Directed flow of antiprotons in Au+Au collisions at AGS
  Directed flow of antiprotons is studied in Au+Au collisions at a beam momentum of 11.5A GeV/c. It is shown that antiproton directed flow is anti-correlated to proton flow. The measured transverse momentum dependence of the antiproton flow is compared with predictions of the RQMD event generator. 
J. Barrette, R. Bellwied, S. Bennett, R. Bersch, P. Braun-Munzinger,   W. C. Chang, W.E. Cleland, M. Clemen, J. Cole, T. M. ...