Adelaide Research & Scholarship
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https://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: Particles and Fields, 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 |
| DOI: | 10.1140/epjc/s10052-007-0295-6 |
| Published version: | http://dx.doi.org/10.1140/epjc/s10052-007-0295-6 |
| Appears in Collections: | Aurora harvest 4 Chemistry and Physics publications |
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