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Authors

Adam, Jaroslav 1
Adamova, Dagmar 1
Aggarwal, Madan Mohan 1
Aglieri Rinella, Gianluca 1
Agnello, Michelangelo 1
Agrawal, Neelima 1
Ahammed, Zubayer 1
Ahmed, Ijaz 1
Ahn, Sang Un 1
Aiola, Salvatore 1

Charged-particle multiplicities in proton-proton collisions at $\sqrt{s}$ = 0.9 to 8 TeV

The ALICE collaboration Adam, Jaroslav ; Adamova, Dagmar ; Aggarwal, Madan Mohan ; et al.

Eur.Phys.J.C 77 (2017) 33, 2017.

https://inspirehep.net/literature/1394854 Inspire Record 1394854 DOI 10.17182/hepdata.77011 https://doi.org/10.17182/hepdata.77011

A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton-proton collisions, at $\sqrt{s} =$ 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range $|\eta|<2$, was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive and events with at least one charged particle in the pseudorapidity interval $|\eta|<1$. The use of an improved track-counting algorithm combined with ALICE's measurements of diffractive processes allows a higher precision compared to our previous publications. A KNO scaling study was performed in the pseudorapidity intervals $|\eta|<$ 0.5, 1.0 and 1.5. The data are compared to other experimental results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.

75 data tables

Table 1

Measured pseudorapidity dependence of $dN/d\eta$ for INEL collisions at a centre-of-mass energy of 900 GeV.

Table 2

Measured pseudorapidity dependence of $dN/d\eta$ for NSD collisions at a centre-of-mass energy of 900 GeV.

Table 3

Measured pseudorapidity dependence of $dN/d\eta$ for INEL>0 collisions at a centre-of-mass energy of 900 GeV.

Table 4

Measured pseudorapidity dependence of $dN/d\eta$ for INEL collisions at a centre-of-mass energy of 2760 GeV.

Table 5

Measured pseudorapidity dependence of $dN/d\eta$ for NSD collisions at a centre-of-mass energy of 2760 GeV.

Table 6

Measured pseudorapidity dependence of $dN/d\eta$ for INEL>0 collisions at a centre-of-mass energy of 2760 GeV.

Table 7

Measured pseudorapidity dependence of $dN/d\eta$ for INEL collisions at a centre-of-mass energy of 7000 GeV.

Table 8

Measured pseudorapidity dependence of $dN/d\eta$ for NSD collisions at a centre-of-mass energy of 7000 GeV.

Table 9

Measured pseudorapidity dependence of $dN/d\eta$ for INEL>0 collisions at a centre-of-mass energy of 7000 GeV.

Table 10

Measured pseudorapidity dependence of $dN/d\eta$ for INEL collisions at a centre-of-mass energy of 8000 GeV.

Table 11

Measured pseudorapidity dependence of $dN/d\eta$ for NSD collisions at a centre-of-mass energy of 8000 GeV.

Table 12

Measured pseudorapidity dependence of $dN/d\eta$ for INEL>0 collisions at a centre-of-mass energy of 8000 GeV.

Table 13

Charged particle pseudorapidiy densities in the pseudorapidity region -0.5 to 0.5 for INEL collisions.

Table 14

Charged particle pseudorapidiy densities in the pseudorapidity region -0.5 to 0.5 for NSD collisions.

Table 15

Charged particle pseudorapidiy densities in the pseudorapidity region -0.5 to 0.5 for INEL>0 collisions.

