Another nail may seal the coffin of the muon as a venue for new physics.
For about 20 years, scientists have considered the muon a potential venue for the discovery of new physics.
Unlike large experiments measuring g-2 through particle collisions, the teams research doesnt need any experimental input.
An artist’s conception of muons interacting with a magnetic field.M. Rayner / CERN
The gulf between the figures widened since the Brookhaven result.
Two steps forward, one step back, depending on how you look at it.
I am not very hopeful that there is really a sizable new physics effect in g-2 of the muon.
The g-2 storage-ring magnet at Fermilab. Photo: Reidar Hahn / Wikimedia Commons
Where does this leave us?
There are other ways of exploring the muons properties.
But building a new collider can be expensive and time-intensive.
Fermilabs Muon g-2 experiment is expected to release itsfinal resultnext year.
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