The Neutron EDM in the SM: A Review

Dar, Shahida

The Neutron EDM in the SM: A Review

Shahida Dar
(
- ICTP, Trieste
)

Aug, 2000

37 pages

e-Print:

hep-ph/0008248 [hep-ph]

Report number:

IC-00-115,
IC-2000-115

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Abstract:

We review the status of the electric dipole moment (EDM) of neutron in the Standard Model (SM). The contributions of the strong and electroweak interactions are discussed seperately. In each case the structure of the Lagrangian and the sources of CP violation are specified, and calculational details are given subsequently. These two contributions to the neutron EDM exist in any extension of the SM including supersymmetry, two--doublet models as well as models with more than three generations of fermions. We do not discuss the EDM in such extensions; however, we briefly summarize their predictions with a detailed account of the related literature.

electroweak interaction
n: electric moment
quantum chromodynamics: vacuum state
Theta parameter
effective Lagrangian
gauge field theory: SU(2)
CP: violation
n: form factor
CKM matrix matrix
numerical calculations: interpretation of experiments

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