...an Improved Test of the Standard Model’s Most Precise...
The natural size scale of the electron and positron moments is the Bohr magneton, 𝜇𝐵=𝑒ℏ/(2𝑚)μB=eℏ/(2m), where −𝑒−e is the electron’s charge, and m is its mass. An electron in a circular orbit with angular momentum ℏ has a magnetic moment −𝜇𝐵...