Newly measured particle seems heavy enough to break known physics.

“Silence fell as the physicists absorbed the answer. They had found that the W boson weighs 80,433 million electron volts (MeV), give or take 9 MeV. That makes it a whopping 76 MeV heavier than the Standard Model predicts, a discrepancy roughly seven times larger than the margin of error of the measurement or prediction.” learn more

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