Table 2.

Tagging performance in the B ⁺→J/ψK ⁺ channel. Uncertainties are statistical only

Taggers	ε tag [%]	ω [%]	ε tag(1−2ω)2 [%]
μ	4.8±0.1	29.9±0.7	0.77±0.07
e	2.2±0.1	33.2±1.1	0.25±0.04
K	11.6±0.1	38.3±0.5	0.63±0.06
Q vtx	15.1±0.1	40.0±0.4	0.60±0.06
OS average (η c<0.42)	17.8±0.1	34.6±0.4	1.69±0.10
OS sum of η c bins	27.3±0.2	36.2±0.5	2.07±0.11