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QCD corrections to scalar diquark production at hadron colliders
Han, Tao ; Lewis, Ian M. ; McElmurry, Thomas
Han, Tao
Lewis, Ian M.
McElmurry, Thomas
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Abstract
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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Date
2010-01-29
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Scuola Internazionale Superiore di Studi Avanzati
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Keywords
NLO computations, Beyond standard model, Hadronic colliders, QCD
Citation
Han, T., Lewis, I. & McElmurry, T., QCD corrections to scalar diquark production at hadron colliders, J. High Energ. Phys. (2010) 2010: 123. doi:10.1007/JHEP01(2010)123