TTP19-012-Addendum: "Impact of polarization observables and $B_c \rightarrow \tau \nu$ on new physics explanations of the $b \rightarrow c \tau \nu$ anomaly"

TTP19-012-Addendum: “Impact of polarization observables and $B_c \rightarrow \tau \nu$ on new physics explanations of the $b \rightarrow c \tau \nu$ anomaly”
Monika Blanke, Andreas Crivellin, Teppei Kitahara, Marta Moscati, Ulrich Nierste, and Ivan Nisandzic
Phys.Rev. D100 (2019) no.3, 035035
PDF arXiv