Crate physical_constants[−][src]
Provides access to the CODATA recommended 2018 values for physical constants.
Examples
use physical_constants; let epsilon_0 = physical_constants::VACUUM_ELECTRIC_PERMITTIVITY; let mu_0 = physical_constants::VACUUM_MAG_PERMEABILITY; println!("speed of massless particles: {} m/s", 1f64/(epsilon_0*mu_0).sqrt()); println!("impedance of free space: {} Ω", (mu_0/epsilon_0).sqrt());
Constants
ALPHA_PARTICLE_ELECTRON_MASS_RATIO | alpha particle-electron mass ratio (dimensionless) |
ALPHA_PARTICLE_MASS | alpha particle mass (unit: kg) |
ALPHA_PARTICLE_MASS_ENERGY_EQUIVALENT | alpha particle mass energy equivalent (unit: J) |
ALPHA_PARTICLE_MASS_ENERGY_EQUIVALENT_IN_MEV | alpha particle mass energy equivalent in MeV (unit: MeV) |
ALPHA_PARTICLE_MASS_IN_U | alpha particle mass in u (unit: u) |
ALPHA_PARTICLE_MOLAR_MASS | alpha particle molar mass (unit: kg⋅mol-1) |
ALPHA_PARTICLE_PROTON_MASS_RATIO | alpha particle-proton mass ratio (dimensionless) |
ALPHA_PARTICLE_RELATIVE_ATOMIC_MASS | alpha particle relative atomic mass (dimensionless) |
ANGSTROM_STAR | Angstrom star (unit: m) |
ATOMIC_MASS_CONSTANT | atomic mass constant (unit: kg) |
ATOMIC_MASS_CONSTANT_ENERGY_EQUIVALENT | atomic mass constant energy equivalent (unit: J) |
ATOMIC_MASS_CONSTANT_ENERGY_EQUIVALENT_IN_MEV | atomic mass constant energy equivalent in MeV (unit: MeV) |
ATOMIC_MASS_UNIT_ELECTRON_VOLT_RELATIONSHIP | atomic mass unit-electron volt relationship (unit: eV) |
ATOMIC_MASS_UNIT_HARTREE_RELATIONSHIP | atomic mass unit-hartree relationship (unit: E_h) |
ATOMIC_MASS_UNIT_HERTZ_RELATIONSHIP | atomic mass unit-hertz relationship (unit: Hz) |
ATOMIC_MASS_UNIT_INVERSE_METER_RELATIONSHIP | atomic mass unit-inverse meter relationship (unit: m-1) |
ATOMIC_MASS_UNIT_JOULE_RELATIONSHIP | atomic mass unit-joule relationship (unit: J) |
ATOMIC_MASS_UNIT_KELVIN_RELATIONSHIP | atomic mass unit-kelvin relationship (unit: K) |
ATOMIC_MASS_UNIT_KILOGRAM_RELATIONSHIP | atomic mass unit-kilogram relationship (unit: kg) |
ATOMIC_UNIT_OF_1ST_HYPERPOLARIZABILITY | atomic unit of 1st hyperpolarizability (unit: C3⋅m3⋅J-2) |
ATOMIC_UNIT_OF_2ND_HYPERPOLARIZABILITY | atomic unit of 2nd hyperpolarizability (unit: C4⋅m4⋅J-3) |
ATOMIC_UNIT_OF_ACTION | atomic unit of action (unit: J⋅s) |
ATOMIC_UNIT_OF_CHARGE | atomic unit of charge (unit: C) |
ATOMIC_UNIT_OF_CHARGE_DENSITY | atomic unit of charge density (unit: C⋅m-3) |
ATOMIC_UNIT_OF_CURRENT | atomic unit of current (unit: A) |
ATOMIC_UNIT_OF_ELECTRIC_DIPOLE_MOM | atomic unit of electric dipole mom. (unit: C⋅m) |
ATOMIC_UNIT_OF_ELECTRIC_FIELD | atomic unit of electric field (unit: V⋅m-1) |
ATOMIC_UNIT_OF_ELECTRIC_FIELD_GRADIENT | atomic unit of electric field gradient (unit: V⋅m-2) |
ATOMIC_UNIT_OF_ELECTRIC_POLARIZABILITY | atomic unit of electric polarizability (unit: C2⋅m2⋅J-1) |
ATOMIC_UNIT_OF_ELECTRIC_POTENTIAL | atomic unit of electric potential (unit: V) |
ATOMIC_UNIT_OF_ELECTRIC_QUADRUPOLE_MOM | atomic unit of electric quadrupole mom. (unit: C⋅m2) |
ATOMIC_UNIT_OF_ENERGY | atomic unit of energy (unit: J) |
ATOMIC_UNIT_OF_FORCE | atomic unit of force (unit: N) |
ATOMIC_UNIT_OF_LENGTH | atomic unit of length (unit: m) |
ATOMIC_UNIT_OF_MAGNETIZABILITY | atomic unit of magnetizability (unit: J⋅T-2) |
ATOMIC_UNIT_OF_MAG_DIPOLE_MOM | atomic unit of mag. dipole mom. (unit: J⋅T-1) |
ATOMIC_UNIT_OF_MAG_FLUX_DENSITY | atomic unit of mag. flux density (unit: T) |
