A few years ago, physicists at Fermi National Accelerator Laboratory in Illinois used a giant magnetic ring to measure precisely how much the muon wobbles. Now they’re puzzling over the way that this measurement clashes with older experiments. www.quantamagazine.org/physicists-s...

Physicists Solve a Muon Mystery. Now, Old Results Don’t Add Up. | Quanta MagazineNew calculations seem to have put a 25-year-old particle physics puzzle to rest. But they’ve also created a clash with other experimental results.www.quantamagazine.org