Energy and system-size dependence of two- and four-particle v 2 measurements in heavy-ion collisions at √s NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow

G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, B. D. Anderson, C. D. Anson, D. Arkhipkin, G. S. Averichev, J. Balewski, D. R. Beavis, N. K. Behera, R. Bellwied, M. J. Betancourt, R. R. Betts, A. Bhasin, A. K. Bhati, H. Bichsel, J. BielcikJ. Bielcikova, L. C. Bland, I. G. Bordyuzhin, W. Borowski, J. Bouchet, E. Braidot, A. V. Brandin, A. Bridgeman, S. G. Brovko, E. Bruna, S. Bueltmann, I. Bunzarov, T. P. Burton, X. Z. Cai, H. Caines, M. Calderón De La Barca Sánchez, D. Cebra, R. Cendejas, M. C. Cervantes, P. Chaloupka, S. Chattopadhyay, H. F. Chen, J. H. Chen, J. Y. Chen, L. Chen, J. Cheng, Michael G. Cherney, A. Chikanian, K. E. Choi, W. Christie, P. Chung, M. J M Codrington, R. Corliss, J. G. Cramer, H. J. Crawford, X. Cui, A. Davila Leyva, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, A. A. Derevschikov, R. Derradi De Souza, L. Didenko, P. Djawotho, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, J. C. Dunlop, L. G. Efimov, M. Elnimr, J. Engelage, G. Eppley, M. Estienne, L. Eun, O. Evdokimov, R. Fatemi, J. Fedorisin, R. G. Fersch, P. Filip, E. Finch, V. Fine, Y. Fisyak, C. A. Gagliardi, D. R. Gangadharan, F. Geurts, P. Ghosh, Y. N. Gorbunov, A. Gordon, O. G. Grebenyuk, D. Grosnick, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L. X. Han, J. W. Harris, J. P. Hays-Wehle, M. Heinz, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, B. Huang, H. Z. Huang, T. J. Humanic, L. Huo, G. Igo, W. W. Jacobs, C. Jena, F. Jin, J. Joseph, E. G. Judd, S. Kabana, K. Kang, J. Kapitan, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, D. Kettler, D. P. Kikola, J. Kiryluk, A. Kisiel, V. Kizka, S. R. Klein, A. G. Knospe, D. D. Koetke, T. Kollegger, J. Konzer, I. Koralt, L. Koroleva, W. Korsch, L. Kotchenda, V. Kouchpil, P. Kravtsov, K. Krueger, M. Krus, L. Kumar, M. A C Lamont, J. M. Landgraf, S. Lapointe, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Leight, M. J. Levine, C. Li, L. Li, N. Li, W. Li, X. Li, X. Li, Y. Li, Z. M. Li, L. M. Lima, M. A. Lisa, F. Liu, H. Liu, J. Liu, T. Ljubicic, W. J. Llope, R. S. Longacre, Y. Lu, E. V. Lukashov, X. Luo, G. L. Ma, Y. G. Ma, D. P. Mahapatra, R. Majka, O. I. Mall, R. Manweiler, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, T. S. McShane, A. Meschanin, R. Milner, N. G. Minaev, S. Mioduszewski, M. K. Mitrovski, Y. Mohammed, B. Mohanty, M. M. Mondal, B. Morozov, D. A. Morozov, M. G. Munhoz, M. K. Mustafa, M. Naglis, B. K. Nandi, T. K. Nayak, L. V. Nogach, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E. W. Oldag, R. A N Oliveira, D. Olson, M. Pachr, B. S. Page, S. K. Pal, Y. Pandit, Y. Panebratsev, T. Pawlak, H. Pei, T. Peitzmann, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A. M. Poskanzer, C. B. Powell, D. Prindle, C. Pruneau, N. K. Pruthi, P. R. Pujahari, J. Putschke, H. Qiu, R. Raniwala, S. Raniwala, R. Redwine, R. Reed, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, L. Ruan, J. Rusnak, N. R. Sahoo, I. Sakrejda, S. Salur, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R. P. Scharenberg, J. Schaub, A. M. Schmah, N. Schmitz, T. R. Schuster, J. Seele, Janet E. Seger, I. Selyuzhenkov, P. Seyboth, N. Shah, E. Shahaliev, M. Shao, B. Sharma, M. Sharma, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, F. Simon, R. N. Singaraju, M. J. Skoby, N. Smirnov, D. Solanki, P. Sorensen, U. G. De Souza, H. M. Spinka, B. Srivastava, T. D S Stanislaus, S. G. Steadman, J. R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A. A P Suaide, M. C. Suarez, N. L. Subba, M. Sumbera, X. M. Sun, Y. Sun, Z. Sun, B. Surrow, D. N. Svirida, T. J M Symons, A. Szanto De Toledo, J. Takahashi, A. H. Tang, Z. Tang, L. H. Tarini, T. Tarnowsky, D. Thein, J. H. Thomas, J. Tian, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, B. A. Trzeciak, O. D. Tsai, T. Ullrich, D. G. Underwood, G. Van Buren, G. Van Nieuwenhuizen, J. A. Vanfossen, R. Varma, G. M S Vasconcelos, A. N. Vasiliev, F. Videbæk, Y. P. Viyogi, S. Vokal, S. A. Voloshin, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J. S. Wang, Q. Wang, X. L. Wang, Y. Wang, G. Webb, J. C. Webb, G. D. Westfall, C. Whitten, H. Wieman, S. W. Wissink, R. Witt, W. Witzke, Y. F. Wu, Z. Xiao, W. Xie, H. Xu, N. Xu, Q. H. Xu, W. Xu, Y. Xu, Z. Xu, L. Xue, Y. Yang, Y. Yang, P. Yepes, K. Yip, I. K. Yoo, M. Zawisza, H. Zbroszczyk, W. Zhan, J. B. Zhang, S. Zhang, W. M. Zhang, X. P. Zhang, Y. Zhang, Z. P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y. H. Zhu, Y. Zoulkarneeva

Research output: Contribution to journalArticle

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Abstract

We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants v 2 (v 2{2} and v 2{4}) for Au+Au and Cu+Cu collisions at center-of-mass energies √sN N=62.4 and 200 GeV. The difference between v 2 {2 }2 and v 2 {4 }2 is related to v 2 fluctuations (σv 2) and nonflow (δ 2). We present an upper limit to σv 2/v 2. Following the assumption that eccentricity fluctuations σ dominate v 2 fluctuations σv 2v 2≈σ we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with v 2{2} and v 2{4}. We also present results on the ratio of v 2 to eccentricity.

