Table 2.

Overview of the contributions to the relative systematic uncertainty on the signal efficiency and luminosity (in percent) for different signal samples in 2011 conditions. The uncertainty on the total efficiency is obtained by summing the individual contributions in quadrature

${\mathit{\pi }}_{\text{v}}$ mass ($\mathrm{GeV}/c^2$)	25		35		43		50		35, $c\overline{c}$	35, $s\overline{s}$
${\mathit{\pi }}_{\text{v}}$ lifetime (ps)	10	100	10	100	10	100	10	100	10	10
Tracking efficiency	4.2	4.1	3.3	3.2	3.0	2.8	3.0	2.7	1.8	1.7
Vertex finding	3.8	4.2	3.3	3.9	2.8	3.7	3.7	2.6	2.9	2.8
Jet reconstruction	3.1	3.1	1.6	1.6	0.7	0.7	0.5	0.5	0.9	1.0
Jet identification	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0
Jet direction	7.0	7.0	6.0	6.0	7.4	7.4	8.5	8.5	5.9	5.7
L0	4.0	4.0	3.0	3.0	3.0	3.0	2.0	2.0	1.8	2.1
$N_{\text{SPD}}$	1.7	1.7	2.0	2.0	1.6	1.6	2.3	2.3	1.7	1.6
HLT1	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0	2.0
HLT2	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0	3.0
Total efficiency	11.5	11.6	9.8	10.0	10.3	10.5	11.2	10.9	8.7	8.6
Luminosity	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7	1.7