Curious layman Posted November 27, 2019 Posted November 27, 2019 Top dark matter candidate loses ground to tiniest competitor. Quote Physicists have long searched for hypothesized dark matter particles called WIMPs. Now, focus may be shifting to the axion — an ultra-lightweight particle whose existence would solve two mysteries at once. The ADMX experiment at the University of Washington uses a strong magnetic field to search for hypothetical dark matter particles called axions. https://www.quantamagazine.org/why-dark-matter-might-be-axions-20191127/?utm_source=quora&utm_medium=referral ADMX’s main magnet produces a field that’s about 150,000 times stronger than Earth’s. 1
Strange Posted November 27, 2019 Posted November 27, 2019 Another article on the topic (which covers more of the background): https://www.forbes.com/sites/startswithabang/2019/11/19/the-strong-cp-problem-is-the-most-underrated-puzzle-in-all-of-physics/ (I linked to the in an unrelated thread, the other day.)
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