Original languageEnglish
Article number014904
JournalPhysical Review C - Nuclear Physics
Volume86
Issue number1
DOIs
StatePublished - Jul 11 2012

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ionic collisions
eccentricity
energy
center of mass
anisotropy
collisions

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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Energy and system-size dependence of two- and four-particle v 2 measurements in heavy-ion collisions at √s NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow. / Agakishiev, G.; Aggarwal, M. M.; Ahammed, Z.; Alakhverdyants, A. V.; Alekseev, I.; Alford, J.; Anderson, B. D.; Anson, C. D.; Arkhipkin, D.; Averichev, G. S.; Balewski, J.; Beavis, D. R.; Behera, N. K.; Bellwied, R.; Betancourt, M. J.; Betts, R. R.; Bhasin, A.; Bhati, A. K.; Bichsel, H.; Bielcik, J.; Bielcikova, J.; Bland, L. C.; Bordyuzhin, I. G.; Borowski, W.; Bouchet, J.; Braidot, E.; Brandin, A. V.; Bridgeman, A.; Brovko, S. G.; Bruna, E.; Bueltmann, S.; Bunzarov, I.; Burton, T. P.; Cai, X. Z.; Caines, H.; Calderón De La Barca Sánchez, M.; Cebra, D.; Cendejas, R.; Cervantes, M. C.; Chaloupka, P.; Chattopadhyay, S.; Chen, H. F.; Chen, J. H.; Chen, J. Y.; Chen, L.; Cheng, J.; Cherney, Michael G.; Chikanian, A.; Choi, K. E.; Christie, W.; Chung, P.; Codrington, M. J M; Corliss, R.; Cramer, J. G.; Crawford, H. J.; Cui, X.; Davila Leyva, A.; De Silva, L. C.; Debbe, R. R.; Dedovich, T. G.; Deng, J.; Derevschikov, A. A.; Derradi De Souza, R.; Didenko, L.; Djawotho, P.; Dong, X.; Drachenberg, J. L.; Draper, J. E.; Du, C. M.; Dunlop, J. C.; Efimov, L. G.; Elnimr, M.; Engelage, J.; Eppley, G.; Estienne, M.; Eun, L.; Evdokimov, O.; Fatemi, R.; Fedorisin, J.; Fersch, R. G.; Filip, P.; Finch, E.; Fine, V.; Fisyak, Y.; Gagliardi, C. A.; Gangadharan, D. R.; Geurts, F.; Ghosh, P.; Gorbunov, Y. N.; Gordon, A.; Grebenyuk, O. G.; Grosnick, D.; Gupta, A.; Gupta, S.; Guryn, W.; Haag, B.; Hajkova, O.; Hamed, A.; Han, L. X.; Harris, J. W.; Hays-Wehle, J. P.; Heinz, M.; Heppelmann, S.; Hirsch, A.; Hoffmann, G. W.; Hofman, D. J.; Huang, B.; Huang, H. Z.; Humanic, T. J.; Huo, L.; Igo, G.; Jacobs, W. W.; Jena, C.; Jin, F.; Joseph, J.; Judd, E. G.; Kabana, S.; Kang, K.; Kapitan, J.; Kauder, K.; Ke, H. W.; Keane, D.; Kechechyan, A.; Kettler, D.; Kikola, D. P.; Kiryluk, J.; Kisiel, A.; Kizka, V.; Klein, S. R.; Knospe, A. G.; Koetke, D. D.; Kollegger, T.; Konzer, J.; Koralt, I.; Koroleva, L.; Korsch, W.; Kotchenda, L.; Kouchpil, V.; Kravtsov, P.; Krueger, K.; Krus, M.; Kumar, L.; Lamont, M. A C; Landgraf, J. M.; Lapointe, S.; Lauret, J.; Lebedev, A.; Lednicky, R.; Lee, J. H.; Leight, W.; Levine, M. J.; Li, C.; Li, L.; Li, N.; Li, W.; Li, X.; Li, X.; Li, Y.; Li, Z. M.; Lima, L. M.; Lisa, M. A.; Liu, F.; Liu, H.; Liu, J.; Ljubicic, T.; Llope, W. J.; Longacre, R. S.; Lu, Y.; Lukashov, E. V.; Luo, X.; Ma, G. L.; Ma, Y. G.; Mahapatra, D. P.; Majka, R.; Mall, O. I.; Manweiler, R.; Margetis, S.; Markert, C.; Masui, H.; Matis, H. S.; McDonald, D.; McShane, T. S.; Meschanin, A.; Milner, R.; Minaev, N. G.; Mioduszewski, S.; Mitrovski, M. K.; Mohammed, Y.; Mohanty, B.; Mondal, M. M.; Morozov, B.; Morozov, D. A.; Munhoz, M. G.; Mustafa, M. K.; Naglis, M.; Nandi, B. K.; Nayak, T. K.; Nogach, L. V.; Nurushev, S. B.; Odyniec, G.; Ogawa, A.; Oh, K.; Ohlson, A.; Okorokov, V.; Oldag, E. W.; Oliveira, R. A N; Olson, D.; Pachr, M.; Page, B. S.; Pal, S. K.; Pandit, Y.; Panebratsev, Y.; Pawlak, T.; Pei, H.; Peitzmann, T.; Perkins, C.; Peryt, W.; Pile, P.; Planinic, M.; Pluta, J.; Plyku, D.; Poljak, N.; Porter, J.; Poskanzer, A. M.; Powell, C. B.; Prindle, D.; Pruneau, C.; Pruthi, N. K.; Pujahari, P. R.; Putschke, J.; Qiu, H.; Raniwala, R.; Raniwala, S.; Redwine, R.; Reed, R.; Ritter, H. G.; Roberts, J. B.; Rogachevskiy, O. V.; Romero, J. L.; Ruan, L.; Rusnak, J.; Sahoo, N. R.; Sakrejda, I.; Salur, S.; Sandweiss, J.; Sangaline, E.; Sarkar, A.; Schambach, J.; Scharenberg, R. P.; Schaub, J.; Schmah, A. M.; Schmitz, N.; Schuster, T. R.; Seele, J.; Seger, Janet E.; Selyuzhenkov, I.; Seyboth, P.; Shah, N.; Shahaliev, E.; Shao, M.; Sharma, B.; Sharma, M.; Shi, S. S.; Shou, Q. Y.; Sichtermann, E. P.; Simon, F.; Singaraju, R. N.; Skoby, M. J.; Smirnov, N.; Solanki, D.; Sorensen, P.; De Souza, U. G.; Spinka, H. M.; Srivastava, B.; Stanislaus, T. D S; Steadman, S. G.; Stevens, J. R.; Stock, R.; Strikhanov, M.; Stringfellow, B.; Suaide, A. A P; Suarez, M. C.; Subba, N. L.; Sumbera, M.; Sun, X. M.; Sun, Y.; Sun, Z.; Surrow, B.; Svirida, D. N.; Symons, T. J M; Szanto De Toledo, A.; Takahashi, J.; Tang, A. H.; Tang, Z.; Tarini, L. H.; Tarnowsky, T.; Thein, D.; Thomas, J. H.; Tian, J.; Timmins, A. R.; Tlusty, D.; Tokarev, M.; Trentalange, S.; Tribble, R. E.; Tribedy, P.; Trzeciak, B. A.; Tsai, O. D.; Ullrich, T.; Underwood, D. G.; Van Buren, G.; Van Nieuwenhuizen, G.; Vanfossen, J. A.; Varma, R.; Vasconcelos, G. M S; Vasiliev, A. N.; Videbæk, F.; Viyogi, Y. P.; Vokal, S.; Voloshin, S. A.; Wada, M.; Walker, M.; Wang, F.; Wang, G.; Wang, H.; Wang, J. S.; Wang, Q.; Wang, X. L.; Wang, Y.; Webb, G.; Webb, J. C.; Westfall, G. D.; Whitten, C.; Wieman, H.; Wissink, S. W.; Witt, R.; Witzke, W.; Wu, Y. F.; Xiao, Z.; Xie, W.; Xu, H.; Xu, N.; Xu, Q. H.; Xu, W.; Xu, Y.; Xu, Z.; Xue, L.; Yang, Y.; Yang, Y.; Yepes, P.; Yip, K.; Yoo, I. K.; Zawisza, M.; Zbroszczyk, H.; Zhan, W.; Zhang, J. B.; Zhang, S.; Zhang, W. M.; Zhang, X. P.; Zhang, Y.; Zhang, Z. P.; Zhao, F.; Zhao, J.; Zhong, C.; Zhu, X.; Zhu, Y. H.; Zoulkarneeva, Y.

