Is there a reason why every meson and baryon has an integer electric charge?
70090
What's the deepest reason why QCD bound states have integer charge?
45061
Physical interpretation of $Q^i = \partial _\nu T^{i \nu}$
13874
Detection of the Electric Charge of a Black Hole
82747
How has quark electric charge been directly measured?
52248
Why does the direction of a dipole moment go from negative to positive charge?
122132
Why do we test electric fields with positive charges and not negative ones?
90917
Why do we have an elementary charge but no elementary mass?
12433
How do $\pi^0$ particles exist?
35463
How come the universe is made of matter and not antimatter?
64219
Similar masses and lifetimes of the $\Delta$ baryons
111352
Why are muons considered to be elementary particles in the Standard Model?
2589
Why is the charge naming convention wrong?
109900
Why is $e^{\pi \sqrt{163}}$ almost an integer?
4789
Apparent Violation of Newton's $3^{\text{rd}}$ Law and the Conservation of Momentum (and Angular Momentum) For a Pair of Charged Particles
3808
Why do same/opposite electric charges repel/attract each other, respectively?
42837
Do all planets have an electric charge?
74211
Protons and Neutrons Overshoot Actual Mass?