Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9705
Title: Measurement of the Charged-Particle Multiplicity Inside Jets From Root S=8 Tev Pp Collisions With the Atlas Detector
Authors: Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Abeloos, B.
Aben, R.
Adelman, J.
Keywords: Quark Jets
Gluon Jets
Fragmentation Properties
Parton Distributions
Energy-Dependence
E+E-Annihilation
Events
Publisher: Springer
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 p(T) > 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 root 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.
URI: https://doi.org/10.1140/epjc/s10052-016-4126-5
https://hdl.handle.net/20.500.11851/9705
ISSN: 1434-6044
1434-6052
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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