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Charged-particle distributions in sqrt(s)=13 TeV p p interactions measured with the ATLAS detector at the LHC

Measurements are presented of charged particle distributions in proton–proton collisions at a centre-of-mass energy of 13 TeV, using a data sample of nearly 9 million events recorded by the ATLAS detector at the LHC. The charged-particle multiplicity, its dependence on transverse momentum and pseudo...

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Detalles Bibliográficos
Autor principal: The ATLAS collaboration
Lenguaje:eng
Publicado: 2015
Materias:
Acceso en línea:http://cds.cern.ch/record/2037701
Descripción
Sumario:Measurements are presented of charged particle distributions in proton–proton collisions at a centre-of-mass energy of 13 TeV, using a data sample of nearly 9 million events recorded by the ATLAS detector at the LHC. 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. The results are corrected for detector effects, presented as particle-level distributions and are compared to various Monte Carlo event generator models.