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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
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
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
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).

Record type: Article

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
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 367719
URI: https://eprints.soton.ac.uk/id/eprint/367719
PURE UUID: 6b4234c7-0912-4eaf-86aa-77e770a40b1a
ORCID for Jonathan M. Flynn: ORCID iD orcid.org/0000-0002-6280-1677

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Date deposited: 05 Aug 2014 16:57
Last modified: 06 Jun 2018 13:09

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Contributors

Author: Tomomi Ishikawa
Author: Yasumichi Aoki
Author: Taku Izubuchi
Author: Oleg Loktik

University divisions

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