An Improved Limit on the Electric Dipole Moment of the Muon
Abstract
Data from the muon g-2 experiment at Brookhaven National Lab has been analyzed to search for a muon electric dipole moment(EDM), which would violate parity and time reversal symmetries. An EDM would cause a tilt in the spin precession plane of the muons, resulting in a vertical oscillation in the position of electrons hitting the detectors. No signal has been observed. Based on this analysis, an improved limit of $2.8 × 10-19 e-cm(95% CL) is set on the muon EDM.
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