Table 1 Event multiplicity classes, their corresponding fraction of the INEL > 0 cross-section (σ/σINEL > 0) and their corresponding 〈dNch/dη〉 at midrapidity (|η| < 0.5).

From: Enhanced production of multi-strange hadrons in high-multiplicity proton–proton collisions

Class name

I

II

III

IV

V

VI

VII

VIII

IX

X

σ/σINEL>0

0–0.95%

0.95–4.7%

4.7–9.5%

9.5–14%

14–19%

19–28%

28–38%

38–48%

48–68%

68–100%

〈dNch/dη〉

21.3 ± 0.6

16.5 ± 0.5

13.5 ± 0.4

11.5 ± 0.3

10.1 ± 0.3

8.45 ± 0.25

6.72 ± 0.21

5.40 ± 0.17

3.90 ± 0.14

2.26 ± 0.12

  1. The value of 〈dNch/dη〉 in the inclusive (INEL > 0) class is 5.96 ± 0.23. The uncertainties are the quadratic sum of statistical and systematic contributions and represent standard deviations.
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