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Azimuthal anisotropy and correlations at large transverse momenta in $p+p$ and Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

J. Adams M.M. Aggarwal Z. Ahammed J. Amonett B.D. Anderson D. Arkhipkin G.S. Averichev Y. Bai J. Balewski O. Barannikova L.S. Barnby J. Baudot 1 S. Bekele V.V. Belaga R. Bellwied J. Berger B.I. Bezverkhny S. Bharadwaj V.S. Bhatia H. Bichsel A. Billmeier L.C. Bland C.O. Blyth B.E. Bonner M. Botje A. Boucham 2 A.V. Brandin A. Bravar M. Bystersky R. Cadman X.Z. Cai H. Caines M. Calderon de la Barca Sanchez J. Carroll J. Castillo D. Cebra Z. Chajecki P. Chaloupka S. Chattopdhyay Y.F. Chen Y. Chen J. Cheng M. Cherney A. Chikanian W. Christie J.P. Coffin 1 T.M. Cormier J.G. Cramer H.J. Crawford D. Das S. Das M.M. de Moura A.A. Derevschikov L. Didenko T. Dietel W.J. Dong X. Dong J.E. Draper F. Du A.K. Dubey V.B. Dunin J.C. Dunlop M.R. Dutta Mazumdar V. Eckardt W.R. Edwards L.G. Efimov V. Emelianov J. Engelage G. Eppley B. Erazmus 2 Magali Estienne 2 P. Fachini J. Faivre 1 R. Fatemi J. Fedorisin K. Filimonov P. Filip E. Finch V. Fine Y. Fisyak K.J. Foley K. Fomenko J. Fu C.A. Gagliardi J. Gans M.S. Ganti L. Gaudichet 2 F. Geurts V. Ghazikhanian P. Ghosh J.E. Gonzalez O. Grachov O. Grebenyuk D. Grosnick S.M. Guertin Y. Guo Anupam Gupta T.D. Gutierrez T.J. Hallman A. Hamed D. Hardtke J.W. Harris M. Heinz T.W. Henry S. Hepplemann B. Hippolyte A. Hirsch E. Hjort G.W. Hoffmann H.Z Huang S.L. Huang E.W. Hughes T.J. Humanic G. Igo A. Ishihara P. Jacobs W.W. Jacobs M. Janik H. Jiang P.G. Jones E.G. Judd S. Kabana K. Kang M. Kaplan D. Keane V.Yu. Khodyrev J. Kiryluk A. Kisiel E.M. Kislov J. Klay S.R. Klein A. Klyachko D.D. Koetke T. Kollegger M. Kopytine L. Kotchenda M. Kramer P. Kravtsov V.I. Kravtsov K. Krueger C. Kuhn 1 A.I. Kulikov A. Kumar C.L. Kunz R. Kutuev A.A. Kuznetsov M.A.C. Lamont J.M. Landgraf S. Lange F. Laue J. Lauret A. Lebedev R. Lednicky S. Lehocka M.J. Levine C. Li Q. Li Y. Li S.J. Lindenbaum M.A. Lisa Franklin Liu L. Liu Q.J. Liu Z. Liu T. Ljubicic W.J. Llope H. Long R.S. Longacre M. Lopez-Noriega W.A. Love Y. Lu T. Ludlam D. Lynn G.L. Ma J.G. Ma Y.G. Ma D. Magestro S. Mahajan D.P. Mahapatra R. Majka L.K. Mangotra R. Manweiler S. Margetis C. Markert Lilian Martin 2 J.N. Marx H.S. Matis Yu.A. Matulenko C.J. Mcclain T.S. Mcshane F. Meissner Yu. Melnick A. Meschanin M.L. Miller Z. Milosevich N.G. Minaev C. Mironov A. Mischke D. Mishra J. Mitchell B. Mohanty L. Molnar C.F. Moore M.J. Mora-Corral D.A. Morozov V. Morozov M.G. Munhoz B.K. Nandi T.K. Nayak J.M. Nelson P.K. Netrakanti V.A. Nikitin L.V. Nogach S.B. Nurushev G. Odyniec A. Ogawa V. Okorokov M. Oldenburg D. Olson S.K. Pal Y. Panebratsev S.Y. Panitkin A.I. Pavlinov T. Pawlak T. Peitzmann V. Perevoztchikov C. Perkins W. Peryt V.A. Petrov S.C. Phatak R. Picha