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AMA | June 2023
Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
The Importance of Axions in Dark Matter
Even though the axion particles are extremely light, they move very, very slowly when they are formed. Axions interact primarily electromagnetically with known matter in terms of at least the ways that we are trying to look for them. So as a good Bayesian, your credence that the dark matter is axions should have gone up over the last 10 years or so. You know, WIMPs could have been found by now. It's not that we should have found them by now, but we had a chance and we haven't yet.
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