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Higgs effects in top anti-top production near threshold in e+ e- annihilation

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arxiv 1506.06865 v1 pith:RZGC5N5B submitted 2015-06-23 hep-ph

classification hep-ph
keywords effectscrosssectionthird-orderhiggsleadingnearproduction
verification ladder T0 review T1 audit T2 compute T3 formal

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The completion of the third-order QCD corrections to the inclusive top-pair production cross section near threshold demonstrates that the strong dynamics is under control at the few percent level. In this paper we consider the effects of the Higgs boson on the cross section and, for the first time, combine the third-order QCD result with the third-order P-wave, the leading QED and the leading non-resonant contributions. We study the size of the different effects and investigate the sensitivity of the cross section to variations of the top-quark Yukawa coupling due to possible new physics effects.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Toponia at the HL-LHC and FCC-ee

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Toponium ηt and ψt states have promising discovery channels at HL-LHC (ηt b bbar, about 6σ) and FCC-ee (ψt interference in b bbar, about 14σ), while P-wave states remain out of reach.

  2. Toponium: the smallest bound state and simplest hadron in quantum mechanics

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Using the b-quark production ratio at sqrt(s) near 341 GeV, a simulated CEPC experiment could discover toponium at over 5 sigma and measure the top 1S mass to about 33 MeV.

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