Precise mapping of the magnetic field in the CMS barrel yoke using cosmic rays by Chatrchyan, S, Khachatryan, V, Sirunyan, A, Adam, W, Arnold, B, Bergauer, H, Bergauer, T, Dragicevic, M, Eichberger, M, Eroe, J, Friedl, M, Uhwirth, R, Ghete, V, Hammer, J, Haensel, S, Hoch, M, Hoermann, N, Hrubec, J, Jeitler, M, Kasieczka, G, Kastner, K, Krammer, M, Liko, D, De Abril, I, Mikulec, I