In: Physical Review C - Nuclear Physics, Vol. 86, No. 1, 014904, 11.07.2012.

Research output: Contribution to journalArticle

Agakishiev, G, Aggarwal, MM, Ahammed, Z, Alakhverdyants, AV, Alekseev, I, Alford, J, Anderson, BD, Anson, CD, Arkhipkin, D, Averichev, GS, Balewski, J, Beavis, DR, Behera, NK, Bellwied, R, Betancourt, MJ, Betts, RR, Bhasin, A, Bhati, AK, Bichsel, H, Bielcik, J, Bielcikova, J, Bland, LC, Bordyuzhin, IG, Borowski, W, Bouchet, J, Braidot, E, Brandin, AV, Bridgeman, A, Brovko, SG, Bruna, E, Bueltmann, S, Bunzarov, I, Burton, TP, Cai, XZ, Caines, H, Calderón De La Barca Sánchez, M, Cebra, D, Cendejas, R, Cervantes, MC, Chaloupka, P, Chattopadhyay, S, Chen, HF, Chen, JH, Chen, JY, Chen, L, Cheng, J, Cherney, MG, Chikanian, A, Choi, KE, Christie, W, Chung, P, Codrington, MJM, Corliss, R, Cramer, JG, Crawford, HJ, Cui, X, Davila Leyva, A, De Silva, LC, Debbe, RR, Dedovich, TG, Deng, J, Derevschikov, AA, Derradi De Souza, R, Didenko, L, Djawotho, P, Dong, X, Drachenberg, JL, Draper, JE, Du, CM, Dunlop, JC, Efimov, LG, Elnimr, M, Engelage, J, Eppley, G, Estienne, M, Eun, L, Evdokimov, O, Fatemi, R, Fedorisin, J, Fersch, RG, Filip, P, Finch, E, Fine, V, Fisyak, Y, Gagliardi, CA, Gangadharan, DR, Geurts, F, Ghosh, P, Gorbunov, YN, Gordon, A, Grebenyuk, OG, Grosnick, D, Gupta, A, Gupta, S, Guryn, W, Haag, B, Hajkova, O, Hamed, A, Han, LX, Harris, JW, Hays-Wehle, JP, Heinz, M, Heppelmann, S, Hirsch, A, Hoffmann, GW, Hofman, DJ, Huang, B, Huang, HZ, Humanic, TJ, Huo, L, Igo, G, Jacobs, WW, Jena, C, Jin, F, Joseph, J, Judd, EG, Kabana, S, Kang, K, Kapitan, J, Kauder, K, Ke, HW, Keane, D, Kechechyan, A, Kettler, D, Kikola, DP, Kiryluk, J, Kisiel, A, Kizka, V, Klein, SR, Knospe, AG, Koetke, DD, Kollegger, T, Konzer, J, Koralt, I, Koroleva, L, Korsch, W, Kotchenda, L, Kouchpil, V, Kravtsov, P, Krueger, K, Krus, M, Kumar, L, Lamont, MAC, Landgraf, JM, Lapointe, S, Lauret, J, Lebedev, A, Lednicky, R, Lee, JH, Leight, W, Levine, MJ, Li, C, Li, L, Li, N, Li, W, Li, X, Li, X, Li, Y, Li, ZM, Lima, LM, Lisa, MA, Liu, F, Liu, H, Liu, J, Ljubicic, T, Llope, WJ, Longacre, RS, Lu, Y, Lukashov, EV, Luo, X, Ma, GL, Ma, YG, Mahapatra, DP, Majka, R, Mall, OI, Manweiler, R, Margetis, S, Markert, C, Masui, H, Matis, HS, McDonald, D, McShane, TS, Meschanin, A, Milner, R, Minaev, NG, Mioduszewski, S, Mitrovski, MK, Mohammed, Y, Mohanty, B, Mondal, MM, Morozov, B, Morozov, DA, Munhoz, MG, Mustafa, MK, Naglis, M, Nandi, BK, Nayak, TK, Nogach, LV, Nurushev, SB, Odyniec, G, Ogawa, A, Oh, K, Ohlson, A, Okorokov, V, Oldag, EW, Oliveira, RAN, Olson, D, Pachr, M, Page, BS, Pal, SK, Pandit, Y, Panebratsev, Y, Pawlak, T, Pei, H, Peitzmann, T, Perkins, C, Peryt, W, Pile, P, Planinic, M, Pluta, J, Plyku, D, Poljak, N, Porter, J, Poskanzer, AM, Powell, CB, Prindle, D, Pruneau, C, Pruthi, NK, Pujahari, PR, Putschke, J, Qiu, H, Raniwala, R, Raniwala, S, Redwine, R, Reed, R, Ritter, HG, Roberts, JB, Rogachevskiy, OV, Romero, JL, Ruan, L, Rusnak, J, Sahoo, NR, Sakrejda, I, Salur, S, Sandweiss, J, Sangaline, E, Sarkar, A, Schambach, J, Scharenberg, RP, Schaub, J, Schmah, AM, Schmitz, N, Schuster, TR, Seele, J, Seger, JE, Selyuzhenkov, I, Seyboth, P, Shah, N, Shahaliev, E, Shao, M, Sharma, B, Sharma, M, Shi, SS, Shou, QY, Sichtermann, EP, Simon, F, Singaraju, RN, Skoby, MJ, Smirnov, N, Solanki, D, Sorensen, P, De Souza, UG, Spinka, HM, Srivastava, B, Stanislaus, TDS, Steadman, SG, 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, Szanto De Toledo, A, Takahashi, J, Tang, AH, Tang, Z, Tarini, LH, Tarnowsky, T, Thein, D, Thomas, JH, Tian, J, Timmins, AR, Tlusty, D, Tokarev, M, Trentalange, S, Tribble, RE, Tribedy, P, Trzeciak, BA, Tsai, OD, Ullrich, T, Underwood, DG, Van Buren, G, Van Nieuwenhuizen, G, Vanfossen, JA, Varma, R, Vasconcelos, GMS, Vasiliev, AN, Videbæk, 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, Wissink, SW, Witt, R, Witzke, W, Wu, YF, Xiao, Z, Xie, W, Xu, H, Xu, N, Xu, QH, Xu, W, Xu, Y, Xu, Z, Xue, L, Yang, Y, Yang, Y, Yepes, P, Yip, K, Yoo, IK, Zawisza, M, Zbroszczyk, H, Zhan, W, Zhang, JB, Zhang, S, Zhang, WM, Zhang, XP, Zhang, Y, Zhang, ZP, Zhao, F, Zhao, J, Zhong, C, Zhu, X, Zhu, YH & Zoulkarneeva, Y 2012, 'Energy and system-size dependence of two- and four-particle v 2 measurements in heavy-ion collisions at √s NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow', Physical Review C - Nuclear Physics, vol. 86, no. 1, 014904. https://doi.org/10.1103/PhysRevC.86.014904
