Table 18.

Results in the off-Z search region SR-4j-tag, in the below-Z range ($20<m_{\ell \ell }<80$ $\mathrm{GeV}$, top) and above-Z range ($m_{\ell \ell }>110$ $\mathrm{GeV}$, bottom). Details are the same as in Table 8

	SR-4j-btag ee	SR-4j-btag $\mathit{\mu }\mathit{\mu }$	SR-4j-btag same-flavour combined
Below-Z ($20<m_{\ell \ell }<80$ $\mathrm{GeV}$)
Observed events	14	17	31
Expected background events	$18\pm 3\pm 2$	$20\pm 4\pm 2$	$38\pm 6\pm 3$
Flavour-symmetric backgrounds	$17\pm 3\pm 2$	$18\pm 3\pm 2$	$35\pm 6\pm 3$
$Z/{\mathit{\gamma }}^{\ast }+\text{jets}$	$0.5\pm 0.3\pm 0.5$	$0.7\pm 0.3\pm 0.9$	$1.2\pm 0.4\pm 1.1$
Rare top	$<$0.1	$<$0.1	$0.1\pm 0.0\pm 0.0$
WZ / ZZ diboson	$<$0.1	$<$0.1	$<$0.1
Fake leptons	$0.3\pm 0.6\pm 0.0$	$1.3\pm 1.2\pm 0.0$	$1.6\pm 1.4\pm 0.2$
Above-Z ($m_{\ell \ell }>110$ $\mathrm{GeV}$)
Observed events	23	18	41
Expected background events	$18\pm 3\pm 2$	$19\pm 3\pm 4$	$36\pm 6\pm 5$
Flavour-symmetric backgrounds	$17\pm 3\pm 2$	$16\pm 3\pm 2$	$33\pm 6\pm 3$
$Z/{\mathit{\gamma }}^{\ast }+\text{jets}$	$0.2\pm 0.1\pm 0.2$	$2.4\pm 0.3\pm 4.0$	$2.7\pm 0.3\pm 4.1$
Rare top	$<$0.1	$<$0.1	$<$0.1
WZ / ZZ diboson	$<$0.1	$<$0.1	$<$0.1
Fake leptons	$<$0.6	$0.3\pm 0.6\pm 0.1$	$0.0\pm 0.9\pm 0.2$