Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/75957
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Type: Journal article
Title: The pion form factor from lattice QCD with two dynamical flavours
Author: Brommel, D.
Diehl, M.
Gockeler, M.
Hagler, P.
Horsley, R.
Nakamura, Y.
Pleiter, D.
Rakow, P.
Schafer, A.
Schierholz, G.
Stüben, H.
Zanotti, J.
Citation: European Physical Journal C, 2007; 51(2):335-345
Publisher: Springer
Issue Date: 2007
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
D. Brömmel, M.Diehl, M.Göckeler, P.Hägler, R.Horsley, Y. Nakamura, D. Pleiter, P.E.L. Rakow, A. Schäfer, G. Schierholz, H. Stüben, J.M. Zanotti
Abstract: We compute the electromagnetic form factor of the pion, using non-perturbatively O(a) improved Wilson fermions. The calculations are done for a wide range of pion masses and lattice spacings. We check for finite size effects by repeating some of the measurements on smaller lattices. The large number of lattice parameters we use allows us to extrapolate to the physical point. For the square of the charge radius we find <r²>=0.444(20) fm², in good agreement with experiment.
Rights: © Springer-Verlag / Società Italiana di Fisica 2007
RMID: 0020120176
DOI: 10.1140/epjc/s10052-007-0295-6
Appears in Collections:Chemistry and Physics publications

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