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\bibitem{Penalva_etal2021} Penalva, N., Hernandez, E., \& Nieves, J. (2021). The role of right-handed neutrinos in b -> c tau (pi nu(tau), rho nu(tau), mu(nu)over-bar(mu)nu(tau))(nu)over-bar(tau) from visible final-state kinematics. \textit{J. High Energy Phys.}, \textit{10}(10), 122--45pp.

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