Another “new physics” alert, this time from Fermilab

Another “new physics” alert, this time from Fermilab

The muon is a heavier cousin of the electron and is expected to have a value of 2 for its magnetic moment, labelled "g". Now, the muon is not alone in the universe. It is embedded in a sea where particles are popping out and vanishing every instant due to quantum effects. So, its g value is altered by its interactions with these short-lived excitations.

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The Hindu

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