ATOMIC_UNIT_OF_MASS | atomic unit of mass (unit: kg) |
ATOMIC_UNIT_OF_MOMENTUM | atomic unit of momentum (unit: kg⋅m⋅s-1) |
ATOMIC_UNIT_OF_PERMITTIVITY | atomic unit of permittivity (unit: F⋅m-1) |
ATOMIC_UNIT_OF_TIME | atomic unit of time (unit: s) |
ATOMIC_UNIT_OF_VELOCITY | atomic unit of velocity (unit: m⋅s-1) |
AVOGADRO_CONSTANT | Avogadro constant (unit: mol-1) |
BOHR_MAGNETON | Bohr magneton (unit: J⋅T-1) |
BOHR_MAGNETON_IN_EV_PER_T | Bohr magneton in eV/T (unit: eV⋅T-1) |
BOHR_MAGNETON_IN_HZ_PER_T | Bohr magneton in Hz/T (unit: Hz⋅T-1) |
BOHR_MAGNETON_IN_INVERSE_METER_PER_TESLA | Bohr magneton in inverse meter per tesla (unit: m-1⋅T-1) |
BOHR_MAGNETON_IN_K_PER_T | Bohr magneton in K/T (unit: K⋅T-1) |
BOHR_RADIUS | Bohr radius (unit: m) |
BOLTZMANN_CONSTANT | Boltzmann constant (unit: J⋅K-1) |
BOLTZMANN_CONSTANT_IN_EV_PER_K | Boltzmann constant in eV/K (unit: eV⋅K-1) |
BOLTZMANN_CONSTANT_IN_HZ_PER_K | Boltzmann constant in Hz/K (unit: Hz⋅K-1) |
BOLTZMANN_CONSTANT_IN_INVERSE_METER_PER_KELVIN | Boltzmann constant in inverse meter per kelvin (unit: m-1⋅K-1) |
CHARACTERISTIC_IMPEDANCE_OF_VACUUM | characteristic impedance of vacuum (unit: ohm) |
CLASSICAL_ELECTRON_RADIUS | classical electron radius (unit: m) |
COMPTON_WAVELENGTH | Compton wavelength (unit: m) |
CONDUCTANCE_QUANTUM | conductance quantum (unit: S) |
CONVENTIONAL_VALUE_OF_AMPERE_90 | conventional value of ampere-90 (unit: A) |
CONVENTIONAL_VALUE_OF_COULOMB_90 | conventional value of coulomb-90 (unit: C) |
CONVENTIONAL_VALUE_OF_FARAD_90 | conventional value of farad-90 (unit: F) |
CONVENTIONAL_VALUE_OF_HENRY_90 | conventional value of henry-90 (unit: H) |
CONVENTIONAL_VALUE_OF_JOSEPHSON_CONSTANT | conventional value of Josephson constant (unit: Hz⋅V-1) |
CONVENTIONAL_VALUE_OF_OHM_90 | conventional value of ohm-90 (unit: ohm) |
CONVENTIONAL_VALUE_OF_VOLT_90 | conventional value of volt-90 (unit: V) |
CONVENTIONAL_VALUE_OF_VON_KLITZING_CONSTANT | conventional value of von Klitzing constant (unit: ohm) |
CONVENTIONAL_VALUE_OF_WATT_90 | conventional value of watt-90 (unit: W) |
COPPER_X_UNIT | Copper x unit (unit: m) |
DEUTERON_ELECTRON_MAG_MOM_RATIO | deuteron-electron mag. mom. ratio (dimensionless) |
DEUTERON_ELECTRON_MASS_RATIO | deuteron-electron mass ratio (dimensionless) |
DEUTERON_G_FACTOR | deuteron g factor (dimensionless) |
DEUTERON_MAG_MOM | deuteron mag. mom. (unit: J⋅T-1) |
DEUTERON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | deuteron mag. mom. to Bohr magneton ratio (dimensionless) |
DEUTERON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | deuteron mag. mom. to nuclear magneton ratio (dimensionless) |
DEUTERON_MASS | deuteron mass (unit: kg) |
DEUTERON_MASS_ENERGY_EQUIVALENT | deuteron mass energy equivalent (unit: J) |
DEUTERON_MASS_ENERGY_EQUIVALENT_IN_MEV | deuteron mass energy equivalent in MeV (unit: MeV) |
DEUTERON_MASS_IN_U | deuteron mass in u (unit: u) |
DEUTERON_MOLAR_MASS | deuteron molar mass (unit: kg⋅mol-1) |
DEUTERON_NEUTRON_MAG_MOM_RATIO | deuteron-neutron mag. mom. ratio (dimensionless) |
DEUTERON_PROTON_MAG_MOM_RATIO | deuteron-proton mag. mom. ratio (dimensionless) |
DEUTERON_PROTON_MASS_RATIO | deuteron-proton mass ratio (dimensionless) |
DEUTERON_RELATIVE_ATOMIC_MASS | deuteron relative atomic mass (dimensionless) |
DEUTERON_RMS_CHARGE_RADIUS | deuteron rms charge radius (unit: m) |
