Angular distributions of $\bar B \to D^{(\ast)}\ell\bar \nu_\ell$ decays and search of New Physics

@article{Beirevi2019AngularDO,
  title={Angular distributions of \$\bar B \to D^\{(\ast)\}\ell\bar \nu_\ell\$ decays and search of New Physics},
  author={D. Be{\vc}irevi{\'c} and S. Fajfer and Ivan Nǐsand{\vz}i{\'c} and A. Tayduganov},
  journal={Nuclear Physics},
  year={2019},
  volume={946},
  pages={114707}
}
  • D. Bečirević, S. Fajfer, +1 author A. Tayduganov
  • Published 2019
  • Physics
  • Nuclear Physics
  • We derive the expressions for the full angular distributions of $\bar B\to D\ell\bar \nu_\ell$ and $\bar B\to D^{\ast }\ell\bar \nu_\ell$ decays and discuss the spectra on each angle separately. The coefficient functions, depending on helicity amplitudes, can then be combined in an ensemble of observables which can then be used to check for the presence of New Physics. We examine the sensitivity of each of these observables on the presence of non-Standard Model interaction terms at low energies… CONTINUE READING

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