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mp_units::codata::thomson_cross_section

Synopsis

Declared in <mp-units/systems/codata/codata2022.h>

struct thomson_cross_section final :
    named_constant<
      symbol_text<5UL - 1, 8UL - 1>{u8"\317\203_e", "sigma_e"},
      mag_ratio<66524587051L, 10000000000L> * mag_power<10, -29> * square(si::metre),
      (standard_uncertainty<mp_units::scaled_unit<
         mp_units::detail::unit_magnitude<power_v<2L, ratio{-38, 1}.num>{}, power_v<5L, ratio{-39, 1}.num>{}, 31L>{{}},
         mp_units::derived_unit<mp_units::power<mp_units::si::metre, 2>>>>){mag_ratio<62, 10> * mag_power<10, -38> *
                                                                            square(si::metre)}>

Base Classes

NameDescription
named_constant<symbol_text<5UL - 1, 8UL - 1>{u8"\317\203_e", "sigma_e"}, mag_ratio<66524587051L, 10000000000L> * mag_power<10, -29> * square(si::metre), (standard_uncertainty<mp_units::scaled_unit<mp_units::detail::unit_magnitude<power_v<2L, ratio{-38, 1}.num>{}, power_v<5L, ratio{-39, 1}.num>{}, 31L>{{}}, mp_units::derived_unit<mp_units::power<mp_units::si::metre, 2>>>>){mag_ratio<62, 10> * mag_power<10, -38> * square(si::metre)}>