mp_units::hep¶ Namespaces¶ Name codata2014 codata2022 Types¶ Name Q_value absorbed_dose activity amount_of_substance ampere angstrom area astronomical_unit atmosphere atomic_mass_unit avogadro_constant azimuthal_angle bar barn becquerel binding_energy bohr_magneton bohr_radius boltzmann_constant candela center_of_mass_energy classical_electron_radius coordinate_time coulomb cross_section curie decay_constant decay_length dim_amount_of_substance dim_electric_charge dim_energy dim_length dim_luminous_intensity dim_temperature dim_time displacement duration effective_mass electric_capacitance electric_charge electric_current electric_potential electric_resistance electron_compton_wavelength electron_mass electronvolt elementary_charge energy eplus excitation_energy farad fine_structure_constant force frequency gas_threshold gauss gram gray half_life height henry hertz illuminance impact_parameter inductance interaction_length invariant_mass ionization_energy joule kelvin kinetic_energy length lifetime liter lorentz_factor lumen luminous_flux luminous_intensity lux magnetic_field magnetic_flux mass mean_free_path mean_lifetime meter missing_energy mole momentum neutron_mass newton nuclear_interaction_length nuclear_magneton number_density ohm opening_angle parsec pascal path_length permeability_of_vacuum phase planck_constant polar_angle position_vector power pressure proper_time proper_velocity proton_mass radiation_length radius range reduced_mass relativistic_beta rest_mass rest_mass_energy scattering_angle second separation_energy speed speed_of_light_in_vacuum standard_pressure standard_temperature temperature tesla threshold_energy time_of_flight total_energy transverse_energy transverse_momentum universe_mean_density velocity vertex_position volt volume watt wavelength weber width Variables¶ Name Q_value absorbed_dose activity amount_of_substance ampere angstrom area astronomical_unit atmosphere atomic_mass_unit avogadro_constant azimuthal_angle bar barn becquerel binding_energy bohr_magneton bohr_radius boltzmann_constant candela center_of_mass_energy classical_electron_radius coordinate_time coulomb cross_section curie decay_constant decay_length dim_amount_of_substance dim_electric_charge dim_energy dim_length dim_luminous_intensity dim_temperature dim_time displacement duration effective_mass electric_capacitance electric_charge electric_current electric_potential electric_resistance electron_compton_wavelength electron_mass electronvolt elementary_charge energy eplus excitation_energy farad fermi fine_structure_constant force frequency gas_threshold gauss gram gray half_life halfpi height henry hertz illuminance impact_parameter inductance interaction_length invariant_mass ionization_energy joule kelvin kinetic_energy length lifetime liter lorentz_factor lumen luminous_flux luminous_intensity lux magnetic_field magnetic_flux mass mean_free_path mean_lifetime meter missing_energy mole momentum neutron_mass newton nuclear_interaction_length nuclear_magneton number_density ohm opening_angle parsec pascal path_length perCent perMillion perThousand permeability_of_vacuum phase pi pi2 planck_constant polar_angle position_vector power pressure proper_time proper_velocity proton_mass radiation_length radius range reduced_mass relativistic_beta rest_mass rest_mass_energy scattering_angle second separation_energy speed speed_of_light_in_vacuum standard_pressure standard_temperature temperature tesla threshold_energy time_of_flight total_energy transverse_energy transverse_momentum twopi universe_mean_density velocity vertex_position volt volume watt wavelength weber width Using Namespace Directives¶ Name angular