Agakishiev, G. ; Aggarwal, M. M. ; Ahammed, Z. ; Alakhverdyants, A. V. ; Alekseev, I. ; Alford, J. ; Anderson, B. D. ; Anson, C. D. ; Arkhipkin, D. ; Averichev, G. S. ; Balewski, J. ; Beavis, D. R. ; Behera, N. K. ; Bellwied, R. ; Betancourt, M. J. ; Betts, R. R. ; Bhasin, A. ; Bhati, A. K. ; Bichsel, H. ; Bielcik, J. ; Bielcikova, J. ; Bland, L. C. ; Bordyuzhin, I. G. ; Borowski, W. ; Bouchet, J. ; Braidot, E. ; Brandin, A. V. ; Bridgeman, A. ; Brovko, S. G. ; Bruna, E. ; Bueltmann, S. ; Bunzarov, I. ; Burton, T. P. ; Cai, X. Z. ; Caines, H. ; Calderón De La Barca Sánchez, M. ; Cebra, D. ; Cendejas, R. ; Cervantes, M. C. ; Chaloupka, P. ; Chattopadhyay, S. ; Chen, H. F. ; Chen, J. H. ; Chen, J. Y. ; Chen, L. ; Cheng, J. ; Cherney, Michael G. ; Chikanian, A. ; Choi, K. E. ; Christie, W. ; Chung, P. ; Codrington, M. J M ; Corliss, R. ; Cramer, J. G. ; Crawford, H. J. ; Cui, X. ; Davila Leyva, A. ; De Silva, L. C. ; Debbe, R. R. ; Dedovich, T. G. ; Deng, J. ; Derevschikov, A. A. ; Derradi De Souza, R. ; Didenko, L. ; Djawotho, P. ; Dong, X. ; Drachenberg, J. L. ; Draper, J. E. ; Du, C. M. ; Dunlop, J. C. ; Efimov, L. G. ; Elnimr, M. ; Engelage, J. ; Eppley, G. ; Estienne, M. ; Eun, L. ; Evdokimov, O. ; Fatemi, R. ; Fedorisin, J. ; Fersch, R. G. ; Filip, P. ; Finch, E. ; Fine, V. ; Fisyak, Y. ; Gagliardi, C. A. ; Gangadharan, D. R. ; Geurts, F. ; Ghosh, P. ; Gorbunov, Y. N. ; Gordon, A. ; Grebenyuk, O. G. ; Grosnick, D. ; Gupta, A. ; Gupta, S. ; Guryn, W. ; Haag, B. ; Hajkova, O. ; Hamed, A. ; Han, L. X. ; Harris, J. W. ; Hays-Wehle, J. P. ; Heinz, M. ; Heppelmann, S. ; Hirsch, A. ; Hoffmann, G. W. ; Hofman, D. J. ; Huang, B. ; Huang, H. Z. ; Humanic, T. J. ; Huo, L. ; Igo, G. ; Jacobs, W. W. ; Jena, C. ; Jin, F. ; Joseph, J. ; Judd, E. G. ; Kabana, S. ; Kang, K. ; Kapitan, J. ; Kauder, K. ; Ke, H. W. ; Keane, D. ; Kechechyan, A. ; Kettler, D. ; Kikola, D. P. ; Kiryluk, J. ; Kisiel, A. ; Kizka, V. ; Klein, S. R. ; Knospe, A. G. ; Koetke, D. D. ; Kollegger, T. ; Konzer, J. ; Koralt, I. ; Koroleva, L. ; Korsch, W. ; Kotchenda, L. ; Kouchpil, V. ; Kravtsov, P. ; Krueger, K. ; Krus, M. ; Kumar, L. ; Lamont, M. A C ; Landgraf, J. M. ; Lapointe, S. ; Lauret, J. ; Lebedev, A. ; Lednicky, R. ; Lee, J. H. ; Leight, W. ; Levine, M. J. ; Li, C. ; Li, L. ; Li, N. ; Li, W. ; Li, X. ; Li, X. ; Li, Y. ; Li, Z. M. ; Lima, L. M. ; Lisa, M. A. ; Liu, F. ; Liu, H. ; Liu, J. ; Ljubicic, T. ; Llope, W. J. ; Longacre, R. S. ; Lu, Y. ; Lukashov, E. V. ; Luo, X. ; Ma, G. L. ; Ma, Y. G. ; Mahapatra, D. P. ; Majka, R. ; Mall, O. I. ; Manweiler, R. ; Margetis, S. ; Markert, C. ; Masui, H. ; Matis, H. S. ; McDonald, D. ; McShane, T. S. ; Meschanin, A. ; Milner, R. ; Minaev, N. G. ; Mioduszewski, S. ; Mitrovski, M. K. ; Mohammed, Y. ; Mohanty, B. ; Mondal, M. M. ; Morozov, B. ; Morozov, D. A. ; Munhoz, M. G. ; Mustafa, M. K. ; Naglis, M. ; Nandi, B. K. ; Nayak, T. K. ; Nogach, L. V. ; Nurushev, S. B. ; Odyniec, G. ; Ogawa, A. ; Oh, K. ; Ohlson, A. ; Okorokov, V. ; Oldag, E. W. ; Oliveira, R. A N ; Olson, D. ; Pachr, M. ; Page, B. S. ; Pal, S. K. ; Pandit, Y. ; Panebratsev, Y. ; Pawlak, T. ; Pei, H. ; Peitzmann, T. ; Perkins, C. ; Peryt, W. ; Pile, P. ; Planinic, M. ; Pluta, J. ; Plyku, D. ; Poljak, N. ; Porter, J. ; Poskanzer, A. M. ; Powell, C. B. ; Prindle, D. ; Pruneau, C. ; Pruthi, N. K. ; Pujahari, P. R. ; Putschke, J. ; Qiu, H. ; Raniwala, R. ; Raniwala, S. ; Redwine, R. ; Reed, R. ; Ritter, H. G. ; Roberts, J. B. ; Rogachevskiy, O. V. ; Romero, J. L. ; Ruan, L. ; Rusnak, J. ; Sahoo, N. R. ; Sakrejda, I. ; Salur, S. ; Sandweiss, J. ; Sangaline, E. ; Sarkar, A. ; Schambach, J. ; Scharenberg, R. P. ; Schaub, J. ; Schmah, A. M. ; Schmitz, N. ; Schuster, T. R. ; Seele, J. ; Seger, Janet E. ; Selyuzhenkov, I. ; Seyboth, P. ; Shah, N. ; Shahaliev, E. ; Shao, M. ; Sharma, B. ; Sharma, M. ; Shi, S. S. ; Shou, Q. Y. ; Sichtermann, E. P. ; Simon, F. ; Singaraju, R. N. ; Skoby, M. J. ; Smirnov, N. ; Solanki, D. ; Sorensen, P. ; De Souza, U. G. ; Spinka, H. M. ; Srivastava, B. ; Stanislaus, T. D S ; Steadman, S. G. ; Stevens, J. R. ; Stock, R. ; Strikhanov, M. ; Stringfellow, B. ; Suaide, A. A