Table 2.

Simulated signal and background composition (in percentage) of the SL sample after selection and $\text{OS-SS}$ subtraction. The $\text{W}+\text{Q}\overline{\text{Q}}$ stands for the sum of the contributions of $\text{W}+\text{c}\overline{\text{c}}$ and $\text{W}+\text{b}\overline{\text{b}}$

SL channel	$\text{W}+\text{c}$	$\text{W}+\text{Q}\overline{\text{Q}}$	$\text{W}+\text{udsg}$	$\text{Z}+\text{jets}$	$\text{t}\overline{\text{t}}$	Single t	$\text{VV}$
$\text{W}\to \text{e}\mathrm{\nu }$	81.0 ± 0.6	0.5 ± 0.3	3.1 ± 0.5	0.4 ± 0.1	10.0 ± 0.1	4.4 ± 0.1	0.6 ± 0.1
$\text{W}\to \mathrm{\mu }\mathrm{\nu }$	74.2 ± 0.5	0.5 ± 0.3	2.0 ± 0.4	5.5 ± 0.2	11.6 ± 0.1	5.8 ± 0.1	0.4 ± 0.1