The Staggered Eta-prime with Smeared Operators

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Abstract
We present a refined calculation of the eta-prime mass using staggered fermions and Wuppertal smeared operators. We use quenched and dynamical configurations of size 16^3x32 with Nf=0, Nf=2 and Nf=4, and compare our results with the expected forms from quenched, partially quenched and unquenched chiral perturbation thoery.

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