Third Harmonic Flow of Charged Particles in Au+Au Collisions at sqrtsNN = 200 GeV

We report measurements of the third harmonic coefficient of the azimuthal anisotropy, v_3, known as triangular flow. The analysis is for charged particles in Au+Au collisions at sqrtsNN = 200 GeV, based on data from the STAR experiment at the Relativistic Heavy Ion Collider. Two-particle correlation...

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Bibliographic Details
Published in:arXiv.org 2013-07
Main Authors: Adamczyk, L, Adkins, J K, Arkhipkin, D, Averichev, G S, Banerjee, A, Bellwied, R, Betancourt, M J, Betts, R R, Bielcikova, J, Bouchet, J, Brovko, S G, Butterworth, J, M Calderón de la Barca Sánchez, Chaloupka, P, Chattopadhyay, S, Cui, X, Deng, J, Elnimr, M, Filip, P, Gangadharan, D R, Gibson, A, Gliske, S, Grebenyuk, O G, Gupta, S, Haag, B, Hirsch, A, Horvat, S, Huang, B, Igo, G, Jacobs, W W, A Kesich, Kisiel, A, Kollegger, T, Koralt, I, Kotchenda, L, Krueger, K, Lednicky, R, Y Li, Lisa, M A, Liu, F, Ljubicic, T, Llope, W J, Longacre, R S, Luo, X, Majka, R, Margetis, S, Matis, H S, McDonald, D, McShane, T S, Mohammed, Y, Mustafa, M K, Odyniec, G, Ogawa, A, Oldag, E W, Olson, D, Pal, S K, Perkins, C, Peryt, W, Pluta, J, Poskanzer, A M, Powell, C B, Pruneau, C, Qiu, H, Raniwala, S, Ross, J F, Ruan, L, Sakrejda, I, Sangaline, E, Schambach, J, Schuster, T R, Shi, S S, Singaraju, R N, Smirnov, D, Smirnov, N, Sorensen, P, Suarez, M C, Sumbera, M, Sun, Y, Sun, Z, Szanto de Toledo, A, Takahashi, J, Tang, Z, Tarnowsky, T, Tlusty, D, Tokarev, M, Ullrich, T, G van Nieuwenhuizen, Vanfossen, J A, Vasconcelos, G M S, Voloshin, S A, Wang, J S, Wang, X L, Wu, Y F, H Xu, Yang, C, Yepes, P, Zhang, S, Zhao, F, Zhao, J, Zhu, X
Format: Article
Language:English
Subjects:
Anisotropy
Charged particles
Collisions
Dependence
Heavy ions
Relativistic Heavy Ion Collider
Transverse momentum
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Summary:We report measurements of the third harmonic coefficient of the azimuthal anisotropy, v_3, known as triangular flow. The analysis is for charged particles in Au+Au collisions at sqrtsNN = 200 GeV, based on data from the STAR experiment at the Relativistic Heavy Ion Collider. Two-particle correlations as a function of their pseudorapidity separation are fit with narrow and wide Gaussians. Measurements of triangular flow are extracted from the wide Gaussian, from two-particle cumulants with a pseudorapidity gap, and also from event plane analysis methods with a large pseudorapidity gap between the particles and the event plane. These results are reported as a function of transverse momentum and centrality. A large dependence on the pseudorapidity gap is found. Results are compared with other experiments and model calculations.
ISSN:2331-8422
DOI:10.48550/arxiv.1301.2187