https://doi.org/10.1051/epjconf/201817510005
Fierz transformations and renormalization schemes for fourquark operators
Theoretical Physics Division, Department of Mathematical Sciences, University of Liverpool, Liverpool L69 3BX, United Kingdom.
Published online: 26 March 2018
It has been shown that the choice of renormalization scheme is crucial for four-quark operators, in particular for neutral kaon mixing beyond the Standard Model. In the context of SMOM schemes, the choice of projector is not unique and is part of the definition of the renormalisation scheme. I present the non-diagonal Fierz relations which relate some of these projectors.
© The Authors, published by EDP Sciences, 2018
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