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Higgs Transverse-Momentum Resummation in Direct Space

Pier Francesco Monni1, Emanuele Re2, and Paolo Torrielli3

  • 1Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Keble Road, Oxford OX1 3NP, United Kingdom
  • 2LAPTh, Université de Savoie, CNRS, BP 110, Annecy-le-Vieux F-74941, France
  • 3Dipartimento di Fisica, Università di Torino and INFN, Sezione di Torino, Via P. Giuria 1, I-10125 Turin, Italy

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Phys. Rev. Lett. 116, 242001 – Published 17 June, 2016

DOI: https://doi.org/10.1103/PhysRevLett.116.242001

Abstract

We propose a new approach to the resummation of the transverse-momentum distribution of a high-mass color-singlet system in hadronic collisions. The resummation is performed in momentum space and is free of kinematic singularities at small transverse momentum. We derive a formula accurate at the next-to-next-to-leading-logarithmic level, and present the first matched predictions to next-to-next-to-leading order for Higgs-boson production in gluon fusion at the LHC. This method can be adapted to all observables featuring kinematic cancellations in the infrared region.

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Phys. Rev. Lett. 116, 242001– Published 17 June, 2016
  • Received 22 April 2016

© 2016 American Physical Society

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