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Charged-particle distributions in root s=13 TeV pp interactions measured with the ATLAS detector at the LHC
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 2870
2016 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 758, 67-88 p.Article in journal (Refereed) PublishedText
Abstract [en]

Charged-particle distributions are measured in proton-proton collisions at a centre-of-mass energy of 13 TeV, using a data sample of nearly 9 million events, corresponding to an integrated luminosity of 170 mu b(-1), recorded by the ATLAS detector during a special Large Hadron Collider fill. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity and the dependence of the mean transverse momentum on the charged-particle multiplicity are presented. The measurements are performed with charged particles with transverse momentum greater than 500 MeV and absolute pseudorapidity less than 2.5, in events with at least one charged particle satisfying these kinematic requirements. Additional measurements in a reduced phase space with absolute pseudorapidity less than 0.8 are also presented, in order to compare with other experiments. The results are corrected for detector effects, presented as particle-level distributions and are compared to the predictions of various Monte Carlo event generators.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 758, 67-88 p.
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-189721DOI: 10.1016/j.physletb.2016.04.050ISI: 000377330500012OAI: oai:DiVA.org:kth-189721DiVA: diva2:948387
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QC 20160711

Available from: 2016-07-11 Created: 2016-07-11 Last updated: 2016-07-11Bibliographically approved

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Lund-Jensen, BengtSidebo, EdvinStrandberg, Jonas
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