Table 1.

Measured and observed event yields in the 2j1b category for each lepton channel and charge. The uncertainties in the yields are the combination of statistical and experimental systematic uncertainties

Process	${\mu }^{+}$	${\mu }^{-}$	${\text{e}}^{+}$	${\text{e}}^{-}$
$\text{W}/\text{Z}/{\mathrm{\gamma }}^{\ast }\text{+jets}$	$72000\pm 6800$	$62800\pm 5600$	$33400\pm 3200$	$30700\pm 2800$
$\mathrm{t}\overline{\mathrm{t}}$/$\text{tW}$	$142400\pm 2400$	$143400\pm 2500$	$84500\pm 1400$	$84800\pm 1500$
Multijet	$35150\pm 550$	$35710\pm 760$	$13500\pm 1000$	$12700\pm 1000$
t channel (top quark)	$34400\pm 1500$	$10\pm 3$	$17720\pm 820$	$27\pm 2$
t channel (top antiquark)	$13\pm 2$	$21600\pm 1600$	$25\pm 3$	$11460\pm 880$
Total	$284100\pm 5800$	$263700\pm 4600$	$149300\pm 2400$	$139700\pm 2200$
Data	283 391	260 044	148 418	138 781