mp_units::hep::bohr_radius¶
Synopsis¶
Declared in <mp-units/systems/hep/constants.h>
struct bohr_radius final :
named_constant<
"a_0", mag_ratio<529177210903L, 100000000000L> * mag_power<10, -11> * meter,
(standard_uncertainty<mp_units::scaled_unit<
mp_units::detail::unit_magnitude<power_v<2L, ratio{-18, 1}.num>{}, power_v<5L, ratio{-21, 1}.num>{}>{{}},
mp_units::hep::meter>>){mag_ratio<80, 10> * mag_power<10, -21> * meter}>