@misc{king2021breaking,
  title={$SU(3)$ breaking effects in $B$ and $D$ meson lifetimes},
  author={Daniel King and Alexander Lenz and Thomas Rauh},
  year={2021},
  eprint={2112.03691},
  archivePrefix={arXiv},
  primaryClass={hep-ph},
  doi={10.1007/JHEP06(2022)134},
  url={https://arxiv.org/abs/2112.03691}
}