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|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|
|Citation:||European Physical Journal C, 2016; 76(6):322-1-322-23|
|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|
|Appears in Collections:||Physics publications|
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