2007

Methods for Pseudoscalar Flavour-Singlet Mesons with Staggered Fermions

Gregory, Eric B., Irving, Alan C., Richards, Chris M. et al.

Understand

We present the first 2+1 flavour lattice QCD calculations of pseudoscalar flavour-singlet propagators using improved staggered fermions.

We explore the relevant techniques and discuss prospects for the larger scale studies now in progress.
The disconnected correlator is shown to have a highly non-Gaussian distribution and reliable estimates of the errors require care.

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