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Chiral and continuum extrapolation of partially-quenched hadron masses / Thomas Anthony, Derek Bruce Leinweber, Ross Daniel Young, W. Armour, Chris Allton

Volume: "LAT2005", Start page: 049

Swansea University Author: Chris Allton

Abstract

Using the finite-range regularisation (FRR) of chiral effective field theory, the chiral extrapolation formula for the vector meson mass is derived for the case of partially-quenched QCD. We re-analyse the dynamical fermion QCD data for the vector meson mass from the CP-PACS collaboration. A global...

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Published: 2005
Online Access: http://inspirehep.net/record/696648
URI: https://cronfa.swan.ac.uk/Record/cronfa28479
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Abstract: Using the finite-range regularisation (FRR) of chiral effective field theory, the chiral extrapolation formula for the vector meson mass is derived for the case of partially-quenched QCD. We re-analyse the dynamical fermion QCD data for the vector meson mass from the CP-PACS collaboration. A global fit, including finite lattice spacing effects, of all 16 of their ensembles is performed. We study the FRR method together with a naive polynomial approach and find excellent agreement ~1% with the experimental value of M_rho from the former approach. These results are extended to the case of the nucleon mass.
College: College of Science
Start Page: 049