Table 2.

Summary of the statistical and systematic contributions to the total uncertainty on the W $+$ jets background from the various factors used in the estimation from data

$E_{\mathrm{T}}^{\text{miss}}$ ($\text{GeV}$) $\to$	$>$250	$>$300	$>$350	$>$400	$>$450	$>$500	$>$550
(1) $\mathrm{W}(\mathit{\mu }\mathit{\nu })$ $+$ jets statistical unc.	0.8	1.3	1.9	2.8	3.9	5.5	7.3
(2) Background	2.3	2.3	2.2	2.3	2.4	2.6	2.8
(3) Acceptance and efficiency	4.5	4.6	4.9	5.2	5.7	6.4	7.6
Total uncertainty (%)	5.1	5.3	5.7	6.4	7.3	8.8	11