Proton imaging of an electrostatic field structure formed in laser-produced counter-streaming plasmas

T. Morita, N. L. Kugland, W. C. Wan, R. Crowston, R. P . Drake, F. Fiuza, G. Gregori, C. Huntington, T. Ishikawa, M. Koenig, C. C. Kuranz, M. C. Levy, D. Martinez-Patino, J. Meinecke, F. Miniati, A. Pelka, C. Plechaty, R. Presura, N. Quirós, B.A. RemingtonB. Reville, J. S. Ross, D.D. Ryutov, Y. Sakawa, H. Takabe, Y. Yamaura, N.C. Woolsey, H-S. Park