Pseudorapidity distributions of charged particles as a function of mid- and forward rapidity multiplicities in pp collisions at root s=5.02, 7 and 13 TeV

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The ALICE Collaboration , Acharya , S , Adamova , D , Kim , D J , Krizek , F , Novitzky , N , Parkkila , J E , Rak , J , Rytkönen , H M , Räsänen , S , Saarimäki , O A M , Slupecki , M , Snellman , T & Trzaska , W H 2021 , ' Pseudorapidity distributions of charged particles as a function of mid- and forward rapidity multiplicities in pp collisions at root s=5.02, 7 and 13 TeV ' , European Physical Journal C. Particles and Fields , vol. 81 , no. 7 , 630 . https://doi.org/10.1140/epjc/s10052-021-09349-5

Title: Pseudorapidity distributions of charged particles as a function of mid- and forward rapidity multiplicities in pp collisions at root s=5.02, 7 and 13 TeV
Author: The ALICE collaboration; Acharya, S.; Adamova, D.; Kim, D. J.; Krizek, F.; Novitzky, Norbert; Parkkila, J. E.; Rak, Jan; Rytkönen, Heidi Maria; Räsänen, Sami; Saarimäki, Oskari Antti Matti; Slupecki, M.; Snellman, Tomas; Trzaska, W. H.
Contributor organization: Helsinki Institute of Physics
Date: 2021-07-19
Language: eng
Number of pages: 18
Belongs to series: European Physical Journal C. Particles and Fields
ISSN: 1434-6044
DOI: https://doi.org/10.1140/epjc/s10052-021-09349-5
URI: http://hdl.handle.net/10138/335320
Abstract: Themultiplicity dependence of the pseudorapidity density of charged particles in proton-proton (pp) collisions at centre-of-mass energies root s = 5.02, 7 and 13 TeV measured by ALICE is reported. The analysis relies on track segments measured in the midrapidity range (|eta| < 1.5). Results are presented for inelastic events having at least one charged particle produced in the pseudorapidity interval |eta| < 1. The multiplicity dependence of the pseudorapidity density of charged particles is measured with midand forward rapidity multiplicity estimators, the latter being less affected by autocorrelations. Adetailed comparison with predictions from the PYTHIA 8 and EPOS LHC event generators is also presented. The results can be used to constrain models for particle production as a function of multiplicity in pp collisions.
Subject: 114 Physical sciences
PROTON-PROTON COLLISIONS
PB-PB COLLISIONS
TRANSVERSE-MOMENTUM
ANGULAR-CORRELATIONS
ATLAS DETECTOR
LONG-RANGE
DEPENDENCE
SIDE
LHC
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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