The pion and kaon electromagnetic form factors
Abstract
We use recent data on K+ -> pi+e+e-, together with known values for the pion form factor, to derive the kaon electromagnetic form factor for 0 <q2 <0.125 (GeV/c)2. The results are then compared with predictions of the Linear sigma Model, a quark-triangle model and Vector Meson Dominance. The first two models describe the data at least qualitatively, but the simple Vector Meson Dominance picture gives a detailed quantitative fit to the experimental results.
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