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@ARTICLE{Borsanyi:891651,
      author       = {Borsanyi, Sz. and Fodor, Z. and Guenther, J. N. and
                      Hoelbling, C. and Katz, S. D. and Lellouch, L. and Lippert,
                      T. and Miura, K. and Parato, L. and Szabo, Kalman and
                      Stokes, F. and Toth, B. C. and Török, Csaba and Varnhorst,
                      L.},
      title        = {{L}eading hadronic contribution to the muon magnetic moment
                      from lattice {QCD}},
      journal      = {Nature},
      volume       = {593},
      number       = {7857},
      issn         = {1476-4687},
      address      = {London [u.a.]},
      publisher    = {Nature Publ. Group78092},
      reportid     = {FZJ-2021-01637},
      pages        = {51–55},
      year         = {2021},
      abstract     = {The standard model of particle physics describes the vast
                      majority of experiments and observations involving
                      elementary particles. Any deviation from its predictions
                      would be a sign of new, fundamental physics. One
                      long-standing discrepancy concerns the anomalous magnetic
                      moment of the muon, a measure of the magnetic field
                      surrounding that particle. Standard-model predictions (1)
                      exhibit disagreement with measurements (2) that is tightly
                      scattered around 3.7 standard deviations. Today, theoretical
                      and measurement errors are comparable; however, ongoing and
                      planned experiments aim to reduce the measurement error by a
                      factor of four. Theoretically, the dominant source of error
                      is the leading-order hadronic vacuum polarization (LO-HVP)
                      contribution. For the upcoming measurements, it is essential
                      to evaluate the prediction for this contribution with
                      independent methods and to reduce its uncertainties. The
                      most precise, model-independent determinations so far rely
                      on dispersive techniques, combined with measurements of the
                      cross-section of electron–positron annihilation into
                      hadrons (3,4,5,6). To eliminate our reliance on these
                      experiments, here we use ab initio quantum chromodynamics
                      (QCD) and quantum electrodynamics simulations to compute the
                      LO-HVP contribution. We reach sufficient precision to
                      discriminate between the measurement of the anomalous
                      magnetic moment of the muon and the predictions of
                      dispersive methods. Our result favours the experimentally
                      measured value over those obtained using the dispersion
                      relation. Moreover, the methods used and developed in this
                      work will enable further increased precision as more
                      powerful computers become available.},
      cin          = {JSC / NIC},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JSC-20090406 / I:(DE-Juel1)NIC-20090406},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511)},
      pid          = {G:(DE-HGF)POF4-5111},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33828303},
      UT           = {WOS:000637674000001},
      doi          = {10.1038/s41586-021-03418-1},
      url          = {https://juser.fz-juelich.de/record/891651},
}