P ; Suarez, M. C. ; Subba, N. L. ; Sumbera, M. ; Sun, X. M. ; Sun, Y. ; Sun, Z. ; Surrow, B. ; Svirida, D. N. ; Symons, T. J M ; Szanto De Toledo, A. ; Takahashi, J. ; Tang, A. H. ; Tang, Z. ; Tarini, L. H. ; Tarnowsky, T. ; Thein, D. ; Thomas, J. H. ; Tian, J. ; Timmins, A. R. ; Tlusty, D. ; Tokarev, M. ; Trentalange, S. ; Tribble, R. E. ; Tribedy, P. ; Trzeciak, B. A. ; Tsai, O. D. ; Ullrich, T. ; Underwood, D. G. ; Van Buren, G. ; Van Nieuwenhuizen, G. ; Vanfossen, J. A. ; Varma, R. ; Vasconcelos, G. M S ; Vasiliev, A. N. ; Videbæk, F. ; Viyogi, Y. P. ; Vokal, S. ; Voloshin, S. A. ; Wada, M. ; Walker, M. ; Wang, F. ; Wang, G. ; Wang, H. ; Wang, J. S. ; Wang, Q. ; Wang, X. L. ; Wang, Y. ; Webb, G. ; Webb, J. C. ; Westfall, G. D. ; Whitten, C. ; Wieman, H. ; Wissink, S. W. ; Witt, R. ; Witzke, W. ; Wu, Y. F. ; Xiao, Z. ; Xie, W. ; Xu, H. ; Xu, N. ; Xu, Q. H. ; Xu, W. ; Xu, Y. ; Xu, Z. ; Xue, L. ; Yang, Y. ; Yang, Y. ; Yepes, P. ; Yip, K. ; Yoo, I. K. ; Zawisza, M. ; Zbroszczyk, H. ; Zhan, W. ; Zhang, J. B. ; Zhang, S. ; Zhang, W. M. ; Zhang, X. P. ; Zhang, Y. ; Zhang, Z. P. ; Zhao, F. ; Zhao, J. ; Zhong, C. ; Zhu, X. ; Zhu, Y. H. ; Zoulkarneeva, Y. / Energy and system-size dependence of two- and four-particle v 2 measurements in heavy-ion collisions at √s NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow. In: Physical Review C - Nuclear Physics. 2012 ; Vol. 86, No. 1.
@article{b6cc9075f1e949618fda81ced49b32fb,
title = "Energy and system-size dependence of two- and four-particle v 2 measurements in heavy-ion collisions at √s NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow",
abstract = "We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants v 2 (v 2{2} and v 2{4}) for Au+Au and Cu+Cu collisions at center-of-mass energies √sN N=62.4 and 200 GeV. The difference between v 2 {2 }2 and v 2 {4 }2 is related to v 2 fluctuations (σv 2) and nonflow (δ 2). We present an upper limit to σv 2/v 2. Following the assumption that eccentricity fluctuations σ dominate v 2 fluctuations σv 2v 2≈σ we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with v 2{2} and v 2{4}. We also present results on the ratio of v 2 to eccentricity.",
author = "G. Agakishiev and Aggarwal, {M. M.} and Z. Ahammed and Alakhverdyants, {A. V.} and I. Alekseev and J. Alford and Anderson, {B. D.} and Anson, {C. D.} and D. Arkhipkin and Averichev, {G. S.} and J. Balewski and Beavis, {D. R.} and Behera, {N. K.} and R. Bellwied and Betancourt, {M. J.} and Betts, {R. R.} and A. Bhasin and Bhati, {A. K.} and H. Bichsel and J. Bielcik and J. Bielcikova and Bland, {L. C.} and Bordyuzhin, {I. G.} and W. Borowski and J. Bouchet and E. Braidot and Brandin, {A. V.} and A. Bridgeman and Brovko, {S. G.} and E. Bruna and S. Bueltmann and I. Bunzarov and Burton, {T. P.} and Cai, {X. Z.} and H. Caines and {Calder{\'o}n De La Barca S{\'a}nchez}, M. and D. Cebra and R. Cendejas and Cervantes, {M. C.} and P. Chaloupka and S. Chattopadhyay and Chen, {H. F.} and Chen, {J. H.} and Chen, {J. Y.} and L. Chen and J. Cheng and Cherney, {Michael G.} and A. Chikanian and Choi, {K. E.} and W. Christie and P. Chung and Codrington, {M. J M} and R. Corliss and Cramer, {J. G.} and Crawford, {H. J.} and X. Cui and {Davila Leyva}, A. and {De Silva}, {L. C.} and Debbe, {R. R.} and Dedovich, {T. G.} and J. Deng and Derevschikov, {A. A.} and {Derradi De Souza}, R. and L. Didenko and P. Djawotho and X. Dong and Drachenberg, {J. L.} and Draper, {J. E.} and Du, {C. M.} and Dunlop, {J. C.} and Efimov, {L. G.} and M. Elnimr and J. Engelage and G. Eppley and M. Estienne and L. Eun and O. Evdokimov and R. Fatemi and J. Fedorisin and Fersch, {R. G.} and P. Filip and E. Finch and V. Fine and Y. Fisyak and Gagliardi, {C. A.} and Gangadharan, {D. R.} and F. Geurts and P. Ghosh and Gorbunov, {Y. N.} and A. Gordon and Grebenyuk, {O. G.} and D. Grosnick and A. Gupta and S. Gupta and W. Guryn and B. Haag and O. Hajkova and A. Hamed and Han, {L. X.} and Harris, {J. W.} and Hays-Wehle, {J. P.} and M. Heinz and S. Heppelmann and A. Hirsch and Hoffmann, {G. W.} and Hofman, {D. J.} and B. Huang and Huang, {H. Z.} and Humanic, {T. J.} and L. Huo and G. Igo and Jacobs, {W. W.} and C. Jena and F. Jin and J. Joseph and Judd, {E. G.