Perturbative S-matrices with non-provisional regularization

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Computing a perturbative S-matrix through Feynman series in quantum field theory, the regularization used does not affect the final result. We propose a new approach to construction of the perturbative S-matrices, so that they will depend on parameters of a realistic regularization--realistic in the sense of Pauli and Villars [Rev. Mod. Phys. 21, 434 (1949)]. We expect that these additional parameters may provide some new information about the physics of quantum scattering. There are such perturbative S-matrices also in the presence of non-renormalizable interaction terms with no counterterms.

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/53140

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0505173
 http://arxiv.org/abs/hep-th/0505173

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arXiv