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Nuclear Physics B
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Nuclear Physics B
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Nuclear Physics B
Article . 2008
License: CC BY
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https://dx.doi.org/10.48550/ar...
Article . 2008
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Electroweak and supersymmetric two-loop corrections to lepton anomalous magnetic and electric dipole moments

Authors: Feng, Tai-Fu; Sun, Lin; Yang, Xiu-Yi;

Electroweak and supersymmetric two-loop corrections to lepton anomalous magnetic and electric dipole moments

Abstract

Using the effective Lagrangian method, we analyze the electroweak corrections to the anomalous dipole moments of lepton from some special two-loop diagrams where a closed neutralino/chargino loop is inserted into relevant two Higgs doublet one-loop diagrams in the minimal supersymmetric extension of the standard model with CP violation. Considering the translational invariance of loop momenta and the electromagnetic gauge invariance, we get all dimension 6 operators and derive their coefficients. After applying equations of motion to the external leptons, we obtain the anomalous dipole moments of lepton. The numerical results imply that there is parameter space where the contributions to the muon anomalous dipole moments from this sector may be significant.

39 pages, including 7 figures

Related Organizations
Keywords

Nuclear and High Energy Physics, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Two-loop electroweak corrections, FOS: Physical sciences, Supersymmetry, Magnetic and electric dipole moments

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
48
Top 10%
Top 10%
Top 10%
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gold