Next-to-leading order QCD predictions for $A^0Z^0$ associated production at the CERN Large Hadron Collider

Details Next-to-leading order QCD predictions for $A^0Z^0$ associated production at the CERN Large Hadron Collider Next-to-leading order QCD predictions for $A^0Z^0$ associated production at the CERN Large Hadron Collider

2005-01-10

arxiv.org/abs/hep-ph/0501070v3

Phys.Rev. D72 (2005) 034032

Physics

High Energy Physics

High Energy Physics - Phenomenology

53 pages, 20 figures; the alpha_s in Eq.(70) is now evaluated at M_SUSY scale, not the \mu_r scale; numerical results updated,

Scientific paper

10.1103/PhysRevD.72.034032

We present the calculations of the complete next-to-leading order (NLO) QCD corrections (including supersymmetric QCD) to the inclusive total cross sections of the associated production processes $pp\to A^0Z^0+X$ in the Minimal Supersymmetric Standard Model at the CERN Large Hadron Collider. Both the dimensional regularization scheme and the dimensional reduction scheme are used to organize the calculations which yield the same NLO rates. The NLO correction can either enhance or reduce the total cross sections, but it generally efficiently reduces the dependence of the total cross sections on the renormalization/factorization scale. We also examine the uncertainty of the total cross sections due to the parton distribution function uncertainties.

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