Table 16

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for INEL collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 17

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 18

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for INEL collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 19

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for INEL collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 20

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 21

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for INEL collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 22

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for INEL collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 23

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 24

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for INEL collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 25

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for INEL collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 26

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 27

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for INEL collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 28

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for NSD collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 29

Multiplicity distribution in the pseudorapidity region -1 to 1 for NSD collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 30

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for NSD collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 31

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for NSD collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 32

Multiplicity distribution in the pseudorapidity region -1 to 1 for NSD collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 33

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for NSD collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 34

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for NSD collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 35

Multiplicity distribution in the pseudorapidity region -1 to 1 for NSD collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 36

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for NSD collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 37

Multiplicity distribution in the pseudorapidity region -0.5 to 0.5 for NSD collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 38

Multiplicity distribution in the pseudorapidity region -1 to 1 for NSD collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 39

Multiplicity distribution in the pseudorapidity region -1.5 to 1.5 for NSD collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 40

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL>0 collisions at a centre-of-mass energy of 900 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 41

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL>0 collisions at a centre-of-mass energy of 2760 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 42

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL>0 collisions at a centre-of-mass energy of 7000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 43

Multiplicity distribution in the pseudorapidity region -1 to 1 for INEL>0 collisions at a centre-of-mass energy of 8000 GeV. Note that the uncertainties are strongly correlated between neighbouring points. See the paper text for details.

Table 44

Mean charged particle multiplicities in 3 pseudorapidity intervals in P P NSD collisions from 900 to 8000 GeV.

Table 45

Mean CQ moments of the multiplicity distributions for the pseudorapidity range -0.5 to 0.5 in P P NSD collisions at centre-of-mass energies from 900 to 8000 GeV.

Table 46

Mean CQ moments of the multiplicity distributions for the pseudorapidity range -1.0 to 1.0 in P P NSD collisions at centre-of-mass energies from 900 to 8000 GeV.

Table 47

Mean CQ moments of the multiplicity distributions for the pseudorapidity range -1.5 to 1.5 in P P NSD collisions at centre-of-mass energies from 900 to 8000 GeV.

Table 48

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P INEL collisions at center-of-mass energy 900 GeV.

Table 49

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P NSD collisions at center-of-mass energy 900 GeV.

Table 50

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL collisions at center-of-mass energy 900 GeV.

Table 51

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P NSD collisions at center-of-mass energy 900 GeV.

Table 52

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL>0 collisions at center-of-mass energy 900 GeV.

Table 53

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P INEL collisions at center-of-mass energy 900 GeV.

Table 54

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P NSD collisions at center-of-mass energy 900 GeV.

Table 55

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P INEL collisions at center-of-mass energy 2760 GeV.

Table 56

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P NSD collisions at center-of-mass energy 2760 GeV.

Table 57

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL collisions at center-of-mass energy 2760 GeV.

Table 58

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P NSD collisions at center-of-mass energy 2760 GeV.

Table 59

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL>0 collisions at center-of-mass energy 2760 GeV.

Table 60

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P INEL collisions at center-of-mass energy 2760 GeV.

Table 61

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P NSD collisions at center-of-mass energy 2760 GeV.

Table 62

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P INEL collisions at center-of-mass energy 7000 GeV.

Table 63

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P NSD collisions at center-of-mass energy 7000 GeV.

Table 64

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL collisions at center-of-mass energy 7000 GeV.

Table 65

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P NSD collisions at center-of-mass energy 7000 GeV.

Table 66

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL>0 collisions at center-of-mass energy 7000 GeV.

Table 67

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P INEL collisions at center-of-mass energy 7000 GeV.

Table 68

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P NSD collisions at center-of-mass energy 7000 GeV.

Table 69

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P INEL collisions at center-of-mass energy 8000 GeV.

Table 70

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-0.5 to 0.5 in P P NSD collisions at center-of-mass energy 8000 GeV.

Table 71

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL collisions at center-of-mass energy 8000 GeV.

Table 72

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P NSD collisions at center-of-mass energy 8000 GeV.

Table 73

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1 to 1 in P P INEL>0 collisions at center-of-mass energy 8000 GeV.

Table 74

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P INEL collisions at center-of-mass energy 8000 GeV.

Table 75

Individual sets of fit parameters for the multiplicity distribution in pseudorapidity range-1.5 to 1.5 in P P NSD collisions at center-of-mass energy 8000 GeV.

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