Are Massless Charged Particles Forbidden by Current Group Theory Theories?

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SUMMARY

Current group theory frameworks, including those utilizing the E8 group, do not explicitly forbid the existence of massless charged particles. However, the absence of observed massless charged particles suggests that if they existed, specific processes would have been detected by now. The discussion emphasizes the lack of empirical evidence rather than a theoretical prohibition against such particles.

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  • Understanding of group theory in physics
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  • Basic concepts of mass and charge in quantum mechanics
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FunkyDwarf
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Hey guys

Just to clarify: there's nothing in current theories that forbids massless charged particles right? Its just we haven't found one yet. Do any of the group theory theories predict them or forbid them?(like the ones using the E8 group etc)

Thanks
-Graeme
 
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FunkyDwarf said:
Hey guys

Just to clarify: there's nothing in current theories that forbids massless charged particles right? Its just we haven't found one yet. Do any of the group theory theories predict them or forbid them?(like the ones using the E8 group etc)

Thanks
-Graeme

If massless electrically charge particles existed, we already would have observed certain processes, but we haven't. See

https://www.physicsforums.com/showthread.php?t=276535.
 
danke.
 

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