Heavy-meson chiral Lagrangians, effective flavored couplings, SU(4) flavor breaking and their consequences

@article{ElBennich2021HeavymesonCL,
  title={Heavy-meson chiral Lagrangians, effective flavored couplings, SU(4) flavor breaking and their consequences},
  author={Bruno El-Bennich and Fernando E. Serna},
  journal={Proceedings of 10th International Workshop on Charm Physics — PoS(CHARM2020)},
  year={2021}
}
  • B. El-Bennich, F. E. Serna
  • Published 16 September 2021
  • Physics
  • Proceedings of 10th International Workshop on Charm Physics — PoS(CHARM2020)
We review heavy quark flavor and spin symmetries, their exploitation in heavy meson effective theories and the flavored couplings of charmed and light mesons in the definition of their effective Lagrangians. We point out how nonperturbative continuum QCD approaches based on DysonSchwinger and Bethe-Salpeter equations can be used to calculate strong and leptonic decays of open-charm mesons and heavy quarkonia. The strong decay D∗ → Dπ serves as a benchmark, as it is the only physical open-charm… 

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