Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2003-03-06
Phys.Lett. B566 (2003) 131-136
Physics
High Energy Physics
High Energy Physics - Lattice
8 pages, LaTex, 2 figures
Scientific paper
10.1016/S0370-2693(03)00559-8
We calculate the electromagnetic form factor of the pion in lattice gauge
theory. The non-perturbatively improved Sheikoleslami-Wohlert lattice action is
used together with the O(a) improved current. The form factor is compared to
results for other choices for the current and features of the structure of the
pion deduced from the 'Bethe-Salpeter wave function' are discussed.
der Heide Jan van
Koch Justus H.
Laermann Edwin
Lutterot M.
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