mp_units::codata::codata2014::neutron_tau_mass_ratio¶
Synopsis¶
Declared in <mp-units/systems/codata/codata2014.h>
struct neutron_tau_mass_ratio final :
named_constant<
"neutron_tau_mass_ratio", mag_ratio<528790, 1000000> * one,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-2, 1}.num>{}, 3L, power_v<5L, ratio{-6, 1}.num>{}>{{}},
mp_units::one>>){mag_ratio<48, 10> * mag_power<10, -5> * one}>