Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/102314
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Type: | Journal article |
Title: | Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector |
Other Titles: | Measurement of event-plane correlations in root sNN = 2.76 TeV lead-lead collisions with the ATLAS detector |
Author: | Aad, G. ATLAS Collaboration, |
Citation: | Physical Review C (nuclear physics), 2014; 90(2):024905-1-024905-29 |
Publisher: | American Physical Society |
Issue Date: | 2014 |
ISSN: | 2469-9985 2469-9993 |
Statement of Responsibility: | G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni … M. White .. et al. (The ATLAS Collaboration) |
Abstract: | A measurement of event-plane correlations involving two or three event planes of different order is presented as a function of centrality for 7 μb⁻¹ Pb + Pb collision data at √sNN = 2.76 TeV, recorded by the ATLAS experiment at the Large Hadron Collider. Fourteen correlators are measured using a standard event-plane method and a scalar-product method, and the latter method is found to give a systematically larger correlation signal. Several different trends in the centrality dependence of these correlators are observed. These trends are not reproduced by predictions based on the Glauber model, which includes only the correlations from the collision geometry in the initial state. Calculations that include the final-state collective dynamics are able to describe qualitatively, and in some cases also quantitatively, the centrality dependence of the measured correlators. These observations suggest that both the fluctuations in the initial geometry and the nonlinear mixing between different harmonics in the final state are important for creating these correlations in momentum space. |
Rights: | © 2014 CERN, for the ATLAS Collaboration. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. |
DOI: | 10.1103/PhysRevC.90.024905 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1103/physrevc.90.024905 |
Appears in Collections: | Aurora harvest 3 Chemistry and Physics publications |
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hdl_102314.pdf | Published version | 2.45 MB | Adobe PDF | View/Open |
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