ELECTRON_CHARGE_TO_MASS_QUOTIENT | electron charge to mass quotient (unit: C⋅kg-1) |
ELECTRON_DEUTERON_MAG_MOM_RATIO | electron-deuteron mag. mom. ratio (dimensionless) |
ELECTRON_DEUTERON_MASS_RATIO | electron-deuteron mass ratio (dimensionless) |
ELECTRON_GYROMAG_RATIO | electron gyromag. ratio (unit: s-1⋅T-1) |
ELECTRON_GYROMAG_RATIO_IN_MHZ_PER_T | electron gyromag. ratio in MHz/T (unit: MHz⋅T-1) |
ELECTRON_G_FACTOR | electron g factor (dimensionless) |
ELECTRON_HELION_MASS_RATIO | electron-helion mass ratio (dimensionless) |
ELECTRON_MAG_MOM | electron mag. mom. (unit: J⋅T-1) |
ELECTRON_MAG_MOM_ANOMALY | electron mag. mom. anomaly (dimensionless) |
ELECTRON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | electron mag. mom. to Bohr magneton ratio (dimensionless) |
ELECTRON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | electron mag. mom. to nuclear magneton ratio (dimensionless) |
ELECTRON_MASS | electron mass (unit: kg) |
ELECTRON_MASS_ENERGY_EQUIVALENT | electron mass energy equivalent (unit: J) |
ELECTRON_MASS_ENERGY_EQUIVALENT_IN_MEV | electron mass energy equivalent in MeV (unit: MeV) |
ELECTRON_MASS_IN_U | electron mass in u (unit: u) |
ELECTRON_MOLAR_MASS | electron molar mass (unit: kg⋅mol-1) |
ELECTRON_MUON_MAG_MOM_RATIO | electron-muon mag. mom. ratio (dimensionless) |
ELECTRON_MUON_MASS_RATIO | electron-muon mass ratio (dimensionless) |
ELECTRON_NEUTRON_MAG_MOM_RATIO | electron-neutron mag. mom. ratio (dimensionless) |
ELECTRON_NEUTRON_MASS_RATIO | electron-neutron mass ratio (dimensionless) |
ELECTRON_PROTON_MAG_MOM_RATIO | electron-proton mag. mom. ratio (dimensionless) |
ELECTRON_PROTON_MASS_RATIO | electron-proton mass ratio (dimensionless) |
ELECTRON_RELATIVE_ATOMIC_MASS | electron relative atomic mass (dimensionless) |
ELECTRON_TAU_MASS_RATIO | electron-tau mass ratio (dimensionless) |
ELECTRON_TO_ALPHA_PARTICLE_MASS_RATIO | electron to alpha particle mass ratio (dimensionless) |
ELECTRON_TO_SHIELDED_HELION_MAG_MOM_RATIO | electron to shielded helion mag. mom. ratio (dimensionless) |
ELECTRON_TO_SHIELDED_PROTON_MAG_MOM_RATIO | electron to shielded proton mag. mom. ratio (dimensionless) |
ELECTRON_TRITON_MASS_RATIO | electron-triton mass ratio (dimensionless) |
ELECTRON_VOLT | electron volt (unit: J) |
ELECTRON_VOLT_ATOMIC_MASS_UNIT_RELATIONSHIP | electron volt-atomic mass unit relationship (unit: u) |
ELECTRON_VOLT_HARTREE_RELATIONSHIP | electron volt-hartree relationship (unit: E_h) |
ELECTRON_VOLT_HERTZ_RELATIONSHIP | electron volt-hertz relationship (unit: Hz) |
ELECTRON_VOLT_INVERSE_METER_RELATIONSHIP | electron volt-inverse meter relationship (unit: m-1) |
ELECTRON_VOLT_JOULE_RELATIONSHIP | electron volt-joule relationship (unit: J) |
ELECTRON_VOLT_KELVIN_RELATIONSHIP | electron volt-kelvin relationship (unit: K) |
ELECTRON_VOLT_KILOGRAM_RELATIONSHIP | electron volt-kilogram relationship (unit: kg) |
ELEMENTARY_CHARGE | elementary charge (unit: C) |
ELEMENTARY_CHARGE_OVER_H_BAR | elementary charge over h-bar (unit: A⋅J-1) |
FARADAY_CONSTANT | Faraday constant (unit: C⋅mol-1) |
FERMI_COUPLING_CONSTANT | Fermi coupling constant (unit: GeV-2) |
FINE_STRUCTURE_CONSTANT | fine-structure constant (dimensionless) |
FIRST_RADIATION_CONSTANT | first radiation constant (unit: W⋅m2) |
FIRST_RADIATION_CONSTANT_FOR_SPECTRAL_RADIANCE | first radiation constant for spectral radiance (unit: W⋅m2⋅sr-1) |
HARTREE_ATOMIC_MASS_UNIT_RELATIONSHIP | hartree-atomic mass unit relationship (unit: u) |
