Top quark chromomagnetic dipole moment in the littlest Higgs model with T-parity

Abstract

The littlest Higgs model with T-parity, which is called $LHT$ model, predicts the existence of the new particles, such as heavy top quark, heavy gauge bosons, and mirror fermions. We calculate the one-loop contributions of these new particles to the top quark chromomagnetic dipole moment $(CMDM)$ $\Delta K$. We find that the contribution of the $LHT$ model is one order of magnitude smaller than the standard model prediction value.

arXiv commentlatex files, 12 pages, 3 figures

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• Higgs production as a probe of anomalous top couplings
• Polarization of top quark as a probe of its chromomagnetic and chromoelectric couplings in $tW$ production at the Large Hadron Collider
• Anomalous gtt couplings in the Littlest Higgs Model with T-parity
• New estimate of the chromomagnetic dipole moment of quarks in the standard model
• Chromomagnetic and chromoelectric dipole moments of the top quark in the 4GTHDM
• Chromomagnetic and chromoelectric dipole moments of quarks in the reduced 331 model
• Probing the Anomalous Couplings of the Top Quark with Gluon at the LHC and Tevatron
• Direct photon production as a probe of quarks chromoelectric and chromomagnetic dipole moments at the LHC