= X17 particle
{wiki=X17_particle}
The X17 particle is a proposed hypothetical particle that has garnered interest within the physics community, particularly in the context of dark matter and new physics beyond the Standard Model. The name "X17" comes from a potential particle that is theorized to have a mass of approximately 17 MeV/c² (mega-electronvolts per speed of light squared) and is suggested to interact weakly with ordinary matter, making it a candidate for dark matter.
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