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K(l3) form factor with N(f) = 2+1 dynamical domain wall fermions: A progress report

Record type: Article

We present the latest results from the UKQCD/RBC collaborations for the Kl3 form factor from simulations with 2 + 1 flavours of dynamical domain wall quarks. Simulations are performed on lattices with two different volumes and four values of the light quark mass, allowing for an extrapolation to the chiral limit. The analysis includes a thorough investigation into the sources of systematic error in our fits. After interpolating to zero momentum transfer, we obtain f+(0) = 0.964(5) (or ?f = -0.013(5)) which, when combined with the latest experimental results for Kl3 decays, leads to |Vus| = 0.2249(14).

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Citation

Boyle, P.A., Flynn, J.M., Juttner, A., Kenway, R.D., Sachrajda, C.T., Sasaki, S., Soni, A., Tweedie, R.J. and Zanotti, J.M. (2007) K(l3) form factor with N(f) = 2+1 dynamical domain wall fermions: A progress report Journal of Physics: Conference Series, 110, 102012 -[6pp]. (doi:10.1088/1742-6596/110/10/102012).

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Published date: 2007

Identifiers

Local EPrints ID: 56970
URI: http://eprints.soton.ac.uk/id/eprint/56970
ISSN: 1742-6588
PURE UUID: c2e9aefc-7182-4211-bcd8-b084ed2bcded
ORCID for J.M. Flynn: ORCID iD orcid.org/0000-0002-6280-1677

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Date deposited: 19 Aug 2008
Last modified: 17 Jul 2017 14:29

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Contributors

Author: P.A. Boyle
Author: J.M. Flynn ORCID iD
Author: A. Juttner
Author: R.D. Kenway
Author: C.T. Sachrajda
Author: S. Sasaki
Author: A. Soni
Author: R.J. Tweedie
Author: J.M. Zanotti

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