mp_units::hep::codata2014::permeability_of_vacuum¶
Synopsis¶
Declared in <mp-units/systems/hep/constants.h>
struct permeability_of_vacuum final :
named_constant<symbol_text<6UL - 1, 5UL - 1>{u8"\316\274\342\202\200", "mu_0"},
mag<4> * mag_power<10, -7> * π * henry / meter>