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arXiv · hep-ph/9811286

Renormalization group and relations between scattering amplitudes in a theory with different mass scales

A. V. Gulov·V. V. Skalozub
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Abstract

In the Yukawa model with two different mass scales the renormalization group equation is used to obtain relations between scattering amplitudes at low energies. Considering fermion-fermion scattering as an example, a basic one-loop renormalization group relation is derived which gives possibility to reduce the problem to the scattering of light particles on the "external field" substituting a heavy virtual state. Applications of the results to problems of searching new physics beyond the Standard Model are discussed.

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A. V. Gulov, V. V. Skalozub. 1998-11-10. Renormalization group and relations between scattering amplitudes in a theory with different mass scales. https://doi.org/10.1134/1.855613

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