Journal
NUCLEAR PHYSICS A
Volume 904, Issue -, Pages 248C-255CPublisher
ELSEVIER
DOI: 10.1016/j.nuclphysa.2013.01.069
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Funding
- RHIC Operations Group at BNL
- RCF at BNL
- NERSC Center at LBNL
- Open Science Grid consortium
- Office of NP within the U.S. DOE Office of Science
- U.S. NSF
- Sloan Foundation
- CNRS/IN2P3
- FAPESP CNPq of Brazil
- Ministry of Ed. and Sci. of the Russian Federation
- NNSFC of China
- CAS of China
- MoST of China
- MoE of China
- GA of the Czech Republic
- MSMT of the Czech Republic
- FOM of the Netherlands
- NWO of the Netherlands
- DAE of India
- DST of India
- CSIR of India
- Polish Ministry of Sci. and Higher Ed.
- National Research Foundation [NRF-2012004024]
- Ministry of Sci., Ed. and Sports of the Rep. of Croatia
- RosAtom of Russia
- Office of HEP within the U.S. DOE Office of Science
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We present measurements of pion elliptic flow (v(2)) in Au+Au collisions at root s(NN) = 200, 62.4, 39, 27 and 19.6 GeV, as a function of event-by-event charge asymmetry (A(+/-)), based on data from the STAR experiment at RHIC. We find that pi(-) (pi(+)) elliptic flow linearly increases (decreases) with charge asymmetry for most centrality bins and for all the beam energies under study. The slope parameter (r) from v(2)(A(+/-)) difference between pi(-) and pi(+) shows a centrality dependency similar to calculations of the Chiral Magnetic Wave. The measurements of charge separation with respect to the reaction plane in search of Local Parity Violation and the Chiral Magnetic Effect are also presented for Au+Au collisions at root s(NN) = 200, 62.4, 39, 27, 19.6, 11.5 and 7.7 GeV, and for U+U collisions at 193 GeV.
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