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arxiv: hep-ph/0109066 · v1 · submitted 2001-09-07 · ✦ hep-ph

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QCD corrections to Associated t-tbar-H production at the Tevatron

L.Reina (Florida State University) , S.Dawson (Brookhaven National Laboratory) , D.Wackeroth (University of Rochester)
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classification ✦ hep-ph
keywords crosssectionborncorrectionsfactorizationrenormalizationtevatronalpha
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We present in detail the calculation of the O(alpha_s^3)inclusive total cross section for the process (p pbar-> t tbar h) in the Standard Model, at the Tevatron center-of-mass energy sqrt(s_H)=2 TeV. The next-to-leading order QCD corrections significantly reduce the renormalization and factorization scale dependence of the Born cross section. They slightly decrease or increase the Born cross section depending on the values of the renormalization and factorization scales

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  1. Top-associated Higgs-boson production using perturbative fragmentation functions at next-to-leading-order

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    Perturbative fragmentation functions reproduce the leading top-mass dependence of the exact NLO ttH cross section in the hybrid prescription at LHC energies.