A New Approach to eta' on the Lattice

Details A New Approach to eta' on the Lattice A New Approach to eta' on the Lattice

2001-10-14

arxiv.org/abs/hep-lat/0110077v1

Nucl.Phys.Proc.Suppl.106:227-229,2002

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice(spectrum)

Scientific paper

10.1016/S0920-5632(01)01671-1

We perform an eta' mass analysis based on a total of 1130 dynamical gauge field configurations, with 5 different quark mass values on lattices of size 16^3*32 (SESAM) and 24^3*40 (TkL) at beta = 5.6. We employ the stochastic estimator technique and spectral methods to deal with the disconnected piece of the flavour singlet correlation function. We demonstrate that very early plateau formation in the local eta' mass can be achieved by first ground state projecting the connected piece of its correlator.

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