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Charged and strange hadron elliptic flow in Cu plus Cu collisions at root s(NN)=62.4 and 200 GeV
Abelev, BI; Aggarwal, MM; Ahammed, Z; Alakhverdyants, AV; Alekseev, I; Anderson, BD; Arkhipkin, D; Averichev, GS; Balewski, J; Barnby, LS; Baumgart, S; Beavis, DR; Bellwied, R; Betancourt, MJ; Betts, RR; Bhasin, A; Bhati, AK; Bichsel, H; Bielcik, J; Bielcikova, J; Biritz, B; Bland, LC; Bonner, BE; Bouchet, J; Braidot, E; Brandin, AV; Bridgeman, A; Bruna, E; Bueltmann, S; Bunzarov, I; Burton, TP; Cai, XZ(蔡翔舟); Caines, H; Sanchez, MCD; Catu, O; Cebra, D; Cendejas, R; Cervantes, MC; Chajecki, Z; Chaloupka, P; Chattopadhyay, S; Chen, HF; Chen, JH; Chen, JY; Cheng, J; Cherney, M; Chikanian, A; Choi, KE; Christie, W; Chung, P; Clarke, RF; Codrington, MJM; Corliss, R; Cramer, JG; Crawford, HJ; Das, D; Dash, S; Leyva, AD; De Silva, LC; Debbe, RR; Dedovich, TG; DePhillips, M; Derevschikov, AA; de Souza, RD; Didenko, L; Djawotho, P; Dogra, SM; Dong, X; Drachenberg, JL; Draper, JE; Dunlop, JC; Mazumdar, MRD; Efimov, LG; Elhalhuli, E; Elnimr, M; Engelage, J; Eppley, G; Erazmus, B; Estienne, M; Eun, L; Evdokimov, O; Fachini, P; Fatemi, R; Fedorisin, J; Fersch, RG; Filip, P; Finch, E; Fine, V; Fisyak, Y; Gagliardi, CA; Gangadharan, DR; Ganti, MS; Garcia-Solis, EJ; Geromitsos, A; Geurts, F; Ghazikhanian, V; Ghosh, P; Gorbunov, YN; Gordon, A; Grebenyuk, O; Grosnick, D; Grube, B; Guertin, SM; Gupta, A; Gupta, N; Guryn, W; Haag, B; Hamed, A; Han, LX; Harris, JW; Hays-Wehle, JP; Heinz, M; Heppelmann, S; Hirsch, A; Hjort, E; Hoffman, AM; Hoffmann, GW; Hofman, DJ; Hollis, RS; Huang, HZ; Humanic, TJ; Huo, L; Igo, G; Iordanova, A; Jacobs, P; Jacobs, WW; Jakl, P; Jena, C; Jin, F; Jones, CL; Jones, PG; Joseph, J; Judd, EG; Kabana, S; Kajimoto, K; Kang, K; Kapitan, J; Kauder, K; Keane, D; Kechechyan, A; Kettler, D; Kikola, DP; Kiryluk, J; Kisiel, A; Klein, SR; Knospe, AG; Kocoloski, A; Koetke, DD; Kollegger, T; Konzer, J; Kopytine, M; Koralt, I; Koroleva, L; Korsch, W; Kotchenda, L; Kouchpil, V; Kravtsov, P; Krueger, K; Krus, M; Kumar, L; Kurnadi, P; Lamont, MAC; Landgraf, JM; LaPointe, S; Lauret, J; Lebedev, A; Lednicky, R; Lee, CH; Lee, JH; Leight, W; LeVine, MJ; Li, C; Li, L; Li, N; Li, W; Li, X; Li, Y; Li, Z; Lin, G; Lindenbaum, SJ; Lisa, MA; Liu, F; Liu, H; Liu, J; Ljubicic, T; Llope, WJ; Longacre, RS; Love, WA; Lu, Y; Ma, GL(马国亮); Ma, YG(马余刚); Mahapatra, DP; Majka, R; Mall, OI; Mangotra, LK; Manweiler, R; Margetis, S; Markert, C; Masui, H; Matis, HS; Matulenko, YA; McDonald, D; McShane, TS; Meschanin, A; Milner, R; Minaev, NG; Mioduszewski, S; Mischke, A; Mitrovski, MK; Mohanty, B; Mondal, MM; Morozov, B; Morozov, DA; Munhoz, MG; Nandi, BK; Nattrass, C; Nayak, TK; Nelson, JM; Netrakanti, PK; Ng, MJ; Nogach, LV; Nurushev, SB; Odyniec, G; Ogawa, A; Okada, H; Okorokov, V; Olson, D; Pachr, M; Page, BS; Pal, SK; Pandit, Y; Panebratsev, Y; Pawlak, T; Peitzmann, T; Perevoztchikov, V; Perkins, C; Peryt, W; Phatak, SC; Pile, P; Planinic, M; Ploskon, MA; Pluta, J; Plyku, D; Poljak, N; Poskanzer, AM; Potukuchi, BVKS; Powell, CB; Prindle, D; Pruneau, C; Pruthi, NK; Pujahari, PR; Putschke, J; Raniwala, R; Raniwala, S; Ray, RL; Redwine, R; Reed, R; Rehberg, JM; Ritter, HG; Roberts, JB; Rogachevskiy, OV; Romero, JL; Rose, A; Roy, C; Ruan, L; Sahoo, R; Sakai, S; Sakrejda, I; Sakuma, T; Salur, S; Sandweiss, J; Sangaline, E; Schambach, J; Scharenberg, RP; Schmitz, N; Schuster, TR; Seele, J; Seger, J; Selyuzhenkov, I; Seyboth, P; Shahaliev, E; Shao, M; Sharma, M; Shi, SS; Shi, XH; Sichtermann, EP; Simon, F; Singaraju, RN; Skoby, MJ; Smirnov, N; Sorensen, P; Sowinski, J; Spinka, HM; Srivastava, B; Stanislaus, TDS; Staszak, D; Stevens, JR; Stock, R; Strikhanov, M; Stringfellow, B; Suaide, AAP; Suarez, MC; Subba, NL; Sumbera, M; Sun, XM; Sun, Y; Sun, Z; Surrow, B; Svirida, DN; Symons, TJM; de