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ZH production in gluon fusion at NLO in QCD

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  • Published: 03 August 2022
  • Volume 2022, article number 56, (2022)
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ZH production in gluon fusion at NLO in QCD
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  • Long Chen1,9,
  • Joshua Davies2,
  • Gudrun Heinrich  ORCID: orcid.org/0000-0002-0834-30113,
  • Stephen P. Jones4,
  • Matthias Kerner3,5,
  • Go Mishima6,
  • Johannes Schlenk7 &
  • …
  • Matthias Steinhauser8 

  • 255 Accesses

  • 8 Citations

  • 1 Altmetric

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A preprint version of the article is available at arXiv.

Abstract

We present fully differential next-to-leading order results for Higgs production in association with a Z boson in gluon fusion. Our two-loop virtual contributions are evaluated numerically using sector decomposition, including full top-quark mass effects, and supplemented at high pT by an analytic high-energy expansion to order \( {m}_Z^4,{m}_H^4,{m}_t^{32} \). Using the expanded results we also present a study of the top-quark mass scheme uncertainty at large pT.

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Authors and Affiliations

  1. Institute for Theoretical Particle Physics and Cosmology, RWTH Aachen University, 52056, Aachen, Germany

    Long Chen

  2. Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QH, U.K.

    Joshua Davies

  3. Institute for Theoretical Physics, Karlsruhe Institute of Technology, 76128, Karlsruhe, Germany

    Gudrun Heinrich & Matthias Kerner

  4. Institute for Particle Physics Phenomenology, Durham University, Durham, DH1 3LE, U.K.

    Stephen P. Jones

  5. Institute for Astroparticle Physics, Karlsruhe Institute of Technology, 76344, Eggenstein-Leopoldshafen, Germany

    Matthias Kerner

  6. Department of Physics, Tohoku University, Sendai, 980-8578, Japan

    Go Mishima

  7. Theory Group LTP, Paul Scherrer Institut, CH-5232, Villigen PSI, Switzerland

    Johannes Schlenk

  8. Institute for Theoretical Particle Physics, Karlsruhe Institute of Technology, 76128, Karlsruhe, Germany

    Matthias Steinhauser

  9. School of Physics, Shandong University, Jinan, 250100, Shandong, China

    Long Chen

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  1. Long Chen
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Correspondence to Gudrun Heinrich.

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Chen, L., Davies, J., Heinrich, G. et al. ZH production in gluon fusion at NLO in QCD. J. High Energ. Phys. 2022, 56 (2022). https://doi.org/10.1007/JHEP08(2022)056

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  • Received: 29 April 2022

  • Accepted: 22 June 2022

  • Published: 03 August 2022

  • DOI: https://doi.org/10.1007/JHEP08(2022)056

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Keywords

  • Higher-Order Perturbative Calculations
  • Higgs Production
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