Scalar Form Factor of the Pion in the Kroll-Lee-Zumino Field Theory

<div>Leading order (LO) contribution to the scalar form factor of the pion. The cross indicates the coupling of the scalar current to two pions.</div>

Advances in High Energy Physics

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Figure 1

Figure 1: Scalar Form Factor of the Pion in the Kroll-Lee-Zumino Field Theory 