One-loop operator matching in the static heavy and domain-wall light quark system with O(a) improvement
One-loop operator matching in the static heavy and domain-wall light quark system with O(a) improvement
We discuss perturbative O(g2a) matching with static heavy quarks and domainwall light quarks for lattice operators relevant to B-meson decays and B0–¯B 0 mixing. The chiral symmetry of the light domain-wall quarks does not prohibit operator mixing at O(a) for these operators. The O(a) corrections to physical quantities are non-negligible and must be included to obtain high-precision simulation results for CKM physics. We provide results using plaquette, Symanzik, Iwasaki and DBW2 gluon actions and applying APE, HYP1 and HYP2 link-smearing for the static quark action.
Ishikawa, Tomomi
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Aoki, Yasumichi
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Flynn, Jonathan M.
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Izubuchi, Taku
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Loktik, Oleg
ea8e4b6c-85ba-42c3-beec-d8c5f3c32b88
9 May 2011
Ishikawa, Tomomi
91ea7197-e2c6-49fa-b83e-760a9b017a8f
Aoki, Yasumichi
8d23e427-1114-425a-93a8-3559cec9bab3
Flynn, Jonathan M.
d8e90963-ba56-415c-bbd4-496b7d91d343
Izubuchi, Taku
777b2caf-5063-400b-8f28-864e57938e54
Loktik, Oleg
ea8e4b6c-85ba-42c3-beec-d8c5f3c32b88
Ishikawa, Tomomi, Aoki, Yasumichi, Flynn, Jonathan M., Izubuchi, Taku and Loktik, Oleg
(2011)
One-loop operator matching in the static heavy and domain-wall light quark system with O(a) improvement.
Journal of High Energy Physics, 2011 (5).
(doi:10.1007/JHEP05(2011)040).
Abstract
We discuss perturbative O(g2a) matching with static heavy quarks and domainwall light quarks for lattice operators relevant to B-meson decays and B0–¯B 0 mixing. The chiral symmetry of the light domain-wall quarks does not prohibit operator mixing at O(a) for these operators. The O(a) corrections to physical quantities are non-negligible and must be included to obtain high-precision simulation results for CKM physics. We provide results using plaquette, Symanzik, Iwasaki and DBW2 gluon actions and applying APE, HYP1 and HYP2 link-smearing for the static quark action.
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Published date: 9 May 2011
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Physics & Astronomy
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Local EPrints ID: 367719
URI: http://eprints.soton.ac.uk/id/eprint/367719
PURE UUID: 6b4234c7-0912-4eaf-86aa-77e770a40b1a
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Date deposited: 05 Aug 2014 16:57
Last modified: 15 Mar 2024 02:45
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Author:
Tomomi Ishikawa
Author:
Yasumichi Aoki
Author:
Taku Izubuchi
Author:
Oleg Loktik
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