HARTREE_ELECTRON_VOLT_RELATIONSHIP | hartree-electron volt relationship (unit: eV) |
HARTREE_ENERGY | Hartree energy (unit: J) |
HARTREE_ENERGY_IN_EV | Hartree energy in eV (unit: eV) |
HARTREE_HERTZ_RELATIONSHIP | hartree-hertz relationship (unit: Hz) |
HARTREE_INVERSE_METER_RELATIONSHIP | hartree-inverse meter relationship (unit: m-1) |
HARTREE_JOULE_RELATIONSHIP | hartree-joule relationship (unit: J) |
HARTREE_KELVIN_RELATIONSHIP | hartree-kelvin relationship (unit: K) |
HARTREE_KILOGRAM_RELATIONSHIP | hartree-kilogram relationship (unit: kg) |
HELION_ELECTRON_MASS_RATIO | helion-electron mass ratio (dimensionless) |
HELION_G_FACTOR | helion g factor (dimensionless) |
HELION_MAG_MOM | helion mag. mom. (unit: J⋅T-1) |
HELION_MAG_MOM_TO_BOHR_MAGNETON_RATIO | helion mag. mom. to Bohr magneton ratio (dimensionless) |
HELION_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | helion mag. mom. to nuclear magneton ratio (dimensionless) |
HELION_MASS | helion mass (unit: kg) |
HELION_MASS_ENERGY_EQUIVALENT | helion mass energy equivalent (unit: J) |
HELION_MASS_ENERGY_EQUIVALENT_IN_MEV | helion mass energy equivalent in MeV (unit: MeV) |
HELION_MASS_IN_U | helion mass in u (unit: u) |
HELION_MOLAR_MASS | helion molar mass (unit: kg⋅mol-1) |
HELION_PROTON_MASS_RATIO | helion-proton mass ratio (dimensionless) |
HELION_RELATIVE_ATOMIC_MASS | helion relative atomic mass (dimensionless) |
HELION_SHIELDING_SHIFT | helion shielding shift (dimensionless) |
HERTZ_ATOMIC_MASS_UNIT_RELATIONSHIP | hertz-atomic mass unit relationship (unit: u) |
HERTZ_ELECTRON_VOLT_RELATIONSHIP | hertz-electron volt relationship (unit: eV) |
HERTZ_HARTREE_RELATIONSHIP | hertz-hartree relationship (unit: E_h) |
HERTZ_INVERSE_METER_RELATIONSHIP | hertz-inverse meter relationship (unit: m-1) |
HERTZ_JOULE_RELATIONSHIP | hertz-joule relationship (unit: J) |
HERTZ_KELVIN_RELATIONSHIP | hertz-kelvin relationship (unit: K) |
HERTZ_KILOGRAM_RELATIONSHIP | hertz-kilogram relationship (unit: kg) |
HYPERFINE_TRANSITION_FREQUENCY_OF_CS_133 | hyperfine transition frequency of Cs-133 (unit: Hz) |
INVERSE_FINE_STRUCTURE_CONSTANT | inverse fine-structure constant (dimensionless) |
INVERSE_METER_ATOMIC_MASS_UNIT_RELATIONSHIP | inverse meter-atomic mass unit relationship (unit: u) |
INVERSE_METER_ELECTRON_VOLT_RELATIONSHIP | inverse meter-electron volt relationship (unit: eV) |
INVERSE_METER_HARTREE_RELATIONSHIP | inverse meter-hartree relationship (unit: E_h) |
INVERSE_METER_HERTZ_RELATIONSHIP | inverse meter-hertz relationship (unit: Hz) |
INVERSE_METER_JOULE_RELATIONSHIP | inverse meter-joule relationship (unit: J) |
INVERSE_METER_KELVIN_RELATIONSHIP | inverse meter-kelvin relationship (unit: K) |
INVERSE_METER_KILOGRAM_RELATIONSHIP | inverse meter-kilogram relationship (unit: kg) |
INVERSE_OF_CONDUCTANCE_QUANTUM | inverse of conductance quantum (unit: ohm) |
JOSEPHSON_CONSTANT | Josephson constant (unit: Hz⋅V-1) |
JOULE_ATOMIC_MASS_UNIT_RELATIONSHIP | joule-atomic mass unit relationship (unit: u) |
JOULE_ELECTRON_VOLT_RELATIONSHIP | joule-electron volt relationship (unit: eV) |
JOULE_HARTREE_RELATIONSHIP | joule-hartree relationship (unit: E_h) |
JOULE_HERTZ_RELATIONSHIP | joule-hertz relationship (unit: Hz) |
JOULE_INVERSE_METER_RELATIONSHIP | joule-inverse meter relationship (unit: m-1) |
JOULE_KELVIN_RELATIONSHIP | joule-kelvin relationship (unit: K) |
