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Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdinov, O; Aben, R; Abi, B; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Abreu, R ...
Published in: Physical Review C - Nuclear Physics
August 12, 2014
Published version (DOI)

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.

Duke Scholars

Alfred T. Goshaw
Author Alfred T. Goshaw Physics
Ayana T. Arce
Author Ayana T. Arce Physics
Ashutosh V. Kotwal
Author Ashutosh V. Kotwal Physics
Mark C. Kruse
Author Mark C. Kruse Physics
Seog Oh
Author Seog Oh Physics
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Published In

Physical Review C - Nuclear Physics

DOI

10.1103/PhysRevC.90.024905

EISSN

1089-490X

ISSN

0556-2813

Publication Date

August 12, 2014

Volume

90

Issue

2

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

Citation

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Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., Aben, R., … Arnal, V. (2014). Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector. Physical Review C - Nuclear Physics, 90(2). https://doi.org/10.1103/PhysRevC.90.024905
Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, et al. “Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector.” Physical Review C - Nuclear Physics 90, no. 2 (August 12, 2014). https://doi.org/10.1103/PhysRevC.90.024905.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, et al. Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector. Physical Review C - Nuclear Physics. 2014 Aug 12;90(2).
Aad, G., et al. “Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector.” Physical Review C - Nuclear Physics, vol. 90, no. 2, Aug. 2014. Scopus, doi:10.1103/PhysRevC.90.024905.
Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, Abi B, Abolins M, AbouZeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Agatonovic-Jovin T, Aguilar-Saavedra JA, Agustoni M, Ahlen SP, Ahmad A, Ahmadov F, Aielli G, Åkesson TPA, Akimoto G, Akimov AV, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Allbrooke BMM, Allison LJ, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, Alviggi MG, Amako K, Amaral Coutinho Y, Amelung C, Amidei D, Amor Dos Santos SP, Amorim A, Amoroso S, Amram N, Amundsen G, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Anduaga XS, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Araque JP, Arce ATH, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O, Arnal V. Measurement of event-plane correlations in √sNN = 2.76 TeV lead-lead collisions with the ATLAS detector. Physical Review C - Nuclear Physics. 2014 Aug 12;90(2).

Published In

Physical Review C - Nuclear Physics

DOI

10.1103/PhysRevC.90.024905

EISSN

1089-490X

ISSN

0556-2813

Publication Date

August 12, 2014

Volume

90

Issue

2

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics