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Observation of Charge Asymmetry Dependence of Pion Elliptic Flow and the Possible Chiral Magnetic Wave in Heavy-Ion Collisions

  • L. Adamczyk
  • , J. K. Adkins
  • , G. Agakishiev
  • , M. M. Aggarwal
  • , Z. Ahammed
  • , I. Alekseev
  • , J. Alford
  • , A. Aparin
  • , D. Arkhipkin
  • , E. C. Aschenauer
  • , G. S. Averichev
  • , A. Banerjee
  • , R. Bellwied
  • , A. Bhasin
  • , A. K. Bhati
  • , P. Bhattarai
  • , J. Bielcik
  • , J. Bielcikova
  • , L. C. Bland
  • , I. G. Bordyuzhin
  • J. Bouchet, A. V. Brandin, I. Bunzarov, T. P. Burton, J. Butterworth, H. Caines, M. Calderón De La Barca Sánchez, J. M. Campbell, D. Cebra, M. C. Cervantes, I. Chakaberia, P. Chaloupka, Z. Chang, S. Chattopadhyay, J. H. Chen, X. Chen, J. Cheng, M. Cherney, W. Christie, G. Contin, H. J. Crawford, S. Das, L. C. De Silva, R. R. Debbe, T. G. Dedovich, J. Deng, A. A. Derevschikov, B. Di Ruzza, L. Didenko, C. Dilks, X. Dong, J. L. Drachenberg, J. E. Draper, C. M. Du, L. E. Dunkelberger, J. C. Dunlop, L. G. Efimov, J. Engelage, G. Eppley, R. Esha, O. Evdokimov, O. Eyser, R. Fatemi, S. Fazio, P. Federic, J. Fedorisin, Z. Feng, P. Filip, Y. Fisyak, C. E. Flores, L. Fulek, C. A. Gagliardi, D. Garand, F. Geurts, A. Gibson, M. Girard, L. Greiner, D. Grosnick, D. S. Gunarathne, Y. Guo, S. Gupta, A. Gupta, W. Guryn, A. Hamad, A. Hamed, R. Haque, J. W. Harris, L. He, S. Heppelmann, S. Heppelmann, A. Hirsch, G. W. Hoffmann, D. J. Hofman, S. Horvat, H. Z. Huang, B. Huang, X. Huang, P. Huck, T. J. Humanic, G. Igo, W. W. Jacobs, H. Jang, K. Jiang, E. G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H. W. Ke, D. Keane, A. Kechechyan, Z. H. Khan, D. P. Kikola, I. Kisel, A. Kisiel, D. D. Koetke, T. Kollegger, L. K. Kosarzewski, L. Kotchenda, A. F. Kraishan, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R. A. Kycia, M. A.C. Lamont, J. M. Landgraf, K. D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J. H. Lee, W. Li, Y. Li, C. Li, N. Li, Z. M. Li, X. Li, X. Li, M. A. Lisa, F. Liu, T. Ljubicic, W. J. Llope, M. Lomnitz, R. S. Longacre, X. Luo, L. Ma, R. Ma, Y. G. Ma, G. L. Ma, N. Magdy, R. Majka, A. Manion, S. Margetis, C. Markert, H. Masui, H. S. Matis, D. McDonald, K. Meehan, N. G. Minaev, S. Mioduszewski, B. Mohanty, M. M. Mondal, D. A. Morozov, M. K. Mustafa, B. K. Nandi, Md Nasim, T. K. Nayak, G. Nigmatkulov, L. V. Nogach, S. Y. Noh, J. Novak, S. B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, V. Okorokov, D. L. Olvitt, B. S. Page, R. Pak, Y. X. Pan, Y. Pandit, Y. Panebratsev, B. Pawlik, H. Pei, C. Perkins, A. Peterson, P. Pile, M. Planinic, J. Pluta, N. Poljak, K. Poniatowska, J. Porter, M. Posik, A. M. Poskanzer, N. K. Pruthi, J. Putschke, H. Qiu, A. Quintero, S. Ramachandran, S. Raniwala, R. Raniwala, R. L. Ray, H. G. Ritter, J. B. Roberts, O. V. Rogachevskiy, J. L. Romero, A. Roy, L. Ruan, J. Rusnak, O. Rusnakova, N. R. Sahoo, P. K. Sahu, I. Sakrejda, S. Salur, J. Sandweiss, A. Sarkar, J. Schambach, R. P. Scharenberg, A. M. Schmah, W. B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P. V. Shanmuganathan, M. Shao, B. Sharma, M. K. Sharma, W. Q. Shen, S. S. Shi, Q. Y. Shou, E. P. Sichtermann, R. Sikora, M. Simko, M. J. Skoby, D. Smirnov, N. Smirnov, L. Song, P. Sorensen, H. M. Spinka, B. Srivastava, T. D.S. Stanislaus, M. Stepanov, R. Stock, M. Strikhanov, B. Stringfellow, M. Sumbera, B. J. Summa, X. Sun, X. M. Sun, Z. Sun, Y. Sun, B. Surrow, D. N. Svirida, M. A. Szelezniak, Z. Tang, A. H. Tang, T. Tarnowsky, A. N. Tawfik, J. H. Thomas, A. R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R. E. Tribble, P. Tribedy, S. K. Tripathy, B. A. Trzeciak, O. D. Tsai, T. Ullrich, D. G. Underwood, I. Upsal, G. Van