M. Planinic J. Pluta N. Porile J. Porter A.M. Poskanzer M. Potekhin E. Potrebenikova B.V.K.S. Potukuchi D. Prindle C. Pruneau J. Putschke G. Rai G. Rakness R. Raniwala S. Raniwala O. Ravel 2 R.L. Ray S.V. Razin D. Reichhold J.G. Reid G. Renault 2 F. Retiere A. Ridiger H.G. Ritter J.B. Roberts O.V. Rogachevskiy J.L. Romero A. Rose C. Roy 2 L. Ruan I. Sakrejda S. Salur J. Sandweiss I. Savin P.S. Sazhin J. Schambach R.P. Scharenberg N. Schmitz L.S. Schroeder K. Schweda J. Seger P. Seyboth E. Shahaliev M. Shao W. Shao M. Sharma W.Q. Shen K.E. Shestermanov S.S. Shimanskiy F. Simon R.N. Singaraju G. Skoro N. Smirnov R. Snellings G. Sood P. Sorensen J. Sowinski J. Speltz 1 H.M. Spinka B. Srivastava A. Stadnik T.D.S. Stanislaus R. Stock A. Stolpovsky M. Strikhanov B. Stringfellow A.A.P. Suaide E. Sugarbaker C. Suire M. Sumbera B. Surrow T.J.M. Symons A. Szanto de Toledo P. Szarwas A. Tai J. Takahashi A.H. Tang T. Tarnowsky D. Thein J.H. Thomas S. Timoshenko M. Tokarev T.A. Trainor S. Trentalange R.E. Tribble O. Tsai J. Ulery T. Ullrich D.G. Underwood A. Urkinbaev G. van Buren A.M. Vandermolen R. Varma I.M. Vasilevski A.N. Vasiliev R. Vernet S.E. Vigdor Y.P. Viyogi S. Vokal S.A. Voloshin M. Vznuzdaev B. Waggoner F. Wang Gang Wang X.L. Wang Y. Wang Z.M. Wang H. Ward J.W. Watson J.C. Webb R. Wells G.D. Westfall A. Wetzler C. Whitten Jr. H. Wieman R. Witt J. Wood N. Xu Z. Xu E. Yamamoto P. Yepes V.I. Yurevich Y.V. Zanevsky H. Zhang W.M. Zhang Z.P. Zhang P.A. Zolnierczuk R. Zoulkarneev Y. Zoulkarneeva A.N. Zubarev
Abstract : Results on high transverse momentum charged particle emission with respect to the reaction plane are presented for Au+Au collisions at $\sqrt{s_{_{NN}}}$= 200 GeV. Two- and four-particle correlations results are presented as well as a comparison of azimuthal correlations in Au+Au collisions to those in $p+p$ at the same energy. Elliptic anisotropy, $v_2$, is found to reach its maximum at $p_t \sim 3$ GeV/c, then decrease slowly and remain significant up to $p_t\approx 7$ -- 10 GeV/c. Stronger suppression is found in the back-to-back high-$p_t$ particle correlations for particles emitted out-of-plane compared to those emitted in-plane. The centrality dependence of $v_2$ at intermediate $p_t$ is compared to simple models based on jet quenching.
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Submitted on : Thursday, October 14, 2004 - 9:41:37 AM
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J. Adams, M.M. Aggarwal, Z. Ahammed, J. Amonett, B.D. Anderson, et al.. Azimuthal anisotropy and correlations at large transverse momenta in $p+p$ and Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV. Physical Review Letters, American Physical Society, 2004, 93, pp.252301-1 252301-6. ⟨10.1103/PhysRevLett.93.252301⟩. ⟨in2p3-00023223⟩

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