The ratio of the angular distributions of emissions from $\rm{D}^{0}$-tagged to inclusive charged-particle jets in \pp{} collisions at $\sqrt{s}=13$ TeV , shown in three radiator energy intervals of $5 \leq E_{\rm{radiator}} 10$ GeV/$\it{c}$, $10 \leq E_{\rm{radiator}} 20$ GeV/$\it{c}$ and $20 \leq E_{\rm{radiator}} 35$ GeV/$\it{c}$. A selection on the splitting scale of $k_{\rm{T}} > \Lambda_{\rm QCD}$ is applied to suppress hadronisation effects. The shaded regions correspond to the angles within which emissions are suppressed by the dead-cone effect, assuming a charm-quark mass of 1.275 GeV/$c^2$.