Buren, G. Van Nieuwenhuizen, M. Vandenbroucke, R. Varma, A. N. Vasiliev, R. Vertesi, F. Videbaek, Y. P. Viyogi, S. Vokal, S. A. Voloshin, A. Vossen, F. Wang, Y. Wang, H. Wang, J. S. Wang, Y. Wang, G. Wang, G. Webb, J. C. Webb, L. Wen, G. D. Westfall, H. Wieman, S. W. Wissink, R. Witt, Y. F. Wu, Z. Xiao, W. Xie, K. Xin, Y. F. Xu, N. Xu, Z. Xu, Q. H. Xu, H. Xu, Y. Yang, Y. Yang, C. Yang, S. Yang, Q. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I. K. Yoo, N. Yu, H. Zbroszczyk, W. Zha, X. P. Zhang, J. B. Zhang, J. Zhang, Z. Zhang, S. Zhang, Y. Zhang, J. L. Zhang, F. Zhao, J. Zhao, C. Zhong, L. Zhou, X. Zhu, Y. Zoulkarneeva, M. Zyzak
  • AGH University of Krakow
  • University of Kentucky
  • Joint Institute for Nuclear Research
  • Panjab University
  • Variable Energy Cyclotron Centre
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Kent State University
  • Brookhaven National Laboratory
  • University of Houston
  • University of Jammu
  • University of Texas at Austin
  • Czech Technical University in Prague
  • Czech Academy of Sciences
  • Moscow Engineering Physics Institute
  • Rice University
  • Yale University
  • University of California at Davis
  • Ohio State University
  • Texas A&M University
  • Chinese Academy of Sciences
  • CAS - Institute of Modern Physics
  • Tsinghua University
  • Creighton University
  • Lawrence Berkeley National Laboratory
  • University of California at Berkeley
  • Institute of Physics Bhubaneswar
  • Shandong University
  • Institute for High Energy Physics
  • Pennsylvania State University
  • Valparaiso University
  • University of California at Los Angeles
  • University of Illinois at Chicago
  • Central China Normal University
  • Purdue University
  • Warsaw University of Technology
  • Temple University
  • University of Science and Technology of China
  • National Institute of Science Education and Research
  • Indiana University Bloomington
  • Korea Institute of Science and Technology Information
  • Wayne State University
  • Goethe University Frankfurt
  • Argonne National Laboratory
  • Institute of Nuclear Physics PAN
  • World Laboratory for Cosmology and Particle Physics (WLCAPP)
  • Indian Institute of Technology Bombay
  • Michigan State University
  • Pusan National University
  • University of Zagreb
  • University of Rajasthan
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • United States Naval Academy

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

128 Citas (Scopus)

Resumen

We present measurements of π- and π+ elliptic flow, v2, at midrapidity in Au+Au collisions at sNN=200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV, as a function of event-by-event charge asymmetry, Ach, based on data from the STAR experiment at RHIC. We find that π- (π+) elliptic flow linearly increases (decreases) with charge asymmetry for most centrality bins at sNN=27GeV and higher. At sNN=200GeV, the slope of the difference of v2 between π- and π+ as a function of Ach exhibits a centrality dependence, which is qualitatively similar to calculations that incorporate a chiral magnetic wave effect. Similar centrality dependence is also observed at lower energies.

Idioma originalInglés
Número de artículo252302
PublicaciónPhysical Review Letters
Volumen114
N.º25
DOI
EstadoPublicada - 26 jun 2015
Publicado de forma externa

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