Constraining dimension-six nonminimal Lorentz-violating electron-nucleon interactions with EDM physics

Araujo, Jonas B.; Blin, A.H.; Sampaio, Marcos; Ferreira, Manoel M.

doi:10.1103/PhysRevD.100.015046

Constraining dimension-six nonminimal Lorentz-violating electron-nucleon interactions with EDM physics

Feb 26, 2019

11 pages

Published in:

Phys.Rev.D 100 (2019) 1, 015046

Published: Jul 30, 2019

e-Print:

1902.10329 [hep-ph]

DOI:

10.1103/PhysRevD.100.015046

View in:

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Abstract: (APS)

The electric dipole moment (EDM) of an atom could arise also from P-odd and T-odd electron-nucleon couplings. In this work we investigate a general class of dimension-6 electron-nucleon (e-N) nonminimal interactions mediated by Lorentz-violating (LV) tensors of rank ranging from 1 to 4. The possible couplings are listed as well as their behavior under C, P, and T, allowing us to select the couplings compatible with EDM physics. The unsuppressed contributions of these couplings to the atom’s Hamiltonian can be read as EDM-equivalent. The LV coefficients’ magnitudes are limited using EDM experimental data to the level of 3.2×10-13 (GeV)-2 or 1.6×10-15 (GeV)-2.

Note:

13 pages

11.30.Cp
11.30.Er
13.40.Em
Beyond the standard model
electron nucleon: interaction
interaction: nonminimal
electron: electric moment
atom: electric moment
moment: dipole
Hamiltonian

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