Energy and system-size dependence of two- and four-particle nu(2) measurements in heavy-ion collisions at root S-NN=62.4 and 200 GeV and their implications on flow fluctuations and nonflow

Autor: 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, SANCHEZ, MCD, CEBRA, D, CENDEJAS, R, CERVANTES, MC, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHEN, L, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, KE, CHRISTIE, W, CHUNG, P, CODRINGTON, MJM, CORLISS, R, CRAMER, JG, CRAWFORD, HJ, CUI, X, LEYVA, AD, DE SILVA, LC, DEBBE, RR, DEDOVICH, TG, DENG, J, DEREVSCHIKOV, AA, DE SOUZA, RD, 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, 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, J, 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, DE TOLEDO, AS, 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, 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, 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, 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
Jazyk: angličtina
Rok vydání: 2012
Předmět:
Zdroj: IndraStra Global.
ISSN: 2381-3652
DOI: 10.1103/PhysRevC.86.014904
Popis: We present STAR measurements of azimuthal anisotropy by means of the two- and four-particle cumulants nu(2) (nu(2){2} and nu(2){4}) for Au + Au and Cu + Cu collisions at center-of-mass energies root S-NN = 62.4 and 200 GeV. The difference between nu(2){2}(2) and nu(2){4}(2) is related to nu(2) fluctuations (sigma(nu 2)) and nonflow (delta(2)). We present an upper limit to sigma(nu 2)/nu 2. Following the assumption that eccentricity fluctuations sigma(epsilon) dominate nu(2) fluctuations nu(2)/sigma nu(2) approximate to epsilon/sigma epsilon we deduce the nonflow implied for several models of eccentricity fluctuations that would be required for consistency with nu(2){2} and nu(2){4}. We also present results on the ratio of nu(2) to eccentricity.
Databáze: OpenAIRE