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Hadronic observables from master-field simulations

  • Marco Cè*
  • , Mattia Bruno
  • , John Bulava
  • , Anthony Francis
  • , Patrick Fritzsch
  • , Jeremy R. Green
  • , Maxwell T. Hansen
  • , Antonio Rago
  • *Corresponding author for this work
  • University of Bern
  • University of Milano-Bicocca
  • Deutsches Elektronen-Synchrotron
  • National Chiao Tung University
  • Trinity College Dublin
  • The University of Edinburgh
  • CERN

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

Substantial progress has been made recently in the generation of master-field ensembles. This has to be paired with efficient techniques to compute observables on gauge field configurations with a large volume. Here we present the results of the computation of hadronic observables, including hadron masses and meson decay constants, on large-volume and master-field ensembles with physical volumes of up to (18 fm)4 and mπL up to 25, simulated using Nf = 2 + 1 stabilized Wilson fermions. We obtain sub-percent determinations from single gauge configurations with the combined use of position-space techniques, volume averages and master-field error estimation.

Original languageEnglish
Article number052
JournalProceedings of Science
Volume430
Number of pages10
ISSN1824-8039
DOIs
Publication statusPublished - 6. Apr 2023
Event39th International Symposium on Lattice Field Theory, LATTICE 2022 - Bonn, Germany
Duration: 8. Aug 202213. Aug 2022

Conference

Conference39th International Symposium on Lattice Field Theory, LATTICE 2022
Country/TerritoryGermany
CityBonn
Period08/08/202213/08/2022

Funding

Acknowledgements: The research of MB is funded through the MUR program for young researchers “Rita Levi Montalcini”. AF acknowledges support by the Ministry of Science and Technology Taiwan (MOST) under grant 111-2112-M-A49-018-MY2. JRG acknowledges support from the Simons Foundation through the Simons Bridge for Postdoctoral Fellowships scheme. MTH is supported by UKRI Future Leader Fellowship MR/T019956/1 and in part by UK STFC grant ST/P000630/1. This work was performed using the DiRAC Data Intensive service at Leicester, operated by the University of Leicester IT Services, which forms part of the STFC DiRAC HPC Facility (www.dirac.ac.uk). The equipment was funded by BEIS capital funding via STFC capital grants ST/K000373/1 and ST/R002363/1 and STFC DiRAC Operations grant ST/R001014/1. DiRAC is part of the National e-Infrastructure. We acknowledge PRACE for awarding us access to SuperMUC-NG at GCS@LRZ, Germany, where some computations were performed Many The research of MB is funded through the MUR program for young researchers “Rita Levi Montalcini”. AF acknowledges support by the Ministry of Science and Technology Taiwan (MOST) under grant 111-2112-M-A49-018-MY2. JRG acknowledges support from the Simons Foundation through the Simons Bridge for Postdoctoral Fellowships scheme. MTH is supported by UKRI Future Leader Fellowship MR/T019956/1 and in part by UK STFC grant ST/P000630/1. This work was performed using the DiRAC Data Intensive service at Leicester, operated by the University of Leicester IT Services, which forms part of the STFC DiRAC HPC Facility (www.dirac.ac.uk). The equipment was funded by BEIS capital funding via STFC capital grants ST/K000373/1 and ST/R002363/1 and STFC DiRAC Operations grant ST/R001014/1. DiRAC is part of the National e-Infrastructure. We acknowledge PRACE for awarding us access to SuperMUC-NG at GCS@LRZ, Germany, where some computations were performed Many simulations were performed on a dedicated HPC cluster at CERN. We gratefully acknowledge the computer resources and the technical support provided by these institutions.

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