} and S. Kabana and K. Kang and J. Kapitan and K. Kauder and Ke, {H. W.} and D. Keane and A. Kechechyan and D. Kettler and Kikola, {D. P.} and J. Kiryluk and A. Kisiel and V. Kizka and Klein, {S. R.} and Knospe, {A. G.} and Koetke, {D. D.} and T. Kollegger and J. Konzer and I. Koralt and L. Koroleva and W. Korsch and L. Kotchenda and V. Kouchpil and P. Kravtsov and K. Krueger and M. Krus and L. Kumar and Lamont, {M. A C} and Landgraf, {J. M.} and S. Lapointe and J. Lauret and A. Lebedev and R. Lednicky and Lee, {J. H.} and W. Leight and Levine, {M. J.} and C. Li and L. Li and N. Li and W. Li and X. Li and X. Li and Y. Li and Li, {Z. M.} and Lima, {L. M.} and Lisa, {M. A.} and F. Liu and H. Liu and J. Liu and T. Ljubicic and Llope, {W. J.} and Longacre, {R. S.} and Y. Lu and Lukashov, {E. V.} and X. Luo and Ma, {G. L.} and Ma, {Y. G.} and Mahapatra, {D. P.} and R. Majka and Mall, {O. I.} and R. Manweiler and S. Margetis and C. Markert and H. Masui and Matis, {H. S.} and D. McDonald and McShane, {T. S.} and A. Meschanin and R. Milner and Minaev, {N. G.} and S. Mioduszewski and Mitrovski, {M. K.} and Y. Mohammed and B. Mohanty and Mondal, {M. M.} and B. Morozov and Morozov, {D. A.} and Munhoz, {M. G.} and Mustafa, {M. K.} and M. Naglis and Nandi, {B. K.} and Nayak, {T. K.} and Nogach, {L. V.} and Nurushev, {S. B.} and G. Odyniec and A. Ogawa and K. Oh and A. Ohlson and V. Okorokov and Oldag, {E. W.} and Oliveira, {R. A N} and D. Olson and M. Pachr and Page, {B. S.} and Pal, {S. K.} and Y. Pandit and Y. Panebratsev and T. Pawlak and H. Pei and T. Peitzmann and C. Perkins and W. Peryt and P. Pile and M. Planinic and J. Pluta and D. Plyku and N. Poljak and J. Porter and Poskanzer, {A. M.} and Powell, {C. B.} and D. Prindle and C. Pruneau and Pruthi, {N. K.} and Pujahari, {P. R.} and J. Putschke and H. Qiu and R. Raniwala and S. Raniwala and R. Redwine and R. Reed and Ritter, {H. G.} and Roberts, {J. B.} and Rogachevskiy, {O. V.} and Romero, {J. L.} and L. Ruan and J. Rusnak and Sahoo, {N. R.} and I. Sakrejda and S. Salur and J. Sandweiss and E. Sangaline and A. Sarkar and J. Schambach and Scharenberg, {R. P.} and J. Schaub and Schmah, {A. M.} and N. Schmitz and Schuster, {T. R.} and J. Seele and Seger, {Janet E.} and I. Selyuzhenkov and P. Seyboth and N. Shah and E. Shahaliev and M. Shao and B. Sharma and M. Sharma and Shi, {S. S.} and Shou, {Q. Y.} and Sichtermann, {E. P.} and F. Simon and Singaraju, {R. N.} and Skoby, {M. J.} and N. Smirnov and D. Solanki and P. Sorensen and {De Souza}, {U. G.} and Spinka, {H. M.} and B. Srivastava and Stanislaus, {T. D S} and Steadman, {S. G.} and Stevens, {J. R.} and R. Stock and M. Strikhanov and B. Stringfellow and Suaide, {A. A P} and Suarez, {M. C.} and Subba, {N. L.} and M. Sumbera and Sun, {X. M.} and Y. Sun and Z. Sun and B. Surrow and Svirida, {D. N.} and Symons, {T. J M} and {Szanto De Toledo}, A. and J. Takahashi and Tang, {A. H.} and Z. Tang and Tarini, {L. H.} and T. Tarnowsky and D. Thein and Thomas, {J. H.} and J. Tian and Timmins, {A. R.} and D. Tlusty and M. Tokarev and S. Trentalange and Tribble, {R. E.} and P. Tribedy and Trzeciak, {B. A.} and Tsai, {O. D.} and T. Ullrich and Underwood, {D. G.} and {Van Buren}, G. and {Van Nieuwenhuizen}, G. and Vanfossen, {J. A.} and R. Varma and Vasconcelos, {G. M S} and Vasiliev, {A. N.} and F. Videb{\ae}k and Viyogi, {Y. P.} and S. Vokal and Voloshin, {S. A.} and M. Wada and M. Walker and F. Wang and G. Wang and H. Wang and Wang, {J. S.} and Q. Wang and Wang, {X. L.} and Y. Wang and G. Webb and Webb, {J. C.} and Westfall, {G. D.} and C. Whitten and H. Wieman and Wissink, {S. W.} and R. Witt and W. Witzke and Wu, {Y. F.} and Z. Xiao and W. Xie and H. Xu and N. Xu and Xu, {Q. H.} and W. Xu and Y. Xu and Z. Xu and L. Xue and Y. Yang and Y. Yang and P. Yepes and K. Yip and Yoo, {I. K.} and M. Zawisza and H. Zbroszczyk and W. Zhan and Zhang, {J. B.} and S. Zhang and Zhang, {W. M.} and Zhang, {X. P.} and Y. Zhang and Zhang, {Z. P.} and F. Zhao and J. Zhao and C. Zhong and X. Zhu and Zhu, {Y. H.} and Y. Zoulkarneeva",
year = "2012",
month = "7",
day = "11",
doi = "10.1103/PhysRevC.86.014904",
language = "English",
volume = "86",
journal = "Physical Review C - Nuclear Physics",
issn = "0556-2813",
publisher = "American Physical Society",
number = "1",

