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T: Fachverband Teilchenphysik

T 59: QCD Theory and Experiment I

T 59.3: Vortrag

Mittwoch, 22. März 2023, 16:20–16:35, HSZ/0105

Fast simulations with NNLO QCD accuracy - new developments in the APPLfast project — •Lucas Kunz — Karlsruhe Institute of Technology, Karlsruhe, Germany

The calculation of theoretical predictions for hadron colliders at higher orders in perturbation theory involves computing time expensive iterative procedures. The same is true for the extraction of parton distribution functions (PDFs) from measured data. Hence, to produce results in reasonable time, a very efficient and flexible setup is needed. The APPLfast project fulfills these requirements by linking the parton-level Monte Carlo program NNLOJET with both the APPLgrid and fastNLO grid libraries, thereby allowing for an a posteriori choice of a set of PDFs or value of the strong coupling constant. This talk will give an overview of the project, focusing on an explanation of the general logic and on possible applications rather than technical details. We will further present some first results for NNLO dijet production at the LHC, both at leading and full color.