Abstract
Pion-nucleon scattering amplitudes as well as Born amplitudes are calculated in a constant-cutoff approach to the canonical quantization of skyrmions, with the subsidiary conditions imposed on the quantum fields and their conjugate momenta such that all infrared singularities from the zero-frequency modes are eliminated. It is shown that the Born terms with recoil corrections are reproduced by the pion-nucleon linear and quadratic interactions.
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Dalarsson, N. Constant-cutoff approach to pion-nucleon scattering. Int J Theor Phys 35, 783–805 (1996). https://doi.org/10.1007/BF02330573
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DOI: https://doi.org/10.1007/BF02330573