}

TY - JOUR

T1 - Energy and system-size dependence of two- and four-particle v 2 measurements in heavy-ion collisions at √s NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow

AU - Agakishiev, G.

AU - Aggarwal, M. M.

AU - Ahammed, Z.

AU - Alakhverdyants, A. V.

AU - Alekseev, I.

AU - Alford, J.

AU - Anderson, B. D.

AU - Anson, C. D.

AU - Arkhipkin, D.

AU - Averichev, G. S.

AU - Balewski, J.

AU - Beavis, D. R.

AU - Behera, N. K.

AU - Bellwied, R.

AU - Betancourt, M. J.

AU - Betts, R. R.

AU - Bhasin, A.

AU - Bhati, A. K.

AU - Bichsel, H.

AU - Bielcik, J.

AU - Bielcikova, J.

AU - Bland, L. C.

AU - Bordyuzhin, I. G.

AU - Borowski, W.

AU - Bouchet, J.

AU - Braidot, E.

AU - Brandin, A. V.

AU - Bridgeman, A.

AU - Brovko, S. G.

AU - Bruna, E.

AU - Bueltmann, S.

AU - Bunzarov, I.

AU - Burton, T. P.

AU - Cai, X. Z.

AU - Caines, H.

AU - Calderón De La Barca Sánchez, M.

AU - Cebra, D.

AU - Cendejas, R.

AU - Cervantes, M. C.

AU - Chaloupka, P.

AU - Chattopadhyay, S.

AU - Chen, H. F.

AU - Chen, J. H.

AU - Chen, J. Y.

AU - Chen, L.

AU - Cheng, J.

AU - Cherney, Michael G.

AU - Chikanian, A.

AU - Choi, K. E.

AU - Christie, W.

AU - Chung, P.

AU - Codrington, M. J M

AU - Corliss, R.

AU - Cramer, J. G.

AU - Crawford, H. J.

AU - Cui, X.

AU - Davila Leyva, A.

AU - De Silva, L. C.

AU - Debbe, R. R.

AU - Dedovich, T. G.

AU - Deng, J.

AU - Derevschikov, A. A.

AU - Derradi De Souza, R.

AU - Didenko, L.

AU - Djawotho, P.

AU - Dong, X.

AU - Drachenberg, J. L.

AU - Draper, J. E.

AU - Du, C. M.

AU - Dunlop, J. C.

AU - Efimov, L. G.

AU - Elnimr, M.

AU - Engelage, J.

AU - Eppley, G.

AU - Estienne, M.

AU - Eun, L.

AU - Evdokimov, O.

AU - Fatemi, R.

AU - Fedorisin, J.

AU - Fersch, R. G.

AU - Filip, P.

AU - Finch, E.

AU - Fine, V.

AU - Fisyak, Y.

AU - Gagliardi, C. A.

