Elliptic and hexadecapole flow of charged hadrons in Au+Au collisions at sq.rt(s(NN))=200 GeV.
Journal: Physical Review Letters
Published:
Abstract
Differential measurements of the elliptic (v(2)) and hexadecapole (v(4)) Fourier flow coefficients are reported for charged hadrons as a function of transverse momentum (p(T)) and collision centrality or number of participant nucleons (N(part)) for Au+Au collisions at sq.rt(s(NN))=200 GeV. The v(2,4) measurements at pseudorapidity |η|≤0.35, obtained with four separate reaction-plane detectors positioned in the range 1.0<|η|<3.9, show good agreement, indicating the absence of significant Δη-dependent nonflow correlations. Sizable values for v(4)(p(T)) are observed with a ratio v(4)(p(T),N(part))/v(2)(2)(p(T),N(part))≈0.8 for 50≲N(part)≲200, which is compatible with the combined effects of a finite viscosity and initial eccentricity fluctuations. For N(part)≳200 this ratio increases up to 1.7 in the most central collisions.
Authors
A Adare, S Afanasiev, C Aidala, N Ajitanand, Y Akiba, H Al Bataineh, J Alexander, K Aoki, Y Aramaki, E Atomssa, R Averbeck, T Awes, B Azmoun, V Babintsev, M Bai, G Baksay, L Baksay, K Barish, B Bassalleck, A Basye, S Bathe, V Baublis, C Baumann, A Bazilevsky, S Belikov, R Belmont, R Bennett, A Berdnikov, Y Berdnikov, A Bickley, J Bok, K Boyle, M Brooks, H Buesching, V Bumazhnov, G Bunce, S Butsyk, C Camacho, S Campbell, C-h Chen, C Chi, M Chiu, I Choi, R Choudhury, P Christiansen, T Chujo, P Chung, O Chvala, V Cianciolo, Z Citron, B Cole, M Connors, P Constantin, M Csanád, T Csörgo, T Dahms, S Dairaku, I Danchev, K Das, A Datta, G David, A Denisov, A Deshpande, E Desmond, O Dietzsch, A Dion, M Donadelli, O Drapier, A Drees, K Drees, J Durham, A Durum, D Dutta, S Edwards, Y Efremenko, F Ellinghaus, T Engelmore, A Enokizono, H En'yo, S Esumi, B Fadem, D Fields, M Finger, M Finger, F Fleuret, S Fokin, Z Fraenkel, J Frantz, A Franz, A Frawley, K Fujiwara, Y Fukao, T Fusayasu, I Garishvili, A Glenn, H Gong, M Gonin, Y Goto, R Granier De Cassagnac, N Grau, S Greene, M Grosse Perdekamp, T Gunji, H-a Gustafsson, J Haggerty, K Hahn, H Hamagaki, J Hamblen, J Hanks, R Han, E Hartouni, E Haslum, R Hayano, M Heffner, S Hegyi, T Hemmick, T Hester, X He, J Hill, M Hohlmann, W Holzmann, K Homma, B Hong, T Horaguchi, D Hornback, S Huang, T Ichihara, R Ichimiya, J Ide, Y Ikeda, K Imai, M Inaba, D Isenhower, M Ishihara, T Isobe, M Issah, A Isupov, D Ivanischev, B Jacak, J Jia, J Jin, B Johnson, K Joo, D Jouan, D Jumper, F Kajihara, S Kametani, N Kamihara, J Kamin, J Kang, J Kapustinsky, K Karatsu, D Kawall, M Kawashima, A Kazantsev, T Kempel, A Khanzadeev, K Kijima, B Kim, D Kim, D Kim, E Kim, E Kim, S Kim, Y Kim, E Kinney, K Kiriluk, A Kiss, E Kistenev, L Kochenda, B Komkov, M Konno, J Koster, D Kotchetkov, A Kozlov, A Král, A Kravitz, G Kunde, K Kurita, M Kurosawa, Y Kwon, G Kyle, R Lacey, Y Lai, J Lajoie, A Lebedev, D Lee, J Lee, K Lee, K Lee, K Lee, M Leitch, M A Leite, E Leitner, B Lenzi, P Liebing, L Linden Levy, T Liska, A Litvinenko, H Liu, M Liu, X Li, B Love, R Luechtenborg, D Lynch, C Maguire, Y Makdisi, A Malakhov, M Malik, V Manko, E Mannel, Y Mao, H Masui, F Matathias, M Mccumber, P Mcgaughey, N Means, B Meredith, Y Miake, A Mignerey, P Mikes, K Miki, A Milov, M Mishra, J Mitchell, A Mohanty, Y Morino, A Morreale, D Morrison, T Moukhanova, J Murata, S Nagamiya, J Nagle, M Naglis, M Nagy, I Nakagawa, Y Nakamiya, T Nakamura, K Nakano, J Newby, M Nguyen, R Nouicer, A Nyanin, E O'brien, S Oda, C Ogilvie, K Okada, M Oka, Y Onuki, A Oskarsson, M Ouchida, K Ozawa, R Pak, V Pantuev, V Papavassiliou, I Park, J Park, S Park, W Park, S Pate, H Pei, J-c Peng, H Pereira, V Peresedov, D Peressounko, C Pinkenburg, R Pisani, M Proissl, M Purschke, A Purwar, H Qu, J Rak, A Rakotozafindrabe, I Ravinovich, K Read, K Reygers, V Riabov, Y Riabov, E Richardson, D Roach, G Roche, S Rolnick, M Rosati, C Rosen, S Rosendahl, P Rosnet, P Rukoyatkin, P Ruzicka, B Sahlmueller, N Saito, T Sakaguchi, K Sakashita, V Samsonov, S Sano, T Sato, S Sawada, K Sedgwick, J Seele, R Seidl, A Semenov, R Seto, D Sharma, I Shein, T-a Shibata, K Shigaki, M Shimomura, K Shoji, P Shukla, A Sickles, C Silva, D Silvermyr, C Silvestre, K Sim, B Singh, C Singh, V Singh, M Slunecka, R Soltz, W Sondheim, S Sorensen, I Sourikova, N Sparks, P Stankus, E Stenlund, S Stoll, T Sugitate, A Sukhanov, J Sziklai, E Takagui, A Taketani, R Tanabe, Y Tanaka, K Tanida, M Tannenbaum, S Tarafdar, A Taranenko, P Tarján, H Themann, T Thomas, M Togawa, A Toia, L Tomásek, H Torii, R Towell, I Tserruya, Y Tsuchimoto, C Vale, H Valle, H Van Hecke, E Vazquez Zambrano, A Veicht, J Velkovska, R Vértesi, A Vinogradov, M Virius, V Vrba, E Vznuzdaev, X Wang, D Watanabe, K Watanabe, Y Watanabe, F Wei, R Wei, J Wessels, S White, D Winter, J Wood, C Woody, R Wright, M Wysocki, W Xie, Y Yamaguchi, K Yamaura, R Yang, A Yanovich, J Ying, S Yokkaichi, G Young, I Younus, Z You, I Yushmanov, W Zajc, C Zhang, S Zhou, L Zolin