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QCD Corrections to Scalar Diquark Production at Hadron Colliders

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arxiv 0909.2666 v2 pith:CY2IV2Y5 submitted 2009-09-15 hep-ph

classification hep-ph
keywords diquarkantitripletcorrectionsscalarsextetannihilationcalculatecalculated
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We calculate the next-to-leading order QCD corrections to quark-quark annihilation to a scalar resonant state ("diquark") in a color representation of antitriplet or sextet at the Tevatron and LHC energies. At the LHC, we find the enhancement (K-factor) for the antitriplet diquark is typically about 1.31--1.35, and for the sextet diquark is about 1.22--1.32 for initial-state valence quarks. The full transverse-momentum spectrum for the diquarks is also calculated at the LHC by performing the soft gluon resummation to the leading logarithm and all orders in the strong coupling.

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Cited by 1 Pith paper

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  1. Hunting and identifying coloured resonances in four top events with machine learning

    hep-ph 2025-06 conditional novelty 5.0 of 10

    A neural network analysis of four-top events projects discovery of colour octet and sextet scalars up to about 1.8 to 1.9 TeV at the HL-LHC and can distinguish their colour representations.

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