JOULE_KILOGRAM_RELATIONSHIP | joule-kilogram relationship (unit: kg) |
KELVIN_ATOMIC_MASS_UNIT_RELATIONSHIP | kelvin-atomic mass unit relationship (unit: u) |
KELVIN_ELECTRON_VOLT_RELATIONSHIP | kelvin-electron volt relationship (unit: eV) |
KELVIN_HARTREE_RELATIONSHIP | kelvin-hartree relationship (unit: E_h) |
KELVIN_HERTZ_RELATIONSHIP | kelvin-hertz relationship (unit: Hz) |
KELVIN_INVERSE_METER_RELATIONSHIP | kelvin-inverse meter relationship (unit: m-1) |
KELVIN_JOULE_RELATIONSHIP | kelvin-joule relationship (unit: J) |
KELVIN_KILOGRAM_RELATIONSHIP | kelvin-kilogram relationship (unit: kg) |
KILOGRAM_ATOMIC_MASS_UNIT_RELATIONSHIP | kilogram-atomic mass unit relationship (unit: u) |
KILOGRAM_ELECTRON_VOLT_RELATIONSHIP | kilogram-electron volt relationship (unit: eV) |
KILOGRAM_HARTREE_RELATIONSHIP | kilogram-hartree relationship (unit: E_h) |
KILOGRAM_HERTZ_RELATIONSHIP | kilogram-hertz relationship (unit: Hz) |
KILOGRAM_INVERSE_METER_RELATIONSHIP | kilogram-inverse meter relationship (unit: m-1) |
KILOGRAM_JOULE_RELATIONSHIP | kilogram-joule relationship (unit: J) |
KILOGRAM_KELVIN_RELATIONSHIP | kilogram-kelvin relationship (unit: K) |
LATTICE_PARAMETER_OF_SILICON | lattice parameter of silicon (unit: m) |
LATTICE_SPACING_OF_IDEAL_SI_220 | lattice spacing of ideal Si (220) (unit: m) |
LOSCHMIDT_CONSTANT_27315_K_100_KPA | Loschmidt constant (273.15 K, 100 kPa) (unit: m-3) |
LOSCHMIDT_CONSTANT_27315_K_101325_KPA | Loschmidt constant (273.15 K, 101.325 kPa) (unit: m-3) |
LUMINOUS_EFFICACY | luminous efficacy (unit: lm⋅W-1) |
MAG_FLUX_QUANTUM | mag. flux quantum (unit: Wb) |
MOLAR_GAS_CONSTANT | molar gas constant (unit: J⋅mol-1⋅K-1) |
MOLAR_MASS_CONSTANT | molar mass constant (unit: kg⋅mol-1) |
MOLAR_MASS_OF_CARBON_12 | molar mass of carbon-12 (unit: kg⋅mol-1) |
MOLAR_PLANCK_CONSTANT | molar Planck constant (unit: J⋅Hz-1⋅mol-1) |
MOLAR_VOLUME_OF_IDEAL_GAS_27315_K_100_KPA | molar volume of ideal gas (273.15 K, 100 kPa) (unit: m3⋅mol-1) |
MOLAR_VOLUME_OF_IDEAL_GAS_27315_K_101325_KPA | molar volume of ideal gas (273.15 K, 101.325 kPa) (unit: m3⋅mol-1) |
MOLAR_VOLUME_OF_SILICON | molar volume of silicon (unit: m3⋅mol-1) |
MOLYBDENUM_X_UNIT | Molybdenum x unit (unit: m) |
MUON_COMPTON_WAVELENGTH | muon Compton wavelength (unit: m) |
MUON_ELECTRON_MASS_RATIO | muon-electron mass ratio (dimensionless) |
MUON_G_FACTOR | muon g factor (dimensionless) |
MUON_MAG_MOM | muon mag. mom. (unit: J⋅T-1) |
MUON_MAG_MOM_ANOMALY | muon mag. mom. anomaly (dimensionless) |
MUON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | muon mag. mom. to Bohr magneton ratio (dimensionless) |
MUON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | muon mag. mom. to nuclear magneton ratio (dimensionless) |
MUON_MASS | muon mass (unit: kg) |
MUON_MASS_ENERGY_EQUIVALENT | muon mass energy equivalent (unit: J) |
MUON_MASS_ENERGY_EQUIVALENT_IN_MEV | muon mass energy equivalent in MeV (unit: MeV) |
MUON_MASS_IN_U | muon mass in u (unit: u) |
MUON_MOLAR_MASS | muon molar mass (unit: kg⋅mol-1) |
MUON_NEUTRON_MASS_RATIO | muon-neutron mass ratio (dimensionless) |
MUON_PROTON_MAG_MOM_RATIO | muon-proton mag. mom. ratio (dimensionless) |
MUON_PROTON_MASS_RATIO | muon-proton mass ratio (dimensionless) |
MUON_TAU_MASS_RATIO | muon-tau mass ratio (dimensionless) |
NATURAL_UNIT_OF_ACTION | natural unit of action (unit: J⋅s) |
NATURAL_UNIT_OF_ACTION_IN_EV_S | natural unit of action in eV s (unit: eV⋅s) |
