Abstract
Fierz transformations for four-fermion operators are generalized to the one-loop level. A general renormalization scheme is used to compute QCD and QED corrections to the tree-level relations, which result from Fierz-evanescent operators. The results can be used to perform general one-loop basis transformations involving four-fermi and evanescent operators. We illustrate the usefulness of our results by discussing two examples from a matching calculation and a one-loop basis change.
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Aebischer, J., Pesut, M. One-loop Fierz transformations. J. High Energ. Phys. 2022, 90 (2022). https://doi.org/10.1007/JHEP10(2022)090
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DOI: https://doi.org/10.1007/JHEP10(2022)090