Journal article 973 views
Chiral and continuum extrapolation of partially-quenched lattice results
,
Derek Bruce Leinweber,
Ross Daniel Young,
W. Armour,
Chris Allton
Physics Letters B, Volume: 628, Issue: 1-2, Pages: 125 - 130
Swansea University Author:
Chris Allton
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DOI (Published version): 10.1016/j.physletb.2005.09.020
Abstract
The vector meson mass is extracted from a large sample of partially quenched, two-flavor lattice QCD simulations. For the first time, discretisation, finite-volume and partial quenching artefacts are treated in a unified framework which is consistent with the low-energy behaviour of QCD. This analys...
| Published in: | Physics Letters B |
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| ISSN: | 03702693 |
| Published: |
2005
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa28478 |
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| Abstract: |
The vector meson mass is extracted from a large sample of partially quenched, two-flavor lattice QCD simulations. For the first time, discretisation, finite-volume and partial quenching artefacts are treated in a unified framework which is consistent with the low-energy behaviour of QCD. This analysis incorporates the leading infrared behaviour dictated by chiral effective field theory. As the two-pion decay channel cannot be described by a low-energy expansion alone, a highly-constrained model for the decay channel of the rho-meson is introduced. The latter is essential for extrapolating lattice results from the quark-mass regime where the rho is observed to be a physical bound state. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
1-2 |
| Start Page: |
125 |
| End Page: |
130 |