NATURAL_UNIT_OF_ENERGY | natural unit of energy (unit: J) |
NATURAL_UNIT_OF_ENERGY_IN_MEV | natural unit of energy in MeV (unit: MeV) |
NATURAL_UNIT_OF_LENGTH | natural unit of length (unit: m) |
NATURAL_UNIT_OF_MASS | natural unit of mass (unit: kg) |
NATURAL_UNIT_OF_MOMENTUM | natural unit of momentum (unit: kg⋅m⋅s-1) |
NATURAL_UNIT_OF_MOMENTUM_IN_MEV_PER_C | natural unit of momentum in MeV/c (unit: MeV/c) |
NATURAL_UNIT_OF_TIME | natural unit of time (unit: s) |
NATURAL_UNIT_OF_VELOCITY | natural unit of velocity (unit: m⋅s-1) |
NEUTRON_COMPTON_WAVELENGTH | neutron Compton wavelength (unit: m) |
NEUTRON_ELECTRON_MAG_MOM_RATIO | neutron-electron mag. mom. ratio (dimensionless) |
NEUTRON_ELECTRON_MASS_RATIO | neutron-electron mass ratio (dimensionless) |
NEUTRON_GYROMAG_RATIO | neutron gyromag. ratio (unit: s-1⋅T-1) |
NEUTRON_GYROMAG_RATIO_IN_MHZ_PER_T | neutron gyromag. ratio in MHz/T (unit: MHz⋅T-1) |
NEUTRON_G_FACTOR | neutron g factor (dimensionless) |
NEUTRON_MAG_MOM | neutron mag. mom. (unit: J⋅T-1) |
NEUTRON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | neutron mag. mom. to Bohr magneton ratio (dimensionless) |
NEUTRON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | neutron mag. mom. to nuclear magneton ratio (dimensionless) |
NEUTRON_MASS | neutron mass (unit: kg) |
NEUTRON_MASS_ENERGY_EQUIVALENT | neutron mass energy equivalent (unit: J) |
NEUTRON_MASS_ENERGY_EQUIVALENT_IN_MEV | neutron mass energy equivalent in MeV (unit: MeV) |
NEUTRON_MASS_IN_U | neutron mass in u (unit: u) |
NEUTRON_MOLAR_MASS | neutron molar mass (unit: kg⋅mol-1) |
NEUTRON_MUON_MASS_RATIO | neutron-muon mass ratio (dimensionless) |
NEUTRON_PROTON_MAG_MOM_RATIO | neutron-proton mag. mom. ratio (dimensionless) |
NEUTRON_PROTON_MASS_DIFFERENCE | neutron-proton mass difference (unit: kg) |
NEUTRON_PROTON_MASS_DIFFERENCE_ENERGY_EQUIVALENT | neutron-proton mass difference energy equivalent (unit: J) |
NEUTRON_PROTON_MASS_DIFFERENCE_ENERGY_EQUIVALENT_IN_MEV | neutron-proton mass difference energy equivalent in MeV (unit: MeV) |
NEUTRON_PROTON_MASS_DIFFERENCE_IN_U | neutron-proton mass difference in u (unit: u) |
NEUTRON_PROTON_MASS_RATIO | neutron-proton mass ratio (dimensionless) |
NEUTRON_RELATIVE_ATOMIC_MASS | neutron relative atomic mass (dimensionless) |
NEUTRON_TAU_MASS_RATIO | neutron-tau mass ratio (dimensionless) |
NEUTRON_TO_SHIELDED_PROTON_MAG_MOM_RATIO | neutron to shielded proton mag. mom. ratio (dimensionless) |
NEWTONIAN_CONSTANT_OF_GRAVITATION | Newtonian constant of gravitation (unit: m3⋅kg-1⋅s-2) |
NEWTONIAN_CONSTANT_OF_GRAVITATION_OVER_H_BAR_C | Newtonian constant of gravitation over h-bar c (unit: (GeV/c2)-2) |
NUCLEAR_MAGNETON | nuclear magneton (unit: J⋅T-1) |
NUCLEAR_MAGNETON_IN_EV_PER_T | nuclear magneton in eV/T (unit: eV⋅T-1) |
NUCLEAR_MAGNETON_IN_INVERSE_METER_PER_TESLA | nuclear magneton in inverse meter per tesla (unit: m-1⋅T-1) |
NUCLEAR_MAGNETON_IN_K_PER_T | nuclear magneton in K/T (unit: K⋅T-1) |
NUCLEAR_MAGNETON_IN_MHZ_PER_T | nuclear magneton in MHz/T (unit: MHz⋅T-1) |
PLANCK_CONSTANT | Planck constant (unit: J⋅Hz-1) |
PLANCK_CONSTANT_IN_EV_PER_HZ | Planck constant in eV/Hz (unit: eV⋅Hz-1) |
PLANCK_LENGTH | Planck length (unit: m) |
PLANCK_MASS | Planck mass (unit: kg) |
PLANCK_MASS_ENERGY_EQUIVALENT_IN_GEV | Planck mass energy equivalent in GeV (unit: GeV) |
PLANCK_TEMPERATURE | Planck temperature (unit: K) |
