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arXiv · hep-ph/0701098

Chromomagnetic Dipole Moment of the Top Quark Revisited

R. Martínez·M. A. Pérez·N. Poveda T
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Abstract

We study the complete one-loop contributions to the chromagnetic dipole moment $Δκ$ of the top quark in the Standard Model, two Higgs doublet models, topcolor assited technicolor models (TC2), 331 models and extended models with a single extra dimension. We find that the SM predicts $Δκ= - 0.056$ and that the predictions of the other models are also consitent with the constraints imposed on $Δκ$ by low-energy precision measurements.

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R. Martínez, M. A. Pérez, N. Poveda T. 2007-10-17. Chromomagnetic Dipole Moment of the Top Quark Revisited. https://doi.org/10.1140/epjc%2Fs10052-007-0457-6

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