An ALMA survey of CO in submillimetre galaxies: Companions, triggering, and the environment in blended sources

J. L. Wardlow, J. M. Simpson, Ian Smail, A. M. Swinbank, A. W. Blain, W. N. Brandt, S. C. Chapman, Chian Chou Chen, E. A. Cooke, H. Dannerbauer, B. Gullberg, J. A. Hodge, R. J. Ivison, K. K. Knudsen, Douglas Scott, A. P. Thomson, A. Weiß, P. P. van der Werf