What is the minimum distance between an electron and a positron so that they do not annihilate?
56776
How close does a particle-antiparticle pair need to be for annihilation to happen?
101152
Can vacuum fluctuations change the position of an electron?
54968
Confusion about Length Contraction (ex in Muon decay)
6890
Why does electron orbital circumference have to be in multiples of de Broglie wavelengths?
467
Matter-antimatter asymmetry problem
148218
How precise must the energies match for absorption of photons?
119346
How far apart do two objects have to be for there to be negligible force between them?
69105
Are electrons miniature black holes?
98326
Why is the Derangement Probability so Close to $\frac{1}{e}$?
24540
Experimental boundaries for size of electron?
48930
Least-action classical electrodynamics without potentials
156561
Minimizing distance between an ellipse and a point
120719
Why isn't it $E \approx 27.642 \times mc^2$?
10781
Accelerating particles to speeds infinitesimally close to the speed of light?
148864
The concept of Fermi level
7322
Accelerating electrons via microwaves
70682
Mechanism of pair production and annihilation of matter