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Phys Rev Lett. 2007 Aug 03;99(5):052301. doi: 10.1103/PhysRevLett.99.052301. Epub 2007 Jul 31.

Elliptic flow for phi mesons and (anti)deuterons in Au+Au collisions at square root of sNN=200 GeV.

Physical review letters

S Afanasiev, C Aidala, N N Ajitanand, Y Akiba, J Alexander, A Al-Jamel, K Aoki, L Aphecetche, R Armendariz, S H Aronson, R Averbeck, T C Awes, B Azmoun, V Babintsev, A Baldisseri, K N Barish, P D Barnes, B Bassalleck, S Bathe, S Batsouli, V Baublis, F Bauer, A Bazilevsky, S Belikov, R Bennett, Y Berdnikov, M T Bjorndal, J G Boissevain, H Borel, K Boyle, M L Brooks, D S Brown, D Bucher, H Buesching, V Bumazhnov, G Bunce, J M Burward-Hoy, S Butsyk, S Campbell, J-S Chai, S Chernichenko, J Chiba, C Y Chi, M Chiu, I J Choi, T Chujo, V Cianciolo, C R Cleven, Y Cobigo, B A Cole, M P Comets, P Constantin, M Csanád, T Csörgo, T Dahms, K Das, G David, H Delagrange, A Denisov, D d'Enterria, A Deshpande, E J Desmond, O Dietzsch, A Dion, J L Drachenberg, O Drapier, A Drees, A K Dubey, A Durum, V Dzhordzhadze, Y V Efremenko, J Egdemir, A Enokizono, H En'yo, B Espagnon, S Esumi, D E Fields, F Fleuret, S L Fokin, B Forestier, Z Fraenkel, J E Frantz, A Franz, A D Frawley, Y Fukao, S-Y Fung, S Gadrat, F Gastineau, M Germain, A Glenn, M Gonin, J Gosset, Y Goto, R Granier de Cassagnac, N Grau, S V Greene, M Grosse Perdekamp, T Gunji, H-A Gustafsson, T Hachiya, A Hadj Henni, J S Haggerty, M N Hagiwara, H Hamagaki, H Harada, E P Hartouni, K Haruna, M Harvey, E Haslum, K Hasuko, R Hayano, M Heffner, T K Hemmick, J M Heuser, X He, H Hiejima, J C Hill, R Hobbs, M Holmes, W Holzmann, K Homma, B Hong, T Horaguchi, M G Hur, T Ichihara, K Imai, M Inaba, D Isenhower, L Isenhower, M Ishihara, T Isobe, M Issah, A Isupov, B V Jacak, J Jia, J Jin, O Jinnouchi, B M Johnson, K S Joo, D Jouan, F Kajihara, S Kametani, N Kamihara, M Kaneta, J H Kang, T Kawagishi, A V Kazantsev, S Kelly, A Khanzadeev, D J Kim, E Kim, Y-S Kim, E Kinney, A Kiss, E Kistenev, A Kiyomichi, C Klein-Boesing, L Kochenda, V Kochetkov, B Komkov, M Konno, D Kotchetkov, A Kozlov, P J Kroon, G J Kunde, N Kurihara, K Kurita, M J Kweon, Y Kwon, G S Kyle, R Lacey, J G Lajoie, A Lebedev, Y Le Bornec, S Leckey, D M Lee, M K Lee, M J Leitch, M A L Leite, H Lim, A Litvinenko, M X Liu, X H Li, C F Maguire, Y I Makdisi, A Malakhov, M D Malik, V I Manko, H Masui, F Matathias, M C McCain, P L McGaughey, Y Miake, T E Miller, A Milov, S Mioduszewski, G C Mishra, J T Mitchell, D P Morrison, J M Moss, T V Moukhanova, D Mukhopadhyay, J Murata, S Nagamiya, Y Nagata, J L Nagle, M Naglis, T Nakamura, J Newby, M Nguyen, B E Norman, A S Nyanin, J Nystrand, E O'Brien, C A Ogilvie, H Ohnishi, I D Ojha, H Okada, K Okada, O O Omiwade, A Oskarsson, I Otterlund, K Ozawa, D Pal, A P T Palounek, V Pantuev, V Papavassiliou, J Park, W J Park, S F Pate, H Pei, J-C Peng, H Pereira, V Peresedov, D Yu Peressounko, C Pinkenburg, R P Pisani, M L Purschke, A K Purwar, H Qu, J Rak, I Ravinovich, K F Read, M Reuter, K Reygers, V Riabov, Y Riabov, G Roche, A Romana, M Rosati, S S E Rosendahl, P Rosnet, P Rukoyatkin, V L Rykov, S S Ryu, B Sahlmueller, N Saito, T Sakaguchi, S Sakai, V Samsonov, H D Sato, S Sato, S Sawada, V Semenov, R Seto, D Sharma, T K Shea, I Shein, T-A Shibata, K Shigaki, M Shimomura, T Shohjoh, K Shoji, A Sickles, C L Silva, D Silvermyr, K S Sim, C P Singh, V Singh, S Skutnik, W C Smith, A Soldatov, R A Soltz, W E Sondheim, S P Sorensen, I V Sourikova, F Staley, P W Stankus, E Stenlund, M Stepanov, A Ster, S P Stoll, T Sugitate, C Suire, J P Sullivan, J Sziklai, T Tabaru, S Takagi, E M Takagui, A Taketani, K H Tanaka, Y Tanaka, K Tanida, M J Tannenbaum, A Taranenko, P Tarján, T L Thomas, M Togawa, J Tojo, H Torii, R S Towell, V-N Tram, I Tserruya, Y Tsuchimoto, S K Tuli, H Tydesjö, N Tyurin, C Vale, H Valle, H W vanHecke, J Velkovska, R Vertesi, A A Vinogradov, E Vznuzdaev, M Wagner, X R Wang, Y Watanabe, J Wessels, S N White, N Willis, D Winter, C L Woody, M Wysocki, W Xie, A Yanovich, S Yokkaichi, G R Young, I Younus, I E Yushmanov, W A Zajc, O Zaudtke, C Zhang, J Zimányi, L Zolin,

Affiliations

  1. Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.

PMID: 17930746 DOI: 10.1103/PhysRevLett.99.052301

Abstract

Differential elliptic flow (v(2)) for phi mesons and (anti)deuterons (d)d is measured for Au+Au collisions at square root of sNN=200 GeV. The v(2) for phi mesons follows the trend of lighter pi+/- and K+/- mesons, suggesting that ordinary hadrons interacting with standard hadronic cross sections are not the primary driver for elliptic flow development. The v(2) values for (d)d suggest that elliptic flow is additive for composite particles. This further validation of the universal scaling of v(2) per constituent quark for baryons and mesons suggests that partonic collectivity dominates the transverse expansion dynamics.

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