MadSci Network: Physics

Re: How does the charge of one electron compare to another electron?

Date: Tue May 23 02:57:09 2000
Posted By: Georg Hager, Grad student, Theoretical Particle Physics
Area of science: Physics
ID: 957922816.Ph

Dear Renee!

In many books you will read that every electron has the same charge, namely 1.602x10-19 Coulombs. This is, however, not entirely true. The electron charge you find in the books (and above) is valid for a moderately large distance to the electron. If you look very closely, e.g. by smashing electrons on each other in an accelerator, you will notice a gradual increase in the charge. This is, however, an effect that appears only at very high energies, so for `everyday use' the electron charge is constant and the same for every electron.

Hope that helps,

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