Table 4.

Vertex reconstruction efficiencies, at various selection levels, for non-diffractive, single-diffractive, and double-diffractive interactions in PYTHIA8 minimum-bias simulation

	Non-diffractive (%)	Single-diffractive (%)	Double-diffractive (%)
Efficiency without any selection cuts	92.9	45.7	49.0
Efficiency requiring at least two charged particles with $p_{\text{T}}>400$ MeV and $|\mathit{\eta }|<2.5$	96.1	92.6	90.2
Efficiency requiring at least two charged particles reconstructed in the inner detector	99.6	99.5	99.3