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mp_units::codata::codata2014::electron_neutron_mass_ratio

Synopsis

Declared in <mp-units/systems/codata/codata2014.h>

struct electron_neutron_mass_ratio final :
    named_constant<"electron_neutron_mass_ratio", mag_ratio<54386734428L, 10000000000L> * mag_power<10, -4> * one,
                   (standard_uncertainty<mp_units::scaled_unit<
                      mp_units::detail::unit_magnitude<power_v<2L, ratio{-14, 1}.num>{}, power_v<3L, ratio{3, 1}.num>{},
                                                       power_v<5L, ratio{-14, 1}.num>{}>{{}},
                      mp_units::one>>){mag_ratio<27, 10> * mag_power<10, -13> * one}>

Base Classes

NameDescription
named_constant<"electron_neutron_mass_ratio", mag_ratio<54386734428L, 10000000000L> * mag_power<10, -4> * one, (standard_uncertainty<mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-14, 1}.num>{}, power_v<3L, ratio{3, 1}.num>{}, power_v<5L, ratio{-14, 1}.num>{}>{{}}, mp_units::one>>){mag_ratio<27, 10> * mag_power<10, -13> * one}>