Abstract
The kaon electromagnetic form factor is calculated in the framework of coupled Schwinger–Dyson equation in rainbow approximation and Bethe–Salpeter equation in ladder approximation with the modified flat-bottom potential, which is the combination of the flat-bottom potential with considerations for the infrared and ultraviolet asymptotic behaviours of the effective quark-gluon coupling. All our numerical results give good fit to experimental values and other theoretical results.
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