Soft triple-real radiation for Higgs production at N3LO

Anastasiou, Charalampos;Duhr, Claude;Dulat, Falko;Mistlberger, Bernhard
(2013) Journal of High Energy Physics — Vol. 2013, n° 7, p. 3 (2013)

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Authors
  • Anastasiou, Charalampos
    Author
  • Duhr, ClaudeUCLouvain
    Author
  • Dulat, Falko
    Author
  • Mistlberger, Bernhard
    Author
Abstract
We present the two first terms in the threshold expansion of Higgs production partonic cross-sections at hadron colliders for processes with three partons in the final state. These are contributions to the inclusive Higgs cross-section in gluon fusion at N(3)LO. We have developed a new technique for the expansion of the squared matrix-elements around the soft limit and for the reduction of the required phase-space integrals to only ten single-scale master integrals. We compute the master integrals building upon modern techniques for the integration of multidimensional integrals in dimensional regularization. Our results constitute an important step towards a systematic computation of the Higgs boson cross-section as an expansion around the threshold limit.
Affiliations
  • ETH ZurichInstitut für Theoretische Physik

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Anastasiou, C., Duhr, C., Dulat, F., & Mistlberger, B. (2013). Soft triple-real radiation for Higgs production at N3LO. Journal of High Energy Physics, 2013(7), 3. https://doi.org/10.1007/JHEP07(2013)003 (Original work published 2013)