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

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A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton-proton collisions, at s√=s=\sqrt{s} = 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range |η|<2|η|<2|\eta |<2, was carried out using the ALICE detector. Measurem...

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Main Authors: Adam, Jaroslav (Author) , Angelov, Venelin (Author) , Arslandok, Mesut (Author) , Busch, Oliver (Author) , Deisting, Alexander (Author) , Glässel, Peter (Author) , Klewin, Sebastian (Author) , Knichel, Michael Linus (Author) , Leardini, Lucia (Author) , Mercado Pérez, Jorge (Author) , Oeschler, Helmut (Author) , Ohlson, Alice (Author) , Pachmayer, Yvonne C. (Author) , Reidt, Felix (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Stachel, Johanna (Author) , Stiller, Johannes Hendrik (Author) , Völkl, Martin (Author) , Weiser, Dennis (Author) , Wilkinson, Jeremy (Author) , Windelband, Bernd (Author) , Winn, Michael (Author) , Zimmermann, Alice (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 17 January 2017
In: The European physical journal. C, Particles and fields
Year: 2017, Volume: 77, Issue: 1
ISSN:1434-6052
DOI:10.1140/epjc/s10052-016-4571-1
Online Access:Verlag, Volltext: http://dx.doi.org/10.1140/epjc/s10052-016-4571-1
Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-016-4571-1
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Author Notes:ALICE Collaboration*
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Summary:A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton-proton collisions, at s√=s=\sqrt{s} = 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range |η|<2|η|<2|\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 |η|<1|η|<1|\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 |η|<|η|<|\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.
Item Description:ALICE Collaboration: J. Adam, V. Anguelov, M. Arslandok, O. Busch, A. Deisting, P. Glässel, S. Klewin, M.L. Knichel, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, F. Reidt, K. Reygers, R. Schicker, J. Stachel, J.H. Stiller, M.A. Völkl, D.F. Weiser, J. Wilkinson, B. Windelband, M. Winn, A. Zimmermann [und weitere]
Gesehen am 19.10.2018
Physical Description:Online Resource
ISSN:1434-6052
DOI:10.1140/epjc/s10052-016-4571-1

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