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what_are_electrons
What is the experimental system used to determine that an electron has a mass of 0.511 MeV/c*c ?
I'd like to learn about methods other than Millikan's oil drop and Thomson's charge/mass ratios. What is the modern way to generate a value with those units?
I'd like to learn about methods other than Millikan's oil drop and Thomson's charge/mass ratios. What is the modern way to generate a value with those units?
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