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Massive states in chiral perturbation theory
Authors:S. Mallik
Affiliation:1. Saha Institute of Nuclear Physics 1/AF, Bidhannagar, 700064, Calcutta, India
Abstract:It is shown that the chiral nonanalytic terms generated byDelta33 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.
Keywords:
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