Real photon emissions in leptonic decays

@article{Divitiis2019RealPE,
  title={Real photon emissions in leptonic decays},
  author={G. M. D. Divitiis and A. Desiderio and M. D. Carlo and R. Frezzotti and M. Garofalo and D. Giusti and M. Hansen and V. Lubicz and F. Mazzetti and G. Martinelli and C. T. Sachrajda and F. Sanfilippo and S. Simula and N. Tantalo},
  journal={arXiv: High Energy Physics - Lattice},
  year={2019}
}
  • G. M. D. Divitiis, A. Desiderio, +11 authors N. Tantalo
  • Published 2019
  • Physics
  • arXiv: High Energy Physics - Lattice
  • We present a non-perturbative calculation of the form factors which contribute to the amplitudes for the radiative decays $P\to \ell \bar \nu_\ell \gamma$, where $P$ is a pseudoscalar meson and $\ell$ is a charged lepton. Together with the non-perturbative determination of the virtual photon corrections to the processes $P\to \ell \bar \nu_\ell$, this will allow accurate predictions to be made at $O(\alpha_{em})$ for leptonic decay rates for pseudoscalar mesons ranging from the pion to the $B… CONTINUE READING
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