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  • Particle-type dependence of...
    Adams, J; Anderson, B D; Balewski, J; Belaga, V V; Berger, J; Bezverkhny, B I; Bhardwaj, S; Bravar, A; Calderón de la Barca Sánchez, M; Chen, Y; Choi, B; Crawford, H J; Das, S; Derevschikov, A A; Didenko, L; Dubey, A K; Eckardt, V; Erazmus, B; Fachini, P; Faine, V; Fatemi, R; Filip, P; Flierl, D; Foley, K J; Ganti, M S; Germain, M; Ghosh, P; Grigoriev, V; Gushin, E; Heinz, M; Hippolyte, B; Hoffmann, G W; Huang, H Z; Huang, S L; Humanic, T J; Janik, M; Johnson, I; Jones, P G; Judd, E G; Klay, J; Kollegger, T; Kravtsov, V I; Kulikov, A I; Kutuev, R Kh; Lasiuk, B; Lednický, R; LeVine, M J; Li, C; Li, Q; Lindenbaum, S J; Llope, W J; Ludlam, T; Ma, J; Ma, Y G; Magestro, D; Margetis, S; Martin, L; Meissner, F; Meschanin, A; Messer, M; Mishra, D; Nandi, B K; Nelson, J M; Nevski, P; Panebratsev, Y; Panitkin, S Y; Petrov, V A; Porile, N; Poskanzer, A M; Potukuchi, B V K S; Putschke, J; Ridiger, A; Roberts, J B; Rose, A; Ruan, L J; Sandweiss, J; Savin, I; Schroeder, L S; Seger, J; Shimanskii, S S; Snellings, R; Sorensen, P; Stanislaus, S; Sugarbaker, E; Takahashi, J; Thomas, J H; Trentalange, S; Trivedi, M D; Vasiliev, A N; Voloshin, S A; Wang, X L; Watson, J W; Whitten, Jr, C; Willson, R; Wissink, S W; Wood, J; Xu, Z; Xu, Z Z; Yamamoto, E; Zoulkarneev, R

    Physical review letters, 2004-Feb-06, 20040206, Letnik: 92, Številka: 5
    Journal Article

    We present STAR measurements of the azimuthal anisotropy parameter v(2) and the binary-collision scaled centrality ratio R(CP) for kaons and lambdas (Lambda+Lambda) at midrapidity in Au+Au collisions at square root of s(NN)=200 GeV. In combination, the v(2) and R(CP) particle-type dependencies contradict expectations from partonic energy loss followed by standard fragmentation in vacuum. We establish p(T) approximately 5 GeV/c as the value where the centrality dependent baryon enhancement ends. The K(0)(S) and Lambda+Lambda v(2) values are consistent with expectations of constituent-quark-number scaling from models of hadron formation by parton coalescence or recombination.