Argonne National Laboratory

Upcoming Events

Precision Muon Physics

David Hertzog, University of Washington
April 3, 2013 11:00AM to 12:00PM
Building 362, Room F108
A snapshop of the worldwide, vibrant experimental program involving precision measurements with muons will be presented. Recent achievements in this field have greatly improved our knowledge of fundamental parameters: Fermi constant (lifetime), weak-nucleon pseudoscalar coupling (mu-p capture), Michel decay parameters, and the proton charged radius (Lamb shift). The charged-lepton-violating decay Mu --> e gamma sets new physics limits.

Updated Standard Model theory evaluations of the muon anomalous magnetic moment has increased the significance beyond 3 sigma for the deviation with respect to experiment. Next-generation experiments are mounting, with ambitious sensitivity goals for the muon-to-electron search approaching 10^-17 sensitivity and for a 0.14 ppm determination of g-2. The broad physics reach of these efforts involves atomic, nuclear and particle physics communities. I will select from recent work and outline the most important efforts that are in preparation.