Pion form factor in the Kroll-Lee-Zumino model 1

  title={Pion form factor in the Kroll-Lee-Zumino model 1},
  author={C. Dominguez and Juan I. Jottar and Marcelo Loewe and Bernard Willers},
The renormalizable Abelian quantum field theory model of Kroll, Lee, and Zumino is used to compute the one-loop vertex corrections to the tree-level, Vector Meson Dominance (VMD) pion form factor. These corrections, together with the known one-loop vacuum polarization contribution, lead to a substantial improvement over VMD. The resulting pion form factor in the space-like region is in excellent agreement with data in the whole range of accessible momentum transfers. The time-like form factor… CONTINUE READING

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