Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101921
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Type: Journal article
Title: Measurement of inclusive two-particle angular correlations in pp collisions with the ATLAS detector at the LHC
Author: Aad, G.
ATLAS collaboration
Citation: Journal of High Energy Physics, 2012; 2012(5):157-0-157-44
Publisher: Springer
Issue Date: 2012
ISSN: 1126-6708
1029-8479
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)
Abstract: We present a measurement of two-particle angular correlations in proton- proton collisions at √s = 900 GeV and 7 TeV. The collision events were collected during 2009 and 2010 with the ATLAS detector at the Large Hadron Collider using a single-arm minimum bias trigger. Correlations are measured for charged particles produced in the kinematic range of transverse momentum pτ > 100 MeV and pseudorapidity |η| < 2.5. A complex structure in pseudorapidity and azimuth is observed at both collision energies. Results are compared to PYTHIA 8 and HERWIG++ as well as to the AMBT2B, DW and Perugia 2011 tunes of pythia 6. The data are not satisfactorily described by any of these models.
Keywords: Hadron-Hadron Scattering
Rights: Open Access, Copyright CERN, for the benefit of the ATLAS collaboration. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
RMID: 0020132681
DOI: 10.1007/JHEP05(2012)157
Appears in Collections:Physics publications

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