Model-independent bounds on new physics effects in non-leptonic tree-level decays of B-mesons

@article{Lenz2020ModelindependentBO,
  title={Model-independent bounds on new physics effects in non-leptonic tree-level decays of B-mesons},
  author={Alexander Lenz and Gilberto Tetlalmatzi-Xolocotzi},
  journal={Journal of High Energy Physics},
  year={2020}
}
Abstract We present a considerably improved analysis of model-independent bounds on new physics effects in non-leptonic tree-level decays of B-mesons. Our main finding is that contributions of about ±0.1 to the Wilson coefficient of the colour-singlet operator Q2 of the effective weak Hamiltonian and contributions in the range of ±0.5 (both for real and imaginary part) to Q1 can currently not be excluded at the 90% C.L. . Effects of such a size can modify the direct experimental extraction of… 
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