The Standard Model of particle physics—the best, most thoroughly vetted description of reality scientists have ever devised—appears to have fended off yet another threat to its reign.
At least, that’s one interpretation of a long-awaited experimental result announced on June 3 by physicists at the Fermi National Accelerator Laboratory, or Fermilab, in Batavia, Ill. An alternative take would be that the result—the most precise measurement ever made of the magnetic wobble of a strange subatomic particle called the muon—still remains the most significant challenge to the Standard Model’s supremacy. The results have been posted on the preprint server arXiv.org and submitted to the journal Physical Review Letters.
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