The hadronic vacuum polarization contribution to $(g-2)_\mu$ from $2+1$ flavours of O($a$) improved Wilson quarks

Publikationstyp:
Konferenzbeitrag
Metadaten:
Autoren
  • Hartmut Wittig
  • Antoine Gerardin
  • Tim Harris
  • Georg von Hippel
  • Ben Hörz,
  • Harvey Meyer,
  • Daniel Mohler,
  • Konstantin Ottnad,
DOI
10.22323/1.334.0139
Zeitschrift
Proceedings of The 36th Annual International Symposium on Lattice Field Theory — PoS(LATTICE2018)
Name of conference
The 36th Annual International Symposium on Lattice Field Theory
Datum der Veröffentlichung
2019
Status
Published
Herausgeber
Sissa Medialab
Herausgeber URL
http://dx.doi.org/10.22323/1.334.0139
Datum der Datenerfassung
2020
Conference start date
2018
Titel
The hadronic vacuum polarization contribution to $(g-2)_\mu$ from $2+1$ flavours of O($a$) improved Wilson quarks

Datenquelle: Crossref

Andere Metadatenquellen:
Abstract
We report on our ongoing project to determine the leading-order hadronic vacuum polarisation contribution to the muon $g-2$, using ensembles with $N_f=2+1$ flavours of O($a$) improved Wilson quarks generated by the CLS effort, with pion masses down to the physical value. We employ O($a$) improved versions of the local and conserved vector currents to compute the contributions of the light, strange and charm quarks to $(g-2)_\mu$, using the time-momentum representation. We perform a detailed investigation of the systematic effects arising from constraining the long-distance regime of the vector correlator. To this end we make use of auxiliary calculations in the iso-vector channel using distillation and the L\"uscher formalism. Our results are corrected for finite-volume effects by computing the timelike pion form factor in finite and infinite volume. For certain parameter choices, the corrections computed in this way can also be confronted with results determined on different volumes. Currently, the overall precision of our results is limited by the uncertainties in the lattice scale.
Autoren
  • Antoine Gérardin
  • Tim Harris
  • Georg von Hippel
  • Ben Hörz
  • Harvey Meyer
  • Daniel Mohler
  • Konstantin Ottnad
  • Hartmut Wittig
Autoren-URL
http://arxiv.org/abs/1812.03553v1
Schlüsselwörter
  • hep-lat
  • hep-lat
  • hep-ph
Notes
To appear in: Proceedings of the 36th International Symposium on Lattice Field Theory (Lattice 2018), Michigan State University, East Lansing, USA; 7 pages
Datum der Veröffentlichung
2018
Datum der Datenerfassung
2018
Datum, an dem der Datensatz öffentlich gemacht wurde
2018
Titel
The hadronic vacuum polarization contribution to $(g-2)_μ$ from $2+1$ flavours of O($a$) improved Wilson quarks

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1812.03553v1.pdf

Datenquelle: arXiv

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