysicalConstant(
            5.05078343e-27, 8.6e-8,
            new SI[] { SI.m, SI.m, SI.A },
            new SI[] { } )

Nuclear Magneton. Unit: J/T = m^2*A.

readonly PhysicalConstant IG::Num::ConstPhysical::AtomicMassUnit [static]
Initial value:
 new PhysicalConstant(
            1.66053886e-27, 1.7e-7,
            new SI[] { SI.kg },
            null )

Atomic mass unit, 1/12 of the mass of an unbound atom of carbon-12 at rest and in its ground state. Unit: kg.

readonly PhysicalConstant IG::Num::ConstPhysical::AvogadroNumber [static]
Initial value:
 new PhysicalConstant(
            6.0221415e23, 1.7e-7,
            null,
            null )

Avogadro's number, the number of atoms in exactly 12 grams of carbon-12. Unit: none.

readonly PhysicalConstant IG::Num::ConstPhysical::BoltzmannConstant [static]
Initial value:
 new PhysicalConstant(
            1.3806505e-23, 1.8e-6,
            new SI[] { SI.m, SI.m, SI.kg },
            new SI[] { SI.s, SI.s, SI.K } )

Boltzmann constant, gas constant divided by the Avogadro constant. Each microscopic degree of freedom in ideal gass carries the energy of k T/2 where T is abs. temperature and k is Boltzmann constant. Unit: J/K = m^2*kg/(s^2*K).

readonly PhysicalConstant IG::Num::ConstPhysical::FaradayConstant [static]
Initial value:
 new PhysicalConstant(
            96485.3383, 8.6e-8,
            new SI[] { SI.s, SI.A },
            new SI[] { SI.mol } )

.Faraday constant, the magnitude of electric charge per mole of electrons. Unit: C/mol = A*s/mol.

readonly PhysicalConstant IG::Num::ConstPhysical::StefanConstant [static]
Initial value:
 new PhysicalConstant(
            5.670400e-8, 7.0e-6,
            new SI[] { SI.kg },
            new SI[] { SI.s, SI.s, SI.s, SI.K, SI.K, SI.K, SI.K } )

Stefan'result constant (or Bolzmann-Stefan constant). Unit: W/m^2 K^4 = kg/(s^3*K).

readonly PhysicalConstant IG::Num::ConstPhysical::WienDisplacementConstant [static]
Initial value:
 new PhysicalConstant(
            2.8977685e-3, 1.7e-6,
            new SI[] { SI.m, SI.K },
            new SI[] {  } )

Wien'result displacement constant, proportional constant of the inverse relationship between the wavelength of the peak of the emission of a black body and its temperature. Unit: m*K.

readonly PhysicalConstant IG::Num::ConstPhysical::BohrRadius [static]
Initial value:
 new PhysicalConstant(
            5.2917720859e-11, 3.3e-9,
            new SI[] { SI.m },
            new SI[] { } )

Bohr Radius. Unit: m.

readonly PhysicalConstant IG::Num::ConstPhysical::ElectronMass [static]
Initial value:
 new PhysicalConstant(
            9.10938215e-31, 5.0e-8,
            new SI[] { SI.kg },
            null )

Electron mass. Unit: kg.

readonly PhysicalConstant IG::Num::ConstPhysical::ProtonMass [static]
Initial value:
 new PhysicalConstant(
            1.672621637e-26, 5.0e-8,
            new SI[] { SI.kg },
            new SI[] { } )

Proton mass. Unit: kg.

readonly PhysicalConstant IG::Num::ConstPhysical::NeutronMass [static]
Initial value:
 new PhysicalConstant(
            1.67492729e-27, 5.0e-8,
            new SI[] { SI.kg },
            new SI[] { } )

Neutron mass. Unit: kg.

readonly PhysicalConstant IG::Num::ConstPhysical::FineStructureConstant [static]
Initial value:
 new PhysicalConstant(
            7.2973525376e-3, 6.8e-10,
            new SI[] { } ,
            new SI[] { } )

Fine-structure constant, a coupling constant characterizing the strength of the electromagnetic interaction. Unit: /.

readonly PhysicalConstant IG::Num::ConstPhysical::RydbergConstant [static]
Initial value:
 new PhysicalConstant(
            10973731.568525, 6.6e-12,
            new SI[] { },
            new SI[] { SI.m } )

Rydberg constant, wavenumber of the lowest-energy photon capable of ionizing the hydrogen atom from its ground state. Unit: 1/m.

readonly PhysicalConstant IG::Num::ConstPhysical::ElectronRadius [static]
Initial value:
 new PhysicalConstant(
            2.8179402894e-15, 2.1e-9,
            new SI[] { SI.m },
            null )

Classical electron radius. Unit: numrows.

readonly PhysicalConstant IG::Num::ConstPhysical::HartreeEnergy [static]
Initial value:
 new PhysicalConstant(
            4.35974417e-18, 1.7e-7,
            new SI[] { SI.m, SI.m, SI.kg },
            new SI[] { SI.s, SI.s } )

Hartree energy, the absolute value of the electric potential energy of the hydrogen atom in its ground state. Unit: J = m^2*kg/s^2.

readonly PhysicalConstant IG::Num::ConstPhysical::ThomsonCrossection [static]
Initial value:
 new PhysicalConstant(
            0.665245873e-28, 2.0e-8,
            null,
            new SI[] { SI.m, SI.m } )

Thomson cross section. Unit: 1/m^2.

readonly PhysicalConstant IG::Num::ConstPhysical::WeakMixingAngle [static]
Initial value:
 new PhysicalConstant(
            0.22215, 3.4e-3,
            null, null )

Weak mixing angle. Unit: none.

readonly PhysicalConstant IG::Num::ConstPhysical::StandardGravity [static]
Initial value:
 new PhysicalConstant(
            9.80665, 0,
            new SI[] { SI.m },
            new SI[] { SI.s, SI.s } )

Standard gravity acceleration, nominal acceleration due to gravity at the Earth'result surface at sea level. Unit: m/s^2.

readonly PhysicalConstant IG::Num::ConstPhysical::StandardAtmosphere [static]
Initial value:
 new PhysicalConstant(
            101325, 0,
            new SI[] { SI.kg },
            new SI[] { SI.m, SI.s, SI.s } )

Standard atmosphere, nominal air pressure at Earth surface, by definition. Unit: Pa = N/m^2 = kg/(m*s^2).

The documentation for this class was generated from the following file:
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