Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/115040
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Type: Journal article
Title: Measurement of the charged-particle multiplicity inside jets from √s = 8 TeV pp collisions with the ATLAS detector
Other Titles: Measurement of the charged-particle multiplicity inside jets from root s = 8 TeV pp collisions with the ATLAS detector
Author: Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Abeloos, B.
Aben, R.
Abolins, M.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A.
et al.
Citation: European Physical Journal C, 2016; 76(6):322-1-322-23
Publisher: Springer
Issue Date: 2016
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... M.J. White ... [et al.] (The ATLAS Collaboration)
Abstract: The number of charged particles inside jets is a widely used discriminant for identifying the quark or gluon nature of the initiating parton and is sensitive to both the perturbative and non-perturbative components of fragmentation. This paper presents a measurement of the average number of charged particles with pT>500 MeV inside high-momentum jets in dijet events using 20.3 fb⁻¹ of data recorded with the ATLAS detector in pp collisions at s√=8 TeV collisions at the LHC. The jets considered have transverse momenta from 50 GeV up to and beyond 1.5 TeV. The reconstructed charged-particle track multiplicity distribution is unfolded to remove distortions from detector effects and the resulting charged-particle multiplicity is compared to several models. Furthermore, quark and gluon jet fractions are used to extract the average charged-particle multiplicity for quark and gluon jets separately.
Keywords: Atlas Collaboration; Atlas Collaboration; Atlas Collaboration
Rights: © CERN for the benefit of the ATLAS collaboration 2016. This article is published with open access at Springerlink.com
RMID: 0030051785
DOI: 10.1140/epjc/s10052-016-4126-5
Appears in Collections:Physics publications

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