PLANCK_TIME | Planck time (unit: s) |
PROTON_CHARGE_TO_MASS_QUOTIENT | proton charge to mass quotient (unit: C⋅kg-1) |
PROTON_COMPTON_WAVELENGTH | proton Compton wavelength (unit: m) |
PROTON_ELECTRON_MASS_RATIO | proton-electron mass ratio (dimensionless) |
PROTON_GYROMAG_RATIO | proton gyromag. ratio (unit: s-1⋅T-1) |
PROTON_GYROMAG_RATIO_IN_MHZ_PER_T | proton gyromag. ratio in MHz/T (unit: MHz⋅T-1) |
PROTON_G_FACTOR | proton g factor (dimensionless) |
PROTON_MAG_MOM | proton mag. mom. (unit: J⋅T-1) |
PROTON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | proton mag. mom. to Bohr magneton ratio (dimensionless) |
PROTON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | proton mag. mom. to nuclear magneton ratio (dimensionless) |
PROTON_MAG_SHIELDING_CORRECTION | proton mag. shielding correction (dimensionless) |
PROTON_MASS | proton mass (unit: kg) |
PROTON_MASS_ENERGY_EQUIVALENT | proton mass energy equivalent (unit: J) |
PROTON_MASS_ENERGY_EQUIVALENT_IN_MEV | proton mass energy equivalent in MeV (unit: MeV) |
PROTON_MASS_IN_U | proton mass in u (unit: u) |
PROTON_MOLAR_MASS | proton molar mass (unit: kg⋅mol-1) |
PROTON_MUON_MASS_RATIO | proton-muon mass ratio (dimensionless) |
PROTON_NEUTRON_MAG_MOM_RATIO | proton-neutron mag. mom. ratio (dimensionless) |
PROTON_NEUTRON_MASS_RATIO | proton-neutron mass ratio (dimensionless) |
PROTON_RELATIVE_ATOMIC_MASS | proton relative atomic mass (dimensionless) |
PROTON_RMS_CHARGE_RADIUS | proton rms charge radius (unit: m) |
PROTON_TAU_MASS_RATIO | proton-tau mass ratio (dimensionless) |
QUANTUM_OF_CIRCULATION | quantum of circulation (unit: m2⋅s-1) |
QUANTUM_OF_CIRCULATION_TIMES_2 | quantum of circulation times 2 (unit: m2⋅s-1) |
REDUCED_COMPTON_WAVELENGTH | reduced Compton wavelength (unit: m) |
REDUCED_MUON_COMPTON_WAVELENGTH | reduced muon Compton wavelength (unit: m) |
REDUCED_NEUTRON_COMPTON_WAVELENGTH | reduced neutron Compton wavelength (unit: m) |
REDUCED_PLANCK_CONSTANT | reduced Planck constant (unit: J⋅s) |
REDUCED_PLANCK_CONSTANT_IN_EV_S | reduced Planck constant in eV s (unit: eV⋅s) |
REDUCED_PLANCK_CONSTANT_TIMES_C_IN_MEV_FM | reduced Planck constant times c in MeV fm (unit: MeV⋅fm) |
REDUCED_PROTON_COMPTON_WAVELENGTH | reduced proton Compton wavelength (unit: m) |
REDUCED_TAU_COMPTON_WAVELENGTH | reduced tau Compton wavelength (unit: m) |
RYDBERG_CONSTANT | Rydberg constant (unit: m-1) |
RYDBERG_CONSTANT_TIMES_C_IN_HZ | Rydberg constant times c in Hz (unit: Hz) |
RYDBERG_CONSTANT_TIMES_HC_IN_EV | Rydberg constant times hc in eV (unit: eV) |
RYDBERG_CONSTANT_TIMES_HC_IN_J | Rydberg constant times hc in J (unit: J) |
SACKUR_TETRODE_CONSTANT_1_K_100_KPA | Sackur-Tetrode constant (1 K, 100 kPa) (dimensionless) |
SACKUR_TETRODE_CONSTANT_1_K_101325_KPA | Sackur-Tetrode constant (1 K, 101.325 kPa) (dimensionless) |
SECOND_RADIATION_CONSTANT | second radiation constant (unit: m⋅K) |
SHIELDED_HELION_GYROMAG_RATIO | shielded helion gyromag. ratio (unit: s-1⋅T-1) |
SHIELDED_HELION_GYROMAG_RATIO_IN_MHZ_PER_T | shielded helion gyromag. ratio in MHz/T (unit: MHz⋅T-1) |
SHIELDED_HELION_MAG_MOM | shielded helion mag. mom. (unit: J⋅T-1) |
SHIELDED_HELION_MAG_MOM_TO_BOHR_MAGNETON_RATIO | shielded helion mag. mom. to Bohr magneton ratio (dimensionless) |
SHIELDED_HELION_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | shielded helion mag. mom. to nuclear magneton ratio (dimensionless) |
