Massive States in Chiral Perturbation Theory
classification
✦ hep-ph
keywords
chiralperturbationtheoryappropriatecontaineddeltaeffectivegenerated
read the original abstract
It is shown that the chiral nonanalytic terms generated by $\Delta_{33}$ resonance in the nucleon self-energy is reproduced in chiral perturbation theory by perturbing appropriate local operators contained in the pion-nucleon effective Lagrangian itself.
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