Light-quark FLIC fermion simulations of the 1-+ exotic meson
Date
2005
Authors
Hedditch, J.
Lasscock, B.
Leinweber, D.
Williams, A.
Kamleh, W.
Zanotti, J.
Editors
Irving, A.
McNeile, C.
Michael, C.
McNeile, C.
Michael, C.
Advisors
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Conference paper
Citation
Proceedings of Science: XXIIIrd International Symposium on Lattice Field Theory, 25-30 July 2005 / pp.040/1-040/6
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International Symposium on Lattice Field Theory (23rd : 2005 : Dublin, Ireland)
Abstract
We investigate the mass of the 1⁻⁺ exotic meson, created with hybrid interpolating fields. Access to light quark masses approaching 25 MeV is facilitated by the use of the Fat-Link Irrelevant Clover (FLIC) fermion action, and large (20³ ×40) lattices. Our results indicate that the 1⁻⁺ exotic exhibits significant curvature close to the chiral limit, and yield a 1⁻⁺ mass in agreement with the π 1(1600) candidate and exclusive of the π1(1400).
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Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.