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Physics, Astronomy & Cosmology / Re: How strong is the evidence that the Electron is not a composite particle
« on: 23/09/2016 21:12:55 »
I would say that the best evidence is the electron-positron annihilation resulting in photons. There are some experiments that suggest the fragmentation of the charge and others suggesting the separation of the electron quantum states. Theoretically speaking, the fact that the electron has proper mass, spin, charge and other characteristics is a strong sign of composite elements due to relativity and Mach's principle.
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