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by perihelions
850 days ago
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That's probably physically impossible for a charged-particle beam (like electrons). It would defocus itself from its own self-interaction, as well as from interaction with intervening magnetic fields. On this theme: we know several types of natural, astrophysical accelerators of charged particles—but none of those are observed as a localizable source of charged particles, from the perspective of astronomy. We just see secondary photons. |
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That’s the point of the relativistic part of a relativistic electron beam. Time dilation doesn’t give the beam internal time to self interact.