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



Adam, J, Adamova, D, Aggarwal, MM, Rinella, G Aglieri, Agnello, M, Agrawal, N, Ahammed, Z, Ahmed, I, Ahn, SU, Aiola, S
et al (show 975 more authors) (2017) Charged-particle multiplicities in proton-proton collisions at √s=0.9 to 8 TeV. EUROPEAN PHYSICAL JOURNAL C, 77 (1). 33-.

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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 results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.

Item Type: Article
Uncontrolled Keywords: 5106 Nuclear and Plasma Physics, 5107 Particle and High Energy Physics, 51 Physical Sciences
Depositing User: Symplectic Admin
Date Deposited: 16 Mar 2017 11:12
Last Modified: 20 Jun 2024 19:04
DOI: 10.1140/epjc/s10052-016-4571-1
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3006435