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Explorations of the Top Quark Forward-Backward Asymmetry at the Tevatron

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arxiv 0911.3237 v1 pith:B4IDAE6B submitted 2009-11-17 hep-ph hep-ex

classification hep-phhep-ex
keywords asymmetryforward-backwardmeasurementquarktevatronchannelcolorcompared
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We consider the recent measurement of the top quark forward-backward asymmetry at the Fermilab Tevatron, which shows a discrepancy of slightly more than 2$\sigma$ compared to the SM prediction. We find that $t$-channel exchange of a color sextet or triplet scalar particle can explain the measurement, while leaving the cross section for $t \bar{t}$ production within measured uncertainties. Such particles have good discovery prospects by study of the kinematic structure of $t \bar{t}$+jets at the LHC.

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Cited by 1 Pith paper

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  1. Unveiling E$_6$SSM Scalar Diquarks at the HL-LHC

    hep-ph 2024-12 conditional novelty 5.0 of 10

    A detector-level Monte Carlo study finds that pair-produced E6SSM scalar diquarks decaying to top-bottom pairs could be observed with >3 sigma statistical significance at the HL-LHC for masses up to 900 GeV.

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