Irradiation studies of multimode optical fibres for use in ATLAS front-end links Dahkki Mahout, G, Pearce, M, Andrieux, M, Arvidsson, C, Charlton, D, Dinkespiler, B, Dowell, J, Gallin-Martel, L, Homer, R, Jovanovic, P, Kenyon, I, Kuyt, G, Lundquist, J, Mandic