In Landau and Lipshitz's introductory book on Quanum Mechanics, "Quantum Mechanics Non-Relativistic Theory, Third Edition: Volume 3", chapter XIV (page 433 in the edition on Amazon) is "Addition of ...
Or in proton-electron collision. To destroy is to turn into other particles, not baryons. In context of the baryon asymmetry.
Neutron mass: 1.008664 u Proton mass: 1.007276 u Why the discrepancy? On a related note, how does one go about measuring the mass of a neutron or proton, anyway?
Why are protons used in cancer therapy ? Is there any advantages compared to classics X-rays treatment or electron treatment ?