mp_units::codata::codata2018::neutron_mass¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2018_essential.h>
struct neutron_mass final :
named_constant<
"m_n", mag_ratio<167492749804L, 100000000000L> * mag_power<10, -27> * si::kilogram,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-38, 1}.num>{}, power_v<5L, ratio{-37, 1}.num>{}, 19L>{{}},
mp_units::si::kilo_<mp_units::si::gram>>>){mag_ratio<95, 10> * mag_power<10, -37> * si::kilogram}>