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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

AMA | September 2024

5478.402 - 5501.932 Sean Carroll

There's no direct interaction between muons and quarks or gluons. But there are indirect interactions mediated by these higher loop diagrams. That's where the muon magnetic moment comes from. And it is a beastly calculation to do it because, number one, you need more than one loop. And whenever you get more than one loop in a Feynman diagram, it becomes hard to do.

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