Measurement of charge multiplicity asymmetry correlations in high-energy nucleus-nucleus collisions at root S-NN=200 GeV
ADAMCZYK, L; ADKINS, JK; AGAKISHIEV, G; AGGARWAL, MM; AHAMMED, Z; ALAKHVERDYANTS, AV; ALEKSEEV, I; ALFORD, J; ANSON, CD; ARKHIPKIN, D; ASCHENAUER, E; AVERICHEV, GS; BALEWSKI, J; BANERJEE, A; BARNOVSKA, Z; BEAVIS, DR; BELLWIED, R; BETANCOURT, MJ; BETTS, RR; BHASIN, A; BHATI, AK; BICHSEL, H; BIELCIK, J; BIELCIKOVA, J; BLAND, LC; BORDYUZHIN, IG; BOROWSKI, W; BOUCHET, J; BRANDIN, AV; BROVKO, SG; BRUNA, E; BULTMANN, S; BUNZAROV, I; BURTON, TP; BUTTERWORTH, J; CAI, XZ; CAINES, H; SANCHEZ, MCD; CEBRA, D; CENDEJAS, R; CERVANTES, MC; CHALOUPKA, P; CHANG, Z; CHATTOPADHYAY, S; CHEN, HF; CHEN, JH; CHEN, JY; CHEN, L; CHENG, J; CHERNEY, M; CHIKANIAN, A; CHRISTIE, W; CHUNG, P; CHWASTOWSKI, J; CODRINGTON, MJM; CORLISS, R; CRAMER, JG; CRAWFORD, HJ; CUI, X; DAS, S; LEYVA, AD; DE SILVA, LC; DEBBE, RR; DEDOVICH, TG; DENG, J; DE SOUZA, RD; DHAMIJA, S; DIDENKO, L; DING, F; DION, A; DJAWOTHO, P; DONG, X; DRACHENBERG, JL; DRAPER, JE; DU, CM; DUNKELBERGER, LE; DUNLOP, JC; EFIMOV, G; ELNIMR, M; ENGELAGE, J; EPPLEY, G; EUN, L; EVDOKIMOV, O; FATEMI, R; FAZIO, S; FEDORISIN, J; FERSCH, RG; FILIP, P; FINCH, E; FISYAK, Y; FLORES, E; GAGLIARDI, CA; GANGADHARAN, DR; GARAND, D; GEURTS, F; GIBSON, A; GLISKE, S; GORBUNOV, YN; GREBENYUK, OG; GROSNICK, D; GUPTA, A; GUPTA, S; GURYN, W; HAAG, B; HAJKOVA, O; HAMED, A; HAN, LX; HARRIS, JW; HAYS-WEHLE, JP; HEPPELMANN, S; HIRSCH, A; HOFFMANN, GW; HOFMAN, DJ; HORVAT, S; HUANG, B; HUANG, HZ; HUCK, P; HUMANIC, TJ; IGO, G; JACOBS, WW; JENA, C; JUDD, EG; KABANA, S; KANG, K; KAPITAN, J; KAUDER, K; KE, HW; KEANE, D; KECHECHYAN, A; KESICH, A; KIKOLA, DP; KIRYLUK, J; KISEL, I; KISIEL, A; KIZKA, V; KOETKE, DD; KOLLEGGER, T; KONZER, J; KORALT, I; KOROLEVA, L; KORSCH, W; KOTCHENDA, L; KRAVTSOV, P; KRUEGER, K; KULAKOV, I; KUMAR, L; LAMONT, MAC; LANDGRAF, JM; LANDRY, KD; LAPOINTE, S; LAURET, J; LEBEDEV, A; LEDNICKY, R; LEE, JH; LEIGHT, W; LEVINE, MJ; LI, C; LI, W; LI, X; LI, X; LI, Y; LI, ZM; LIMA, LM; LISA, MA; LIU, F; LJUBICIC, T; LLOPE, WJ; LONGACRE, RS; LU, Y; LUO, X; LUSZCZAK, A; MA, GL; MA, YG; DON, DMMDM; MAHAPATRA, DP; MAJKA, R; MARGETIS, S; MARKERT, C; MASUI, H; MATIS, HS; MCDONALD, D; MCSHANE, TS; MIODUSZEWSKI, S; MITROVSKI, MK; MOHAMMED, Y; MOHANTY, B; MONDAL, MM; MOROZOV, B; MUNHOZ, MG; MUSTAFA, MK; NAGLIS, M; NANDI, BK; NASIM, M; NAYAK, TK; NELSON, JM; NOGACH, LV; NOVAK, J; ODYNIEC, G; OGAWA, A; OH, K; OHLSON, A; OKOROKOV, V; OLDAG, EW; OLIVEIRA, RAN; OLSON, D; OSTROWSKI, P; PACHR, M; PAGE, BS; PAL, SK; PAN, YX; PANDIT, Y; PANEBRATSEV, Y; PAWLAK, T; PAWLIK, B; PEI, H; PERKINS, C; PERYT, W; PILE, P; PLANINIC, M; PLUTA, J; POLJAK, N; PORTER, J; POWELL, CB; PRUTHI, NK; PRZYBYCIEN, M; PUJAHARI, PR; PUTSCHKE, J; QIU, H; RAMACHANDRAN, S; RANIWALA, R; RANIWALA, S; RAY, RL; REDWINE, R; RILEY, CK; RITTER, HG; ROBERTS, JB; ROGACHEVSKIY, OV; ROMERO, JL; ROSS, JF; RUAN, L; RUSNAK, J; SAHOO, NR; SAHU, PK; SAKREJDA, I; SALUR, S; SANDACZ, A; SANDWEISS, J; SANGALINE, E; SARKAR, A; SCHAMBACH, J; SCHARENBERG, RP; SCHMAH, AM; SCHMIDKE, B; 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; SINGARAJU, RN; SKOBY, MJ; SMIRNOV, D; SMIRNOV, N; SOLANKI, D; SORENSEN, P; DESOUZA, UG; SPINKA, HM; SRIVASTAVA, B; STANISLAUS, TDS; STEADMAN, SG; STEVENS, JR; STOCK, R; STRIKHANOV, M; STRINGFELLOW, B; SUAIDE, AAP; SUAREZ, MC; 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; THOMAS, JH; TIAN, J; TIMMINS, AR; TLUSTY, D; TOKAREV, M; TRENTALANGE, S; TRIBBLE, RE; TRIBEDY, P; TRZECIAK, BA; TSAI, OD; TURNAU, J; ULLRICH, T; UNDERWOOD, DG; VAN BUREN, G; VAN NIEUWENHUIZEN, G; VANFOSSEN, JA; VARMA, R; VASCONCELOS, GMS; VIDEBAEK, F; VIYOGI, YP; VOKAL, S; VOSSEN, A; WADA, M; WANG, F; WANG, H; WANG, JS; WANG, Q; WANG, XL; WANG, Y; WEBB, G; WEBB, JC; WESTFALL, GD; WHITTEN, C; WIEMAN, H; WISSINK, SW; WITT, R; WU, YF; XIAO, Z; XIE, W; XIN, K; XU, H; XU, N; XU, QH; XU, W; XU, Y; XU, Z; XUE, L; YANG, Y; YANG, Y; YEPES, P; YI, L; YIP, K; YOO, IK; ZAWISZA, M; ZBROSZCZYK, H; ZHANG, JB; ZHANG, S; ZHANG, XP; ZHANG, Y; ZHANG, ZP; ZHAO, F; ZHAO, J; ZHONG, C; ZHU, X; ZHU, YH; ZOULKARNEEVA, Y; ZYZAK, M
Date:
2014
Abstract:
A study is reported of the same-and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+ Au collisions at root(S)(NN) = 200 GeV. The charge multiplicity asymmetries between the up/down and left/right hemispheres relative to the event plane are utilized. The contributions from statistical fluctuations and detector effects were subtracted from the (co-) variance of the observed charge multiplicity asymmetries. In the mid-to most-central collisions, the same- (opposite-) sign pairs are preferentially emitted in back-to-back (aligned on the same-side) directions. The charge separation across the event plane, measured by the difference, Delta, between the like-and unlike-sign up/down-left/right correlations, is largest near the event plane. The difference is found to be proportional to the event-by-event final-state particle ellipticity (via the observed second order harmonic nu(obs)(2)), where Delta = [ 1.3 +/- 1.4( stat)(-1.0)(+4.0)(syst)] x 10(-5) + [3.2 +/- 0.2(stat)(- 0.3)(+0.4)(syst)] x 10(-3)v(2)(obs) for 20- 40% Au + Au collisions. The implications for the proposed chiral magnetic effect are discussed.
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