AU - Gangadharan, D. R.

AU - Geurts, F.

AU - Ghosh, P.

AU - Gorbunov, Y. N.

AU - Gordon, A.

AU - Grebenyuk, O. G.

AU - Grosnick, D.

AU - Gupta, A.

AU - Gupta, S.

AU - Guryn, W.

AU - Haag, B.

AU - Hajkova, O.

AU - Hamed, A.

AU - Han, L. X.

AU - Harris, J. W.

AU - Hays-Wehle, J. P.

AU - Heinz, M.

AU - Heppelmann, S.

AU - Hirsch, A.

AU - Hoffmann, G. W.

AU - Hofman, D. J.

AU - Huang, B.

AU - Huang, H. Z.

AU - Humanic, T. J.

AU - Huo, L.

AU - Igo, G.

AU - Jacobs, W. W.

AU - Jena, C.

AU - Jin, F.

AU - Joseph, J.

AU - Judd, E. G.

AU - Kabana, S.

AU - Kang, K.

AU - Kapitan, J.

AU - Kauder, K.

AU - Ke, H. W.

AU - Keane, D.

AU - Kechechyan, A.

AU - Kettler, D.

AU - Kikola, D. P.

AU - Kiryluk, J.

AU - Kisiel, A.

AU - Kizka, V.

AU - Klein, S. R.

AU - Knospe, A. G.

AU - Koetke, D. D.

AU - Kollegger, T.

AU - Konzer, J.

AU - Koralt, I.

AU - Koroleva, L.

AU - Korsch, W.

AU - Kotchenda, L.

AU - Kouchpil, V.

AU - Kravtsov, P.

AU - Krueger, K.

AU - Krus, M.

AU - Kumar, L.

AU - Lamont, M. A C

AU - Landgraf, J. M.

AU - Lapointe, S.

AU - Lauret, J.

AU - Lebedev, A.

AU - Lednicky, R.

AU - Lee, J. H.

AU - Leight, W.

AU - Levine, M. J.

AU - Li, C.

AU - Li, L.

AU - Li, N.

AU - Li, W.

AU - Li, X.

AU - Li, X.

AU - Li, Y.

AU - Li, Z. M.

AU - Lima, L. M.

AU - Lisa, M. A.

AU - Liu, F.

AU - Liu, H.

AU - Liu, J.

AU - Ljubicic, T.

AU - Llope, W. J.

AU - Longacre, R. S.

AU - Lu, Y.

AU - Lukashov, E. V.

AU - Luo, X.

AU - Ma, G. L.

AU - Ma, Y. G.

AU - Mahapatra, D. P.

AU - Majka, R.

AU - Mall, O. I.

AU - Manweiler, R.

AU - Margetis, S.

AU - Markert, C.

AU - Masui, H.

AU - Matis, H. S.

AU - McDonald, D.

AU - McShane, T. S.

AU - Meschanin, A.

AU - Milner, R.

AU - Minaev, N. G.

AU - Mioduszewski, S.

AU - Mitrovski, M. K.

AU - Mohammed, Y.

AU - Mohanty, B.

AU - Mondal, M. M.

AU - Morozov, B.

AU - Morozov, D. A.

AU - Munhoz, M. G.

AU - Mustafa, M. K.

AU - Naglis, M.

AU - Nandi, B. K.

AU - Nayak, T. K.

AU - Nogach, L. V.

AU - Nurushev, S. B.

AU - Odyniec, G.

AU - Ogawa, A.

AU - Oh, K.

AU - Ohlson, A.

AU - Okorokov, V.

AU - Oldag, E. W.

AU - Oliveira, R. A N

AU - Olson, D.

AU - Pachr, M.

AU - Page, B. S.

AU - Pal, S. K.

AU - Pandit, Y.

AU - Panebratsev, Y.

AU - Pawlak, T.

AU - Pei, H.

AU - Peitzmann, T.

AU - Perkins, C.

AU - Peryt, W.

AU - Pile, P.

AU - Planinic, M.

AU - Pluta, J.

AU - Plyku, D.

AU - Poljak, N.

AU - Porter, J.

AU - Poskanzer, A. M.

AU - Powell, C. B.

AU - Prindle, D.

AU - Pruneau, C.

AU - Pruthi, N. K.

AU - Pujahari, P. R.

AU - Putschke, J.

AU - Qiu, H.

AU - Raniwala, R.

AU - Raniwala, S.

AU - Redwine, R.

AU - Reed, R.

AU - Ritter, H. G.

AU - Roberts, J. B.

AU - Rogachevskiy, O. V.

AU - Romero, J. L.

AU - Ruan, L.

AU - Rusnak, J.

AU - Sahoo, N. R.

AU - Sakrejda, I.

AU - Salur, S.

AU - Sandweiss, J.

AU - Sangaline, E.

AU - Sarkar, A.

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PY - 2012/7/11

Y1 - 2012/7/11

N2 - We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants v 2 (v 2{2} and v 2{4}) for Au+Au and Cu+Cu collisions at center-of-mass energies √sN N=62.4 and 200 GeV. The difference between v 2 {2 }2 and v 2 {4 }2 is related to v 2 fluctuations (σv 2) and nonflow (δ 2). We present an upper limit to σv 2/v 2. Following the assumption that eccentricity fluctuations σ dominate v 2 fluctuations σv 2v 2≈σ we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with v 2{2} and v 2{4}. We also present results on the ratio of v 2 to eccentricity.

AB - We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants v 2 (v 2{2} and v 2{4}) for Au+Au and Cu+Cu collisions at center-of-mass energies √sN N=62.4 and 200 GeV. The difference between v 2 {2 }2 and v 2 {4 }2 is related to v 2 fluctuations (σv 2) and nonflow (δ 2). We present an upper limit to σv 2/v 2. Following the assumption that eccentricity fluctuations σ dominate v 2 fluctuations σv 2v 2≈σ we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with v 2{2} and v 2{4}. We also present results on the ratio of v 2 to eccentricity.

UR - http://www.scopus.com/inward/record.url?scp=84864416587&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84864416587&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.86.014904

DO - 10.1103/PhysRevC.86.014904

M3 - Article

AN - SCOPUS:84864416587

VL - 86

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

SN - 0556-2813

IS - 1

M1 - 014904

ER -