Methods for Pseudoscalar Flavour-Singlet Mesons with Staggered Fermions

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-Ga...

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Published in:arXiv.org 2007-09
Main Authors: Gregory, Eric B, Irving, Alan C, Richards, Chris M, McNeile, Craig
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Language:English
Subjects:
Fermions
Gaussian distribution
Mesons
Normal distribution
Quantum chromodynamics
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Irving, Alan C
Richards, Chris M
McNeile, Craig
description 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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subjects Fermions
Gaussian distribution
Mesons
Normal distribution
Quantum chromodynamics
title Methods for Pseudoscalar Flavour-Singlet Mesons with Staggered Fermions
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