Physics

 

Dr. Massimo Passera
INFN, Padua, Italy

Abstract: The Muon g-2 experiment at Fermilab has recently confirmed
Brookhaven's earlier measurement of the muon anomalous magnetic moment
aμ. This new result increases the discrepancy Δaμ with the Standard
Model (SM) prediction and strengthens its "new physics" interpretation
as well as the quest for its underlying origin. In this talk I will
review the SM prediction of the muon g-2, focusing on some of the
latest developments, and discuss the connection of the discrepancy Δaμ
to precision electroweak predictions via their common dependence on
hadronic vacuum polarization effects. I will also briefly present the
recently proposed MUonE experiment at CERN, where fixed-target
muon-electron scattering will provide a new direct determination of
the leading hadronic contribution to the muon g-2.

 

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