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Review of lattice results concerning low-energy particle physics

Review of lattice results concerning low-energy particle physics
Review of lattice results concerning low-energy particle physics
We review lattice results related to pion, kaon, D- and B-meson physics with the aim of making them easily accessible to the particle physics community. More specifically, we report on the determination of the light-quark masses, the form factor f+(0), arising in semileptonic K -> pi transition at zero momentum transfer, as well as the decay constant ratio fK/fpi of decay constants and its consequences for the CKM matrix elements Vus and Vud. Furthermore, we describe the results obtained on the lattice for some of the low-energy constants of SU(2)LxSU(2)R and SU(3)LxSU(3)R Chiral Perturbation Theory and review the determination of the BK parameter of neutral kaon mixing. The inclusion of heavy-quark quantities significantly expands the FLAG scope with respect to the previous review. Therefore, for this review, we focus on D- and B-meson decay constants, form factors, and mixing parameters, since these are most relevant for the determination of CKM matrix elements and the global CKM unitarity-triangle fit. In addition we review the status of lattice determinations of the strong coupling constant alpha_s.
1434-6044
Aoki, S.
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Aoki, Y.
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Bernard, C.
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Blum, T.
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Colangelo, G.
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Della Morte, M.
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Dürr, S.
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El-Khadra, A. X.
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Fukaya, H.
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Horsley, R.
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Juttner, A.
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Kaneko, T.
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Laiho, J.
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Lellouch, L.
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Leutwyler, H.
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Lubicz, V.
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Lunghi, E.
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Necco, S.
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Onogi, T.
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Pena, C.
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Sachrajda, C.T.
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Sharpe, S.R.
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Simula, S.
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Sommer, R.
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Van de Water, R. S.
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Vladikas, A.
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Wenger, U.
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Wittig, H.
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Aoki, S.
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Aoki, Y.
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Bernard, C.
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Blum, T.
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Colangelo, G.
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Della Morte, M.
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Dürr, S.
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El-Khadra, A. X.
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Fukaya, H.
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Horsley, R.
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Juttner, A.
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Kaneko, T.
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Laiho, J.
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Lellouch, L.
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Leutwyler, H.
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Lubicz, V.
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Lunghi, E.
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Necco, S.
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Onogi, T.
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Pena, C.
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Sachrajda, C.T.
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Sharpe, S.R.
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Simula, S.
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Sommer, R.
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Van de Water, R. S.
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Vladikas, A.
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Wenger, U.
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Wittig, H.
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Aoki, S., Aoki, Y., Bernard, C., Blum, T., Colangelo, G., Della Morte, M., Dürr, S., El-Khadra, A. X., Fukaya, H., Horsley, R., Juttner, A., Kaneko, T., Laiho, J., Lellouch, L., Leutwyler, H., Lubicz, V., Lunghi, E., Necco, S., Onogi, T., Pena, C., Sachrajda, C.T., Sharpe, S.R., Simula, S., Sommer, R., Van de Water, R. S., Vladikas, A., Wenger, U. and Wittig, H. (2014) Review of lattice results concerning low-energy particle physics. The European Physical Journal C, 74. (doi:10.1140/epjc/s10052-014-2890-7).

Record type: Article

Abstract

We review lattice results related to pion, kaon, D- and B-meson physics with the aim of making them easily accessible to the particle physics community. More specifically, we report on the determination of the light-quark masses, the form factor f+(0), arising in semileptonic K -> pi transition at zero momentum transfer, as well as the decay constant ratio fK/fpi of decay constants and its consequences for the CKM matrix elements Vus and Vud. Furthermore, we describe the results obtained on the lattice for some of the low-energy constants of SU(2)LxSU(2)R and SU(3)LxSU(3)R Chiral Perturbation Theory and review the determination of the BK parameter of neutral kaon mixing. The inclusion of heavy-quark quantities significantly expands the FLAG scope with respect to the previous review. Therefore, for this review, we focus on D- and B-meson decay constants, form factors, and mixing parameters, since these are most relevant for the determination of CKM matrix elements and the global CKM unitarity-triangle fit. In addition we review the status of lattice determinations of the strong coupling constant alpha_s.

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Accepted/In Press date: 5 May 2014
e-pub ahead of print date: 17 September 2014
Published date: 17 September 2014
Organisations: Theoretical Partical Physics Group

Identifiers

Local EPrints ID: 393641
URI: https://eprints.soton.ac.uk/id/eprint/393641
ISSN: 1434-6044
PURE UUID: faffdaa5-0450-49e0-aec7-c4f55b68d78d

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Date deposited: 29 Apr 2016 09:40
Last modified: 14 Aug 2019 18:21

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Contributors

Author: S. Aoki
Author: Y. Aoki
Author: C. Bernard
Author: T. Blum
Author: G. Colangelo
Author: M. Della Morte
Author: S. Dürr
Author: A. X. El-Khadra
Author: H. Fukaya
Author: R. Horsley
Author: A. Juttner
Author: T. Kaneko
Author: J. Laiho
Author: L. Lellouch
Author: H. Leutwyler
Author: V. Lubicz
Author: E. Lunghi
Author: S. Necco
Author: T. Onogi
Author: C. Pena
Author: C.T. Sachrajda
Author: S.R. Sharpe
Author: S. Simula
Author: R. Sommer
Author: R. S. Van de Water
Author: A. Vladikas
Author: U. Wenger
Author: H. Wittig

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