Helicity dependence of the gamma p ---> N pion channels and multipole analysis in the Delta region

J., Ahrens; Altieri, Saverio; Annand, Jrm; Anton, G; Arends, Hj; Aulenbacher, K; Beck, R; Bradtke, C; Braghieri, A; Degrande, Natalie; D'Hose, N; Drechsel, D; Dutz, H; Goertz, S; Grabmayr, P; Hansen, K; Harmsen, J; VON HARRACH, D; Hasegawa, S; Hasegawa, T; Heid, E; Helbing, K; Holvoet, Heidi; Van Hoorebeke, Luc; Horikawa, N; Iwata, T; Jahn, O; Jennewein, P; Kageya, T; Kiel, B; Klein, F; Kondratiev, R; Kossert, K; Krimmer, J; Lang, M; Lannoy, Bob; Leukel, R; Lisin, V; Matsuda, T; Mcgeorge, Jc; Meier, A; Menze, D; Meyer, W; Michel, T; Naumann, J; Panzeri, Alessandra; Pedroni, P; Pinelli, Tazio; Preobrajenski, I; Radtke, E; Reichert, E; Reicherz, G; Rohlof, C; Rosner, G; Ryckbosch, Dirk; Sauer, M; Schoch, B; Schumacher, M; Seitz, B; Speckner, T; Takabayashi, N; Tamas, G; Thomas, A; Tiator, L; Van De Vyver, Robert; Wakai, A; Weihofen, W; Wissmann, F; Zapadtka, F; Zeitler, G.