Pseudoscalar Flavor-Singlet Physics with Staggered Fermions

Details Pseudoscalar Flavor-Singlet Physics with Staggered Fermions Pseudoscalar Flavor-Singlet Physics with Staggered Fermions

2007-10-09

arxiv.org/abs/0710.1725v1

PoSLAT2007:099,2007

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 5 figures. Presented at the XXV International Symposium on Lattice Field Theory, July 30 - August 4 2007, Regensburg,

Scientific paper

Accurately calculating the mass of flavor-singlet meson states from numerical lattice simulations is an important milestone for lattice QCD. Careful measurement of the full pseudoscalar flavor-singlet propagator is also a crucial step in understanding the dynamics of the fermion sea on the lattice, in particular for potentially non-trivial formulations such as with 2+1-flavor staggered fermions. We briefly describe details of a dynamical QCD calculation using improved staggered fermions, with 30,000 trajectories, that was run for our studies of flavour singlet mesons.

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