SHIELDED_HELION_TO_PROTON_MAG_MOM_RATIO | shielded helion to proton mag. mom. ratio (dimensionless) |
SHIELDED_HELION_TO_SHIELDED_PROTON_MAG_MOM_RATIO | shielded helion to shielded proton mag. mom. ratio (dimensionless) |
SHIELDED_PROTON_GYROMAG_RATIO | shielded proton gyromag. ratio (unit: s-1⋅T-1) |
SHIELDED_PROTON_GYROMAG_RATIO_IN_MHZ_PER_T | shielded proton gyromag. ratio in MHz/T (unit: MHz⋅T-1) |
SHIELDED_PROTON_MAG_MOM | shielded proton mag. mom. (unit: J⋅T-1) |
SHIELDED_PROTON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | shielded proton mag. mom. to Bohr magneton ratio (dimensionless) |
SHIELDED_PROTON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | shielded proton mag. mom. to nuclear magneton ratio (dimensionless) |
SHIELDING_DIFFERENCE_OF_D_AND_P_IN_HD | shielding difference of d and p in HD (dimensionless) |
SHIELDING_DIFFERENCE_OF_T_AND_P_IN_HT | shielding difference of t and p in HT (dimensionless) |
SPEED_OF_LIGHT_IN_VACUUM | speed of light in vacuum (unit: m⋅s-1) |
STANDARD_ACCELERATION_OF_GRAVITY | standard acceleration of gravity (unit: m⋅s-2) |
STANDARD_ATMOSPHERE | standard atmosphere (unit: Pa) |
STANDARD_STATE_PRESSURE | standard-state pressure (unit: Pa) |
STEFAN_BOLTZMANN_CONSTANT | Stefan-Boltzmann constant (unit: W⋅m-2⋅K-4) |
TAU_COMPTON_WAVELENGTH | tau Compton wavelength (unit: m) |
TAU_ELECTRON_MASS_RATIO | tau-electron mass ratio (dimensionless) |
TAU_ENERGY_EQUIVALENT | tau energy equivalent (unit: MeV) |
TAU_MASS | tau mass (unit: kg) |
TAU_MASS_ENERGY_EQUIVALENT | tau mass energy equivalent (unit: J) |
TAU_MASS_IN_U | tau mass in u (unit: u) |
TAU_MOLAR_MASS | tau molar mass (unit: kg⋅mol-1) |
TAU_MUON_MASS_RATIO | tau-muon mass ratio (dimensionless) |
TAU_NEUTRON_MASS_RATIO | tau-neutron mass ratio (dimensionless) |
TAU_PROTON_MASS_RATIO | tau-proton mass ratio (dimensionless) |
THOMSON_CROSS_SECTION | Thomson cross section (unit: m2) |
TRITON_ELECTRON_MASS_RATIO | triton-electron mass ratio (dimensionless) |
TRITON_G_FACTOR | triton g factor (dimensionless) |
TRITON_MAG_MOM | triton mag. mom. (unit: J⋅T-1) |
TRITON_MAG_MOM_TO_BOHR_MAGNETON_RATIO | triton mag. mom. to Bohr magneton ratio (dimensionless) |
TRITON_MAG_MOM_TO_NUCLEAR_MAGNETON_RATIO | triton mag. mom. to nuclear magneton ratio (dimensionless) |
TRITON_MASS | triton mass (unit: kg) |
TRITON_MASS_ENERGY_EQUIVALENT | triton mass energy equivalent (unit: J) |
TRITON_MASS_ENERGY_EQUIVALENT_IN_MEV | triton mass energy equivalent in MeV (unit: MeV) |
TRITON_MASS_IN_U | triton mass in u (unit: u) |
TRITON_MOLAR_MASS | triton molar mass (unit: kg⋅mol-1) |
TRITON_PROTON_MASS_RATIO | triton-proton mass ratio (dimensionless) |
TRITON_RELATIVE_ATOMIC_MASS | triton relative atomic mass (dimensionless) |
TRITON_TO_PROTON_MAG_MOM_RATIO | triton to proton mag. mom. ratio (dimensionless) |
UNIFIED_ATOMIC_MASS_UNIT | unified atomic mass unit (unit: kg) |
VACUUM_ELECTRIC_PERMITTIVITY | vacuum electric permittivity (unit: F⋅m-1) |
VACUUM_MAG_PERMEABILITY | vacuum mag. permeability (unit: N⋅A-2) |
VON_KLITZING_CONSTANT | von Klitzing constant (unit: ohm) |
WEAK_MIXING_ANGLE | weak mixing angle (dimensionless) |
WIEN_FREQUENCY_DISPLACEMENT_LAW_CONSTANT | Wien frequency displacement law constant (unit: Hz⋅K-1) |
WIEN_WAVELENGTH_DISPLACEMENT_LAW_CONSTANT | Wien wavelength displacement law constant (unit: m⋅K) |
W_TO_Z_MASS_RATIO | W to Z mass ratio (dimensionless) |