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A new approach for Delta form factors

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arxiv 1010.0202 v1 pith:ZTJWK4Z2 submitted 2010-10-01 hep-lat

C. Aubin , K. Orginos This is my paper · ORCID
classification hep-lat
keywords functionsapproachdeltadiscussexcitedfactorsformstate
verification ladder T0 review T1 audit T2 compute T3 formal
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We discuss a new approach to reducing excited state contributions from two- and three-point correlation functions in lattice simulations. For the purposes of this talk, we focus on the Delta(1232) resonance and discuss how this new method reduces excited state contamination from two-point functions and mention how this will be applied to three-point functions to extract hadronic form factors.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Block Lanczos algorithm for lattice QCD spectroscopy and matrix elements

    hep-lat 2024-12 conditional novelty 7.0 of 10

    Block Lanczos is shown to generalize the GEVP method for lattice QCD correlator matrices, providing faster convergence, two-sided error bounds, and improved signal-to-noise.

  2. BMW/DMZ calculation of the hadronic vacuum polarisation for the muon magnetic moment

    hep-lat 2026-03 conditional novelty 6.0 of 10

    A hybrid lattice-QCD plus e+e- data determination of the hadronic vacuum polarisation gives a Standard Model muon g-2 prediction 0.5σ from experiment, at 0.45% precision.

  3. Hybrid calculation of hadronic vacuum polarization in muon g-2 to 0.48\%

    hep-lat 2024-07 unverdicted novelty 4.0 of 10

    Lattice QCD on finer grids yields a_μ^LO-HVP = 715.1(3.4)×10^{-10}, producing a standard-model prediction for a_μ that differs from experiment by only 0.5 sigma.

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