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Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV

J., Adam ; Christiansen, P. LU ; Ljunggren, H. ; Oskarsson, A. LU ; Richert, T. LU ; Silvermyr, D. LU orcid ; Søgaard, C. LU ; Stenlund, E. LU ; Vislavicius, V. LU and M., Zyzak (2017) In European Physical Journal C 77(1).
Abstract
A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 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 | η| < 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 | η| < 0.5, 1.0 and 1.5. The data are compared to other experimental... (More)
A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 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 | η| < 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 | η| < 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.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Physical Journal C
volume
77
issue
1
article number
33
publisher
Springer
external identifiers
  • scopus:85010301106
ISSN
1434-6044
DOI
10.1140/epjc/s10052-016-4571-1
language
English
LU publication?
yes
id
cb387081-f9d6-4fed-a685-dea110bba5f3
date added to LUP
2022-04-05 08:12:02
date last changed
2023-05-10 15:19:02
@article{cb387081-f9d6-4fed-a685-dea110bba5f3,
  abstract     = {{A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| &lt; 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 | η| &lt; 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 | η| &lt; 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. <br/>}},
  author       = {{J., Adam and Christiansen, P. and Ljunggren, H. and Oskarsson, A. and Richert, T. and Silvermyr, D. and Søgaard, C. and Stenlund, E. and Vislavicius, V. and M., Zyzak}},
  issn         = {{1434-6044}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{Springer}},
  series       = {{European Physical Journal C}},
  title        = {{Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV}},
  url          = {{http://dx.doi.org/10.1140/epjc/s10052-016-4571-1}},
  doi          = {{10.1140/epjc/s10052-016-4571-1}},
  volume       = {{77}},
  year         = {{2017}},
}