4.7 Article

NNLO interpolation grids for jet production at the LHC

Journal

EUROPEAN PHYSICAL JOURNAL C
Volume 82, Issue 10, Pages -

Publisher

SPRINGER
DOI: 10.1140/epjc/s10052-022-10880-2

Keywords

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Funding

  1. UK Science and Technology Facilities Council (STFC) [ST/T001011/1]
  2. Swiss National Science Foundation (SNF) [200021-197130, 200020-204200]
  3. Research Executive Agency (REA) of the European Union through the ERC Advanced Grant MC@NNLO [340983]
  4. state of Baden-Wurttemberg through bwHPC
  5. German Research Foundation (DFG) [INST 39/963-1 FUGG]
  6. IPPP Associateship program
  7. Fundacao para a Ciencia e Tecnologia (FCT, Portugal) [UIDP/50007/2020, CERN/FIS-PAR/0024/2019]
  8. Swiss National Science Foundation (SNF) [200021_197130] Funding Source: Swiss National Science Foundation (SNF)

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Fast interpolation-grid frameworks are efficient and flexible tools for evaluating higher-order predictions and extracting parton distribution functions and Standard Model parameters. The APPLFAST project provides a generic interface for grid interpolation and has been applied to jet production at the LHC.
Fast interpolation-grid frameworks facilitate an efficient and flexible evaluation of higher-order predictions for any choice of parton distribution functions or value of the strong coupling alpha(s). They constitute an essential tool for the extraction of parton distribution functions and Standard Model parameters, as well as studies of the dependence of cross sections on the renormalisation and factorisation scales. The APPLFAST project provides a generic interface between the parton-level Monte Carlo generator NNLOJET and both the APPLGRID and the FASTNLO libraries for the grid interpolation. The extension of the project to include hadron-hadron collider processes at next-to-next-to-leading order in perturbative QCD is presented, together with an application for jet production at the LHC.

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