作者
Georges Aad, Brad Abbott, Jalal Abdallah, Samah Abdel Khalek, Ahmed Ali Abdelalim, Abdel Abdesselam, Ovsat Abdinov, Babak Abi, Maris Abolins, OS AbouZeid, H Abramowicz, H Abreu, E Acerbi, BS Acharya, L Adamczyk, DL Adams, TN Addy, J Adelman, M Aderholz, S Adomeit, P Adragna, T Adye, S Aefsky, JA Aguilar-Saavedra, M Aharrouche, SP Ahlen, F Ahles, A Ahmad, M Ahsan, G Aielli, T Akdogan, TPA Åkesson, G Akimoto, AV Akimov, A Akiyama, MS Alam, MA Alam, J Albert, S Albrand, M Aleksa, IN Aleksandrov, F Alessandria, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, M Aliev, G Alimonti, J Alison, M Aliyev, BMM Allbrooke, PP Allport, SE Allwood-Spiers, J Almond, A Aloisio, R Alon, A Alonso, B Alvarez Gonzalez, MG Alviggi, K Amako, P Amaral, C Amelung, VV Ammosov, A Amorim, G Amoros, N Amram, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, ML Andrieux, XS Anduaga, A Angerami, F Anghinolfi, A Anisenkov, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, S Aoun, L Aperio Bella, R Apolle, G Arabidze, I Aracena, Y Arai, ATH Arce, S Arfaoui, JF Arguin, E Arik, M Arik, AJ Armbruster, O Arnaez, V Arnal, C Arnault, A Artamonov, G Artoni, D Arutinov, S Asai, R Asfandiyarov, S Ask, B Åsman, L Asquith, K Assamagan, A Astbury, A Astvatsatourov, B Aubert, E Auge, K Augsten, M Aurousseau, G Avolio, R Avramidou, D Axen, C Ay, G Azuelos, Y Azuma, MA Baak, G Baccaglioni, C Bacci, AM Bach, H Bachacou, K Bachas, M Backes, M Backhaus, E Badescu, P Bagnaia, S Bahinipati, Y Bai, DC Bailey, T Bain, JT Baines, OK Baker, MD Baker, S Baker, E Banas, P Banerjee, Sw Banerjee, D Banfi, A Bangert, V Bansal, HS Bansil, L Barak
发表日期
2012/7
期刊
Physical Review C—Nuclear Physics
卷号
86
期号
1
页码范围
014907
出版商
American Physical Society
简介
Differential measurements of charged particle azimuthal anisotropy are presented for lead-lead collisions at TeV with the ATLAS detector at the LHC, based on an integrated luminosity of approximately 8 . This anisotropy is characterized via a Fourier expansion of the distribution of charged particles in azimuthal angle relative to the reaction plane, with the coefficients denoting the magnitude of the anisotropy. Significant – values are obtained as a function of transverse momentum ( GeV), pseudorapidity (), and centrality using an event plane method. The values for are found to vary weakly with both and centrality, and their dependencies are found to follow an approximate scaling relation, , except in the top 5 most central collisions. A Fourier analysis of the charged particle pair distribution in relative azimuthal angle () is performed to extract the coefficients . For pairs of charged particles with …
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