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by sp332
5098 days ago
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Yup, this was the last particle predicted by the Standard Model. In addition to not having any evidence that it existed, we also didn't know exactly how massive it was, or how likely it was to show up in high-energy collisions. Unfortunately, the Standard Model still doesn't have a good explanation for how quantum mechanics and gravity work together, so we know it's not complete. But at least the particle menagerie seems to be full :) |
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