Wilson fermions at fine lattice spacings: scale setting, pion form factors and (g-2)_mu

Abstract

We present an update on our on-going project to compute hadronic observables for Nf=2 flavours of O(a) improved Wilson fermions at small lattice spacings. The procedure to determine the lattice scale via the mass of the Omega baryon is described. Furthermore we present preliminary results for the pion form factor computed using twisted boundary conditions, and report on the implementation of a novel approach to determine the contribution of the hadronic vacuum polarisation to the anomalous magnetic moment of the muon.

arXiv comment7 pages, 3 figure, presented at 28 International Symposium on Lattice Field Theory, Lattice2010, June 14-19, 2010, Villasimius, Italy

References in corpus (9)

• The Muon g-2
• Trivializing maps, the Wilson flow and the HMC algorithm
• Critical slowing down and error analysis in lattice QCD simulations
• Electromagnetic form factor of the pion from twisted-mass lattice QCD at Nf=2
• The pion's electromagnetic form factor at small momentum transfer in full lattice QCD
• Localization and chiral symmetry in 2+1 flavor domain wall QCD
• Topological susceptibility with the asqtad action
• Topology, the Wilson flow and the HMC algorithm
• Mesonic and baryonic correlation functions at fine lattice spacings

Cited by in corpus (9)

• rho^0-gamma mixing in the neutral channel pion form factor |F_pi|^2 and its role in comparing e^+ e^- with tau spectral functions
• Vector Correlators in Lattice QCD: methods and applications
• Towards a precise lattice determination of the leading hadronic contribution to (g-2)_mu
• Algorithms for lattice QCD: progress and challenges
• Systematic errors in extracting nucleon properties from lattice QCD
• Towards the N_f=2 deconfinement transition temperature with O(a) improved Wilson fermions: An update
• Scale r_0 and the static potential from the CLS lattices
• Calculation of the pion electromagnetic form factor from lattice QCD
• On the efficiency of stochastic volume sources for the determination of light meson masses