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Journal of High Energy Physics

, 2016:151 | Cite as

Differential Higgs boson pair production at next-to-next-to-leading order in QCD

  • Daniel de Florian
  • Massimiliano Grazzini
  • Catalin Hanga
  • Stefan Kallweit
  • Jonas M. Lindert
  • Philipp Maierhöfer
  • Javier Mazzitelli
  • Dirk Rathlev
Open Access
Regular Article - Theoretical Physics

Abstract

We report on the first fully differential calculation for double Higgs boson production through gluon fusion in hadron collisions up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. The calculation is performed in the heavy-top limit of the Standard Model, and in the phenomenological results we focus on pp collisions at \( \sqrt{s}=14 \) TeV. We present differential distributions through NNLO for various observables including the transverse-momentum and rapidity distributions of the two Higgs bosons. NNLO corrections are at the level of 10%-25% with respect to the next-to-leading order (NLO) prediction with a residual scale uncertainty of 5%-15% and an overall mild phase-space dependence. Only at NNLO the perturbative expansion starts to converge yielding overlapping scale uncertainty bands between NNLO and NLO in most of the phase-space. The calculation includes NLO predictions for ppHH + jet + X. Corrections to the corresponding distributions exceed 50% with a residual scale dependence of 20%-30%.

Keywords

NLO Computations QCD Phenomenology 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2016

Authors and Affiliations

  • Daniel de Florian
    • 1
  • Massimiliano Grazzini
    • 2
  • Catalin Hanga
    • 2
  • Stefan Kallweit
    • 3
  • Jonas M. Lindert
    • 2
  • Philipp Maierhöfer
    • 4
  • Javier Mazzitelli
    • 1
  • Dirk Rathlev
    • 5
  1. 1.International Center for Advanced Studies (ICAS), UNSAMBuenos AiresArgentina
  2. 2.Physik-InstitutUniversität ZürichZürichSwitzerland
  3. 3.PRISMA Cluster of Excellence, Institute of PhysicsJohannes Gutenberg UniversityMainzGermany
  4. 4.Physikalisches InstitutAlbert-Ludwigs-Universität FreiburgFreiburgGermany
  5. 5.Theory Group, Deutsches Elektronen-SynchrotronHamburgGermany

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