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Photo of Rikkert Frederix

Rikkert Frederix

Senior lecturer

Photo of Rikkert Frederix

MINLO t-channel single-top plus jet

Author

  • Stefano Carrazza
  • Rikkert Frederix
  • Keith Hamilton
  • Giulia Zanderighi

Summary, in English

We present a next-to-leading order accurate simulation of t-channel single-top plus jet production matched to parton showers via the Powheg method. The calculation underlying the simulation is enhanced with a process-specific implementation of the multi-scale improved NLO (Minlo) method, such that it gives physical predictions all through phase space, including regions where the jet additional to the t-channel single-top process is unresolved. We further describe a tuning procedure for the Minlo Sudakov form factor, fitting the coefficient of the first subleading term in its exponent using an artificial neural-network. The latter tuning, implemented as a straightforward event-by-event reweighting, renders the Minlo simulation NLO accurate for t-channel single-top observables, in addition to those of the analogous single-top plus jet process.

Publishing year

2018-09-01

Language

English

Publication/Series

Journal of High Energy Physics

Volume

2018

Issue

9

Document type

Journal article

Publisher

Springer

Topic

  • Subatomic Physics

Keywords

  • NLO Computations
  • QCD Phenomenology

Status

Published

ISBN/ISSN/Other

  • ISSN: 1029-8479