Leading-order hadronic contribution to the anomalous magnetic moment of the muon from $N_f=2+1+1$ twisted mass fermions
| Autor: | Florian Burger, Karl Jansen, Grit Hotzel, Dru B. Renner, Marcus Petschlies, Xu Feng |
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| Rok vydání: | 2014 |
| Předmět: |
Quantum chromodynamics
Physics Quark Particle physics Muon Anomalous magnetic dipole moment High Energy Physics::Lattice High Energy Physics - Lattice (hep-lat) Nuclear Theory High Energy Physics::Phenomenology Hadron Extrapolation FOS: Physical sciences Fermion High Energy Physics - Lattice Pion High Energy Physics::Experiment |
| Zdroj: | PoS(LATTICE2013) (2013). 31st International Symposium on Lattice Field Theory, Mainz, Germany |
| DOI: | 10.22323/1.187.0301 |
| Popis: | We present results for the leading order QCD correction to the anomalous magnetic moment of the muon including the first two generations of quarks as dynamical degrees of freedom. Several light quark masses are examined in order to yield a controlled extrapolation to the physical pion mass. We analyse ensembles for three different lattice spacings and several volumes in order to investigate lattice artefacts and finite-size effects, respectively. We also provide preliminary results for this quantity for two flavours of mass-degenerate quarks at the physical value of the pion mass. Comment: 7 pages, 7 figures, presented at the 31st International Symposium on Lattice Field Theory (Lattice 2013), 29 July - 3 August 2013, Mainz, Germany |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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