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Elliptic flow for $\phi$ mesons and (anti)deuterons in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

S. Afanasiev C. Aidala N.N. Ajitanand Y. Akiba J. Alexander A. Al-Jamel K. Aoki Laurent Aphecetche 1 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 2 P. Constantin M. Csanad T. Csörgo T. Dahms K. Das G. David H. Delagrange 1 A. Denisov D. d'Enterria A. Deshpande E.J. Desmond O. Dietzsch A. Dion J.L. Drachenberg O. Drapier 3 A. Drees A.K. Dubey A. Durum V. Dzhordzhadze Y.V. Efremenko J. Egdemir A. Enokizono H. En'Yo B. Espagnon 2 S. Esumi D.E. Fields F. Fleuret 3 S.L. Fokin B. Forestier 4 Z. Fraenkel J.E. Frantz A. Franz A.D. Frawley Y. Fukao S.-Y. Fung S. Gadrat 4 F. Gastineau 1 Marie Germain 1 A. Glenn M. Gonin 3 J. Gosset Y. Goto R. Granier de Cassagnac 3 N. Grau S.V. Greene M. Grosse Perdekamp T. Gunji H.-A. Gustafsson T. Hachiya A. Hadj Henni 1 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 2 F. Kajihara S. Kametani N. Kamihara M. Kaneta J.H. Kang T. Kawagishi A.V. Kazantsev Steven 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 2 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 4 A. Romana 3 M. Rosati S.S.E. Rosendahl P. Rosnet 4 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 2 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. Tarjan T.L. Thomas M. Togawa J. Tojo H. Torii R.S. Towell V.-N. Tram 3 I. Tserruya Y. Tsuchimoto S.K. Tuli H. Tydesjö N. Tyurin 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 2 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. Zimanyi L. Zolin
Abstract : Differential elliptic flow (v_2) for phi mesons and (anti)deuterons (d^bar)d is measured for Au+Au collisions at sqrt(s_NN) = 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^bar)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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Submitted on : Monday, April 16, 2007 - 6:06:52 PM
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S. Afanasiev, C. Aidala, N.N. Ajitanand, Y. Akiba, J. Alexander, et al.. Elliptic flow for $\phi$ mesons and (anti)deuterons in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. Physical Review Letters, American Physical Society, 2007, 99, pp.052301. ⟨10.1103/PhysRevLett.99.052301⟩. ⟨in2p3-00141927⟩

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