Review of Particle Physics by Particle Data Group (2021)
= Review of Particle Physics by Particle Data Group (2021)
{c}
{title2=2021 update}
Official edition: https://pdg.lbl.gov/2021/
<Tau lepton> listing: https://pdg.lbl.gov/2021/listings/rpp2021-list-tau.pdf
<Z boson> listing: https://pdg.lbl.gov/2021/listings/rpp2021-list-z-boson.pdf
The <tau lepton> listing gives the electronic <branching fraction> on page 6. The <Z boson> listing gives the hadronic-to-single-lepton partial-width ratio on page 9.