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Lattice QCD with High Precision

In: High Performance Computing in Science and Engineering '23

Author

Listed:
  • Zoltan Fodor

    (Wuppertal University, Department of Physics
    Eötvös University, Institute for Theoretical Physics
    Forschungszentrum Jülich, Jülich Supercomputing Centre)

  • Fabian Frech

    (Wuppertal University, Department of Physics)

  • Christian Hoelbling

    (Wuppertal University, Department of Physics)

  • Balint Toth

    (Wuppertal University, Department of Physics)

Abstract

In 2021 an experiment at the Fermi National Accelerator Laboratory (FNAL) near Chicago confirmed a puzzling discrepancy regarding an elementary particle, called muon. The event received significant media attention. On the same day, our ab-initio calculation was published in Nature, challenging previous computations and bringing the theoretical prediction closer to the experimental value: no new forces or particles may be needed to explain the FNAL measurement. Ours is the most precise ab-initio calculation so far, with uncertainties comparable to those of the measurement and of the reference, data-driven computations. These computations were carried out -among other resources- using previous allocations on HAWK.

Suggested Citation

  • Zoltan Fodor & Fabian Frech & Christian Hoelbling & Balint Toth, 2026. "Lattice QCD with High Precision," Springer Books, in: Thomas Ludwig & Peter Bastian & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '23, pages 17-27, Springer.
    • Handle: RePEc:spr:sprchp:978-3-031-91312-9_2
    DOI: 10.1007/978-3-031-91312-9_2
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