Table 2.

Summary of systematic uncertainties in the lost-lepton background prediction, together with their typical size ranges across the search bins

Source	Range (%)
Limited size of data control samples	5–100
Limited size of MC samples	0–50
$\text{e}/\mathrm{\mu }$ efficiency	0–10
$\mathrm{\tau }$ efficiency	0–3
b tagging efficiency	0–3
Jet energy scale	0–5
$M_{\mathrm{T}}\left(\text{lepton},{\overrightarrow{p}}_{\mathrm{T}}^{\text{miss}}\right)$ selection efficiency	0–3
$M_{\mathrm{T}2}$ shape uncertainty (if $k_{\mathrm{LL}}\ne 1$)	0–40
${\mu }_{\mathrm{R}}$ and ${\mu }_{\mathrm{F}}$ variation	0–5
$\text{t}\overline{\text{t}}\text{b}\overline{\text{b}}/\text{t}\overline{\text{t}}\text{jj}$ weight	0–25