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Observation of Charge Asymmetry Dependence of Pion Elliptic Flow and the Possible Chiral Magnetic Wave in Heavy-Ion Collisions.
Adamczyk, L; Adkins, J K; Agakishiev, G; Aggarwal, M M; Ahammed, Z; Alekseev, I; Alford, J; Aparin, A; Arkhipkin, D; Aschenauer, E C; Averichev, G S; Banerjee, A; Bellwied, R; Bhasin, A; Bhati, A K; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, L C; Bordyuzhin, I G; Bouchet, J; Brandin, A V; Bunzarov, I; Burton, T P; Butterworth, J; Caines, H; Calderón de la Barca Sánchez, M; Campbell, J M; Cebra, D; Cervantes, M C; Chakaberia, I; Chaloupka, P; Chang, Z; Chattopadhyay, S; Chen, J H; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, H J; Das, S; De Silva, L C; Debbe, R R; Dedovich, T G; Deng, J; Derevschikov, A A; di Ruzza, B; Didenko, L; Dilks, C.
Afiliación
  • Adamczyk L; AGH University of Science and Technology, Cracow 30-059, Poland.
  • Adkins JK; University of Kentucky, Lexington, Kentucky 40506-0055, USA.
  • Agakishiev G; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Aggarwal MM; Panjab University, Chandigarh 160014, India.
  • Ahammed Z; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Alekseev I; Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  • Alford J; Kent State University, Kent, Ohio 44242, USA.
  • Aparin A; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Arkhipkin D; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Aschenauer EC; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Averichev GS; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Banerjee A; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Bellwied R; University of Houston, Houston, Texas 77204, USA.
  • Bhasin A; University of Jammu, Jammu 180001, India.
  • Bhati AK; Panjab University, Chandigarh 160014, India.
  • Bhattarai P; University of Texas, Austin, Texas 78712, USA.
  • Bielcik J; Czech Technical University in Prague, FNSPE, Prague 115 19, Czech Republic.
  • Bielcikova J; Nuclear Physics Institute AS CR, 250 68 Rez/Prague, Czech Republic.
  • Bland LC; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Bordyuzhin IG; Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  • Bouchet J; Kent State University, Kent, Ohio 44242, USA.
  • Brandin AV; Moscow Engineering Physics Institute, Moscow 115409, Russia.
  • Bunzarov I; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Burton TP; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Butterworth J; Rice University, Houston, Texas 77251, USA.
  • Caines H; Yale University, New Haven, Connecticut 06520, USA.
  • Calderón de la Barca Sánchez M; University of California, Davis, California 95616, USA.
  • Campbell JM; The Ohio State University, Columbus, Ohio 43210, USA.
  • Cebra D; University of California, Davis, California 95616, USA.
  • Cervantes MC; Texas A&M University, College Station, Texas 77843, USA.
  • Chakaberia I; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Chaloupka P; Czech Technical University in Prague, FNSPE, Prague 115 19, Czech Republic.
  • Chang Z; Texas A&M University, College Station, Texas 77843, USA.
  • Chattopadhyay S; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Chen JH; Shanghai Institute of Applied Physics, Shanghai 201800, China.
  • Chen X; Institute of Modern Physics, Lanzhou 730000, China.
  • Cheng J; Tsinghua University, Beijing 100084, China.
  • Cherney M; Creighton University, Omaha, Nebraska 68178, USA.
  • Christie W; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Contin G; Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Crawford HJ; University of California, Berkeley, California 94720, USA.
  • Das S; Institute of Physics, Bhubaneswar 751005, India.
  • De Silva LC; Creighton University, Omaha, Nebraska 68178, USA.
  • Debbe RR; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Dedovich TG; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Deng J; Shandong University, Jinan, Shandong 250100, China.
  • Derevschikov AA; Institute of High Energy Physics, Protvino 142281, Russia.
  • di Ruzza B; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Didenko L; Brookhaven National Laboratory, Upton, New York 11973, USA.
  • Dilks C; Pennsylvania State University, University Park, Pennsylvania 16802, USA.
Phys Rev Lett ; 114(25): 252302, 2015 Jun 26.
Article en En | MEDLINE | ID: mdl-26197122
ABSTRACT
We present measurements of π(-) and π(+) elliptic flow, v(2), at midrapidity in Au+Au collisions at √[s(NN)]=200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV, as a function of event-by-event charge asymmetry, A(ch), 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 √[s(NN)]=27 GeV and higher. At √[s(NN)]=200 GeV, the slope of the difference of v(2) between π(-) and π(+) as a function of A(ch) 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.
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Banco de datos: MEDLINE Idioma: En Año: 2015 Tipo del documento: Article
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Banco de datos: MEDLINE Idioma: En Año: 2015 Tipo del documento: Article