Electric dipole moments, from e to tau
A. G. Grozin, I. B. Khriplovich, A. S. Rudenko
TL;DR
This paper establishes an upper limit on the tau-lepton's electric dipole moment by leveraging precise measurements of the electron EDM, providing new constraints on physics beyond the Standard Model.
Contribution
It introduces a novel method to constrain the tau EDM using existing electron EDM measurements, extending the reach of EDM studies to heavier leptons.
Findings
Upper limit set on tau EDM from electron EDM data
Constraints improve bounds on new physics models
Method applicable to other heavy particles
Abstract
We derive an upper limit on the electric dipole moment (EDM) of the tau-lepton, which follows from the precision measurements of the electron EDM.
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