- Main
Measurement of charge multiplicity asymmetry correlations in high-energy nucleus-nucleus collisions at sNN=200 GeV
- Adamczyk, L;
- Adkins, JK;
- Agakishiev, G;
- Aggarwal, MM;
- Ahammed, Z;
- Alakhverdyants, AV;
- Alekseev, I;
- Alford, J;
- Anson, CD;
- Arkhipkin, D;
- Aschenauer, E;
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- Barnovska, Z;
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- Betancourt, MJ;
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- Bhati, AK;
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- Bielcik, J;
- Bielcikova, J;
- Bland, LC;
- Bordyuzhin, IG;
- Borowski, W;
- Bouchet, J;
- Brandin, AV;
- Brovko, SG;
- Bruna, E;
- Bültmann, S;
- Bunzarov, I;
- Burton, TP;
- Butterworth, J;
- Cai, XZ;
- Caines, H;
- de la Barca Sánchez, M Calderón;
- Cebra, D;
- Cendejas, R;
- Cervantes, MC;
- Chaloupka, P;
- Chang, Z;
- Chattopadhyay, S;
- Chen, HF;
- Chen, JH;
- Chen, JY;
- Chen, L;
- Cheng, J;
- Cherney, M;
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- Christie, W;
- Chung, P;
- Chwastowski, J;
- Codrington, MJM;
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- Cramer, JG;
- Crawford, HJ;
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- Das, S;
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- De Silva, LC;
- Debbe, RR;
- Dedovich, TG;
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- de Souza, R Derradi;
- Dhamija, S;
- Didenko, L;
- Ding, F;
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- Djawotho, P;
- Dong, X;
- Drachenberg, JL;
- Draper, JE;
- Du, CM;
- Dunkelberger, LE;
- Dunlop, JC;
- Efimov, LG;
- Elnimr, M;
- Engelage, J;
- Eppley, G;
- Eun, L;
- Evdokimov, O;
- Fatemi, R;
- Fazio, S;
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- Fersch, RG;
- Filip, P;
- Finch, E;
- Fisyak, Y;
- Flores, E;
- Gagliardi, CA;
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- 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, L-X;
- 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;
- L., G;
- G., Y;
- Don, DMMD Madagodagettige;
- 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;
- 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;
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- Seger, J;
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- Seyboth, P;
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- Shahaliev, E;
- Shao, M;
- Sharma, B;
- Sharma, M;
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- Spinka, HM;
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- 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, A Szanto;
- 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;
- Videbæk, 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, I-K;
- 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
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 sNN=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, Δ, 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 v2obs), where Δ=[1.3±1.4(stat)-1.0+4.0(syst)]×10- 5+[3.2±0.2(stat)-0.3+0.4(syst)]×10-3v2obs for 20-40% Au+Au collisions. The implications for the proposed chiral magnetic effect are discussed. © 2014 American Physical Society.
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