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Type: Conference paper
Title: Determining the Κ₁₃ form factors directly at zero momentum transfer
Other Titles: Determining the Kappa(13) form factors directly at zero momentum transfer
Author: Boyle, P.
Kelly, C.
Maynard, C.
Zanotti, J.
Flynn, J.
de Lima, H.
Sachrajda, C.
Juttner, A.
Citation: P o S - Proceedings of Science (Lat 2009), 2009; 248:1-248:7
Publisher: Scuola Internazionale Superiore di Studi Avanzati (S I S S A)
Publisher Place: Italy
Issue Date: 2009
ISSN: 1824-8039
Conference Name: International Symposium on Lattice Field Theory (27th : 2009 : Beijing, China)
Statement of
P.A. Boyle, C. Kelly, C.M. Maynard, J.M. Zanotti, J.M. Flynn, H. Pedroso de Lima, C.T. Sachrajda, A. Jüttner, RBC and UKQCD Collaborations
Abstract: We compute the K'3 form factors using partially twisted boundary conditions. The twists are chosen so that the K'3 form factors are calculated directly at zero momentum transfer (q2 = 0), removing the need for a q2 interpolation. The simulations are performed on an ensemble of the RBC/UKQCD collaboration's gauge configurations with Domain Wall Fermions and the Iwaski gauge action with an inverse lattice spacing of 1.73(3) GeV. For the value of the K'3 form factor, f Kp + (q2), determined directly at q2 = 0, we find a value of f Kp + (0) = 0.9757(38) at this particular quark mass, which agrees well with our earlier result (0.9774(35)) obtained using the standard, indirect method.
Rights: Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.
DOI: 10.22323/1.091.0248
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