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Light quenched hadron spectrum and decay constants on different lattices / F. Rapuano, V. Gimenez, Leonardo Giusti, Chris Allton

Nuclear Physics B, Volume: 489, Issue: 1-2, Pages: 427 - 452

Swansea University Author: Chris Allton

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Abstract

In this paper we study O(2000) (quenched) lattice configurations from the APE collaboration, for different lattice volumes and for 6.0 \le beta \le 6.4 using both the Wilson and the SW-Clover fermion actions. We determine the light hadronic spectrum and meson decay constants and study the mesonic di...

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Published in: Nuclear Physics B
ISSN: 05503213
Published: 1997
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa28457
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Abstract: In this paper we study O(2000) (quenched) lattice configurations from the APE collaboration, for different lattice volumes and for 6.0 \le beta \le 6.4 using both the Wilson and the SW-Clover fermion actions. We determine the light hadronic spectrum and meson decay constants and study the mesonic dispersion relation. We extract the hadronic variable J and the strange quark mass in the continuum at the next-to-leading order obtaining m_s~{MSbar}(mu=2 GeV) = 122 +/- 20 MeV. A study is made of their dependence on lattice spacing. We implement a newly developed technique to extract the inverse lattice spacing using data at the simulated values of the quark mass (i.e. at masses around the strange quark mass).
College: College of Science
Issue: 1-2
Start Page: 427
End Page: 452