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(251±59)×10−11
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Contrast that with the muon’s anomalous magnetic moment, aμ = (g-2)/2 , which remains unresolved. The Fermilab Muon g-2 experiment’s most precise measurement to date, released in August 2023, gives aμ(FNAL) = 116{,}592{,}040(54)×10^{-11} , a result precise to 0.20 parts per million [ 5 , 6 ] . Combined with the experiment’s earlier data, the measured value differs from one widely used Standard Model theoretical prediction by (251±59)×10^{-11} , a discrepancy the collaboration itself describes as reaching 4.2 standard deviations [ 6 ] . This is a genuine, still-live tension, and it is also a genuine, still-live disagreement among theorists — not about the experimental…
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Equation 10 · Physics
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.
Contrast that with the muon’s anomalous magnetic moment, aμ = (g-2)/2 , which remains unresolved. The Fermilab Muon g-2 experiment’s most precise measurement to date, released in August 2023, gives aμ(FNAL) = 116{,}592{,}040(54)×10^{-11} , a result precise to 0.20 parts per million [ 5 , 6 ] . Combined with the experiment’s earlier data, the measured value differs from one widely used Standard Model theoretical prediction by (251±59)×10^{-11} , a discrepancy the collaboration itself describes as reaching 4.2 standard deviations [ 6 ] . This is a genuine, still-live tension, and it is also a genuine, still-live disagreement among theorists — not about the experimental…
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