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Directed and elliptic flow of charged pions and protons in Pb + Pb collisions at 40A and 158A GeV

(NA49 Collaboration) Alt, C; Anticic, T; Baatar, B; Barna, D; Bartke, J; Behler, M; Betev, L; Bialkowska, H; Billmeier, A; Blume, C; Boimska, B; Borghini, N; Botje, M; Bracinik, J; Bramm, R; Brun, R; Buncic, P; Cerny, V; Chvala, O; Cooper, GE; Cramer, JG; Csato, P; Dinh, PM; Dinkelaker, P; Eckardt, V; Filip, P; Fodor, Z; Foka, P; Freund, P; Friese, V; Gal, J; Gazdzicki, M; Georgopoulos, G; Gladysz, E; Hegyi, S; Hohne, C; Jacobs, P; Kadija, K; Karev, A; Kniege, S; Kolesnikov, VI; Kollegger, T; Korus, R; Kowalski, M; Kraus, I; Kreps, M; van Leeuwen, M; Levai, P; Malakhov, AI; Markert, C; Mayes, BW; Melkumov, GL; Meurer, C; Mischke, A; Mitrovski, M; Molnar, J; Mrowczynski, S; Odyniec, G; Ollitrault, JY; Palla, G; Panagiotou, AD; Perl, K; Petridis, A; Pikna, M; Pinsky, L; Poskanzer, AM; Puhlhofer, F; Reid, JG; Renfordt, R; Retyk, W; Ritter, HG; Roland, C; Roland, G; Rybczynski, M; Rybicki, A; Sandoval, A; Sann, H; Schmitz, N; Seyboth, P; Sikler, F; Sitar, B; Skrzypczak, E; Snellings, RJ; Stefanek, G; Stock, R; Strobele, H; Susa, T; Szentpetery, I; Sziklai, J; Trainor, TA; Varga, D; Vassiliou, M; Veres, GI; Vesztergombi, G; Voloshin, SA; Vranic, D; Wetzler, A; Wlodarczyk, Z; Yoo, IK; Zaranek, J; Zimanyi, J; (2003) Directed and elliptic flow of charged pions and protons in Pb + Pb collisions at 40A and 158A GeV. Physical Review C, 68 (3). 034903/1-034903/32. ISSN 0556-2813

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Abstract

Directed and elliptic flow measurements for charged pions and protons are reported as a function of transverse momentum, rapidity, and centrality for 40A and 158A GeV Pb + Pb collisions, as recorded by the NA49 detector. Both the standard method of correlating particles with an event plane and the cumulant method of studying multiparticle correlations are used. In the standard method the directed flow is corrected for conservation of momentum. In the cumulant method elliptic flow is reconstructed from genuine four-, six-, and eight-particle correlations, showing the first unequivocal evidence for collective motion in A + A collisions at SPS energies.

Item Type: Article
Uncontrolled Keywords: charged pions; particle correlations
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Projects:
Project titleProject leaderProject codeProject type
Eksperimentalna fizika visokih energijaKrešo Kadija0098015UNSPECIFIED
Depositing User: Tome Antičić
Date Deposited: 04 Apr 2016 13:47
Last Modified: 13 Mar 2017 13:11
URI: http://fulir.irb.hr/id/eprint/2656
DOI: 10.1103/PhysRevC.68.034903

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