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arXiv · hep-ph/0611188

Light-by-light scattering in SANC

D. Bardin·L. Kalinovskaya·V. Kolesnikov·E. Uglov
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Abstract

In this paper we describe the implementation of the QED process $γγ\toγγ$ through a fermion loop into the framework of SANC system. The computations of this process takes into account non-zero mass of loop-fermion. We briefly describe additional precomputation modules used for calculation of massive fermion-box diagrams. We present the covariant and helicity amplitudes for this process and also some particular cases of $D_0$ and $C_0$ Passarino-Veltman functions. Whenever possible, we compare the results with those existing in the literature.

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D. Bardin, L. Kalinovskaya, V. Kolesnikov, E. Uglov. 2006-11-14. Light-by-light scattering in SANC. https://arxiv.org/abs/hep-ph/0611188

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