Table 2.

Summary of systematic uncertainties in the top-quark decay width measurement

Source	Uncertainty (GeV)
Detector model
Electron	${}_{-0.07}^{+0.14}$
Muon	${}_{-0.06}^{+0.11}$
Jet energy scale	${}_{-0.30}^{+0.42}$
Jet energy resolution	$\pm 0.27$
Jet vertex fraction	${}_{-0.03}^{+0.13}$
Jet reconstruction efficiency	$\pm 0.03$
Missing transverse momentum	$\pm 0.01$
b-Tagging	${}_{-0.24}^{+0.32}$
Signal model
ME event generator	$\pm 0.41$
Colour reconnection	$\pm 0.19$
Underlying event	$\pm 0.11$
Radiation	$\pm 0.07$
PDF	$\pm 0.06$
PS/hadronisation	$\pm 0.05$
Background model
Multijet	${}_{-0.00}^{+0.04}$
W+jets	$\pm 0.02$
Single top	$<0.01$
Template statistical uncertainty	$\pm 0.07$
Luminosity	${}_{-0.00}^{+0.03}$
Total systematic uncertainty	${}_{-0.68}^{+0.79}$