Top A_FB at the Tevatron vs. charge asymmetry at the LHC in chiral U(1) flavor models with flavored Higgs doublets

Abstract

We consider the top forward-backward (FB) asymmetry at the Tevatron and top charge asymmetry at the LHC within chiral U(1)^\prime models with flavor-dependent U(1)^\prime charges and flavored Higgs fields, which were introduced in the ref. [65]. The models could enhance not only the top forward-backward asymmetry at Tevatron, but also the top charge asymmetry at LHC, without too large same-sign top pair production rates. We identify parameter spaces for the U(1)^\prime gauge boson and (pseudo)scalar Higgs bosons where all the experimental data could be accommodated, including the case with about 125 GeV Higgs boson, as suggested recently by ATLAS and CMS.

11 pages, 6 figures, figures and discussion added

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• Higgs phenomenology in Type-I 2HDM with U(1)_H Higgs gauge symmetry
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• Novel Collider and Dark Matter Phenomenology of a Top-philic Z'
• Interpretations and Implications of the Top Quark Rapidity Asymmetries $A_{FB}^t$ and $A_{FB}^{\ell }$
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• Topping-up multilepton plus b-jets anomalies at the LHC with a $Z^{\prime }$ boson
• The Charged Higgs from the Bottom-Up: Probing Flavor at the LHC
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• Top-quark forward-backward asymmetry from a color-octet t-channel resonance
• Colored bosons on top FBA and angular cross section for $t\bar{t}$ production
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