mp_units::codata::codata2018::electron_triton_mass_ratio¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2018.h>
struct electron_triton_mass_ratio final :
named_constant<"electron_triton_mass_ratio", mag_ratio<1819200062251L, 1000000000000L> * mag_power<10, -4> * one,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-15, 1}.num>{}, power_v<3L, ratio{2, 1}.num>{},
power_v<5L, ratio{-15, 1}.num>{}>{{}},
mp_units::one>>){mag_ratio<90, 10> * mag_power<10, -15> * one}>