Electric Dipole Moments and the Mass Scale of New T-Violating, P-Conserving Interactions

Details Electric Dipole Moments and the Mass Scale of New T-Violating, P-Conserving Interactions Electric Dipole Moments and the Mass Scale of New T-Violating, P-Conserving Interactions

1999-05-20

arxiv.org/abs/hep-ph/9905429v2

Phys.Rev.Lett. 83 (1999) 3997-4000; Erratum-ibid. 84 (2000) 5681

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures. To appear in PRL

Scientific paper

10.1103/PhysRevLett.83.3997

We consider the implications of experimental limits on the permanent electric dipole moment (EDM) of the electron and neutron for possible new parity-conserving (PC) time-reversal violating (TV) interactions. We show that the constraints derived from one-loop contributions to the EDM exceed previously reported two-loop limits by more than an order of magnitude and imply a lower bound on the new TVPC mass scale $\lamtv$ of 100 TeV for new TVPC strong interactions. These results imply a value of $10^{-15}$ or smaller for the ratio of low-energy TVPC matrix elements to those of the residual strong interaction.

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