Leptonic Decays of Charged Pseudoscalar Mesons

@inproceedings{Rosner2010LeptonicDO,
  title={Leptonic Decays of Charged Pseudoscalar Mesons},
  author={Jonathan L. Rosner and Stephen Stone},
  year={2010}
}
We review the physics of purely leptonic decays of $\pi^\pm$, $K^\pm$, $D^{\pm}$, $D_s^\pm$, and $B^\pm$ pseudoscalar mesons. The measured decay rates are related to the product of the relevant weak-interaction-based CKM matrix element of the constituent quarks and a strong interaction parameter related to the overlap of the quark and anti-quark wave-functions in the meson, called the decay constant $f_P$. The interplay between theory and experiment is different for each particle. Theoretical… CONTINUE READING

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