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NNLO QCD Corrections to the Higgs-Strahlung Processes at Hadron Colliders

Abstract : We implement, at next-to-next-to-leading order, the QCD corrections to Standard Model Higgs boson production in association with vector bosons at hadron colliders, $q\bar{q} \to HV$ with $V=W,Z$. They consist of the two--loop corrections to the Drell--Yan process for the production of off-shell vector bosons, $q\bar{q} \to V^*$, and in the case of $Z$ final states, of the additional contribution from heavy-quark loop mediated processes, in particular $gg \to HZ$. For the Higgs boson masses relevant at the Tevatron and the LHC, $M_H \lsim 200$--300 GeV, the two-loop corrections are small, increasing the production cross sections by less than 5% and 10%, respectively; the scale dependence is reduced to a level of less than a few per cent. This places these processes among the most theoretically clean Higgs boson production channels at hadron colliders.
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https://hal.archives-ouvertes.fr/hal-00315011
Contributor : Logiciel Aigle <>
Submitted on : Wednesday, August 27, 2008 - 4:42:59 PM
Last modification on : Tuesday, June 30, 2020 - 10:24:02 AM

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Abdelhak Djouadi, O. Brein, R. Harlander. NNLO QCD Corrections to the Higgs-Strahlung Processes at Hadron Colliders. Physics Letters B, Elsevier, 2004, 579 (1-2), pp.149-156. ⟨10.1016/j.physletb.2003.10.112⟩. ⟨hal-00315011⟩

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