Resummation prescriptions and ambiguities in SCET vs. direct QCD: Higgs production as a case study

  title={Resummation prescriptions and ambiguities in SCET vs. direct QCD: Higgs production as a case study},
  author={M. Bonvini and S. Forte and G. Ridolfi and L. Rottoli},
  journal={Journal of High Energy Physics},
  • M. Bonvini, S. Forte, +1 author L. Rottoli
  • Published 2015
  • Physics
  • Journal of High Energy Physics
  • A bstractWe perform a comparison of soft-gluon resummation in SCET vs. direct QCD (dQCD), using Higgs boson production in gluon fusion as a case study, with the goal of tracing the quantitative impact of each source of difference between the two approaches. We show that saddle-point methods enable a direct quantitative comparison despite the fact that the scale which is resummed in the two approaches is not the same. As a byproduct, we put in one-to-one analytic correspondence various features… CONTINUE READING

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