Skip to content

mp_units::hep::codata2022::neutron_mass

Synopsis

Declared in <mp-units/systems/hep/constants.h>

struct neutron_mass final :
    named_constant<
      "m_n", mag_ratio<93956542194L, 100000000> * si::mega<electronvolt> / square(speed_of_light_in_vacuum),
      (standard_uncertainty<mp_units::derived_unit<
         mp_units::scaled_unit<
           mp_units::detail::unit_magnitude<power_v<2L, ratio{-4, 1}.num>{}, 3L, power_v<5L, ratio{-8, 1}.num>{}>{{}},
           mp_units::si::mega_<mp_units::hep::electronvolt>>,
         mp_units::per<mp_units::power<mp_units::hep::speed_of_light_in_vacuum, 2>>>>){
        mag_ratio<48, 10> * mag_power<10, -7> * si::mega<electronvolt> / square(speed_of_light_in_vacuum)}>

Base Classes

NameDescription
named_constant<"m_n", mag_ratio<93956542194L, 100000000> * si::mega<electronvolt> / square(speed_of_light_in_vacuum), (standard_uncertainty<mp_units::derived_unit<mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-4, 1}.num>{}, 3L, power_v<5L, ratio{-8, 1}.num>{}>{{}}, mp_units::si::mega_<mp_units::hep::electronvolt>>, mp_units::per<mp_units::power<mp_units::hep::speed_of_light_in_vacuum, 2>>>>){mag_ratio<48, 10> * mag_power<10, -7> * si::mega<electronvolt> / square(speed_of_light_in_vacuum)}>