johncena Messages 131 Reaction score 1 Thread starter Jul 3, 2010 #1 How were the masses of fundamental particles(electrons,protons,neutrons) determined?
AJ Bentley Messages 667 Reaction score 0 Jul 3, 2010 #2 Each is a long story of it's own... Start with the Electron:- Google the names JJ Thompson and Robert Millikan
Each is a long story of it's own... Start with the Electron:- Google the names JJ Thompson and Robert Millikan
Naty1 Messages 5,605 Reaction score 40 Jul 4, 2010 #3 experimentally. we have no theory which describes their masses. They are inputs to the standard model of particle physics...not derived from it. (only because we are not smart enough yet.)
experimentally. we have no theory which describes their masses. They are inputs to the standard model of particle physics...not derived from it. (only because we are not smart enough yet.)