Toledo, AS; Takahashi, J; Tang, AH; Tang, Z; Tarini, LH; Tarnowsky, T; Thein, D; Thomas, JH; Tian, J; Timmins, AR; Timoshenko, S; Tlusty, D; Tokarev, M; Tram, VN; Trentalange, S; Tribble, RE; Tsai, OD; Ulery, J; Ullrich, T; Underwood, DG; Van Buren, G; van Leeuwen, M; van Nieuwenhuizen, G; Vanfossen, JA; Varma, R; Vasconcelos, GMS; Vasiliev, AN; Videbaek, F; Viyogi, YP; Vokal, S; Voloshin, SA; Wada, M; Walker, M; Wang, F; Wang, G; Wang, H; Wang, JS; Wang, Q; Wang, XL; Wang, Y; Webb, G; Webb, JC; Westfall, GD; Whitten, C; Wieman, H; Wingfield, E; Wissink, SW; Witt, R; Wu, Y; Xie, W; Xu, N; Xu, QH; Xu, W; Xu, Y; Xu, Z; Xue, L; Yang, Y; Yepes, P; Yip, K; Yoo, IK; Yue, Q; Zawisza, M; Zbroszczyk, H; Zhan, W; Zhang, S(张松); Zhang, WM; Zhang, XP; Zhang, Y; Zhang, ZP; Zhao, J; Zhong, C(钟晨); Zhou, J; Zhou, W; Zhu, X; Zhu, YH; Zoulkarneev, R; Zoulkarneeva, Y; Shi, SS (reprint author), CCNU HZNU, Inst Particle Phys, Wuhan 430079, Peoples R China
2010
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume81Issue:4Pages:14
AbstractWe present the results of an elliptic flow, v(2), analysis of Cu + Cu collisions recorded with the solenoidal tracker detector (STAR) at the BNL Relativistic Heavy Ion Collider at root s(NN) = 62.4 and 200 GeV. Elliptic flow as a function of transverse momentum, v(2)(p(T)), is reported for different collision centralities for charged hadrons h(+/-) and strangeness-ontaining hadrons K(S)(0), Lambda, Xi, and phi in the midrapidity region vertical bar eta vertical bar < 1.0. Significant reduction in systematic uncertainty of the measurement due to nonflow effects has been achieved by correlating particles at midrapidity, vertical bar eta vertical bar < 1.0, with those at forward rapidity, 2.5 < vertical bar eta vertical bar < 4.0. We also present azimuthal correlations in p + p collisions at root s = 200 GeV to help in estimating nonflow effects. To study the system-size dependence of elliptic flow, we present a detailed comparison with previously published results from Au + Au collisions at root s(NN) = 200 GeV. We observe that v(2)(p(T)) of strange hadrons has similar scaling properties as were first observed in Au + Au collisions, that is, (i) at low transverse momenta, p(T) < 2 GeV/c, v(2) scales with transverse kinetic energy, m(T) - m, and (ii) at intermediate p(T), 2 < p(T) < 4 GeV/c, it scales with the number of constituent quarks, n(q.) We have found that ideal hydrodynamic calculations fail to reproduce the centrality dependence of v(2)(p(T)) for K(S)(0) and Lambda. Eccentricity scaled v(2) values, v(2)/epsilon, are larger in more central collisions, suggesting stronger collective flow develops in more central collisions. The comparison with Au + Au collisions, which go further in density, shows that v(2)/epsilon depends on the system size, that is, the number of participants N(part). This indicates that the ideal hydrodynamic limit is not reached in Cu + Cu collisions, presumably because the assumption of thermalization is not attained.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000277209500057
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/6865
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorShi, SS (reprint author), CCNU HZNU, Inst Particle Phys, Wuhan 430079, Peoples R China
Recommended Citation
GB/T 7714
Abelev, BI,Aggarwal, MM,Ahammed, Z,et al. Charged and strange hadron elliptic flow in Cu plus Cu collisions at root s(NN)=62.4 and 200 GeV[J]. PHYSICAL REVIEW C,2010,81(4):14.
APA Abelev, BI.,Aggarwal, MM.,Ahammed, Z.,Alakhverdyants, AV.,Alekseev, I.,...&Shi, SS .(2010).Charged and strange hadron elliptic flow in Cu plus Cu collisions at root s(NN)=62.4 and 200 GeV.PHYSICAL REVIEW C,81(4),14.
MLA Abelev, BI,et al."Charged and strange hadron elliptic flow in Cu plus Cu collisions at root s(NN)=62.4 and 200 GeV".PHYSICAL REVIEW C 81.4(2010):14.
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