Adelaide Research & Scholarship
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https://hdl.handle.net/2440/76523
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| Type: | Conference paper |
| Title: | Kl₃ form factor with Nf = 2+1 dynamical domain wall fermions |
| Other Titles: | Kl(3) form factor with Nf = 2+1 dynamical domain wall fermions |
| Author: | Boyle, P. Flynn, J. Juttner, A. Kenway, R. Sachrajda, C. Sasaki, S. Soni, A. Tweedie, R. Zanotti, J. |
| Citation: | Journal of Physics : Conference Series, 2008 / Barlow, R. (ed./s), vol.110, iss.10, pp.102012-1-102012-7 |
| Publisher: | Institute of Physics Publishing |
| Publisher Place: | UK |
| Issue Date: | 2008 |
| Series/Report no.: | Journal of Physics Conference Series |
| ISSN: | 1742-6588 1742-6596 |
| Conference Name: | European Physical Society (EPS) Europhysics Conference on High Energy Physics (HEP) (19 Jul 2007 - 25 Jul 2007 : Manchester, England) |
| Editor: | Barlow, R. |
| Statement of Responsibility: | P A Boyle, J M Flynn, A Jüttner, R D Kenway, C T Sachrajda, S Sasaki, A Soni, R J Tweedie and J M Zanotti |
| Abstract: | We present the latest results from the UKQCD/RBC collaborations for the K(sub)l3 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 Δf = -0.013(5)) which, when combined with the latest experimental results for K(sub)l3 decays, leads to |V(sub)us| = 0.2249(14). |
| Rights: | © 2008 IOP Publishing Ltd |
| DOI: | 10.1088/1742-6596/110/0/102012 |
| Published version: | http://dx.doi.org/10.1088/1742-6596/110/10/102012 |
| Appears in Collections: | Aurora harvest 4 Chemistry and Physics publications |
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