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


Boyle, P.A., Kenway, R.D., Tweedie, R.J. and Zanotti, J.M. (2007) K(l3) form factor with N(f) = 2+1 dynamical domain wall fermions. In, Bali, Gunnar, Braun, Vladimir, Gattringer, Christof, Göckeler, Meinulf, Schäfer, Andreas, Weisz, Peter and Wettig, Tilo (eds.) Proceedings of Lattice 2007, The XXV International Symposium on Lattice Field Theory. Lattice 2007, The XXV International Symposium on Lattice Field Theory Trieste, Italy, International School for Advanced Studies. (Proceedings of Science). (380).

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Description/Abstract

We present the latest results from the UKQCD/RBC collaborations for the Kl3 form factor from
simulations with 2+1 avours 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 ts. After interpolating to zero momentum transfer, we obtain f+(0) =
0:964(5) (or Df =

Item Type: Book Section
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Subjects: Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > School of Physics and Astronomy
ePrint ID: 57118
Date Deposited: 20 Aug 2008
Last Modified: 27 Mar 2014 18:39
Publisher: International School for Advanced Studies
URI: http://eprints.soton.ac.uk/id/eprint/57118

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