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HEP System

Namespace: mp_units::hep

Module: mp_units.systems

Header: <mp-units/systems/hep.h>

Units

Unit Name Symbol unit_symbol Definition
atomic_mass_unit u u mag_ratio<1'660'539'066'605, 1'000'000'000'000> * mag_power<10, -27> * si::kilogram
barn b b mag_power<10, -28> * square(si::metre)
electron_mass m_e m_e mag_ratio<9'109'383'701'528, 1'000'000'000'000> * mag_power<10, -31> * si::kilogram
elementary_charge alias to si::elementary_charge
fermi fm si::femto<si::metre>
neutron_mass m_n m_n mag_ratio<1'674'927'498'049, 1'000'000'000'000> * mag_power<10, -27> * si::kilogram
planck_constant alias to si::planck_constant
proton_mass m_p m_p mag_ratio<1'672'621'923'695, 1'000'000'000'000> * mag_power<10, -27> * si::kilogram
speed_of_light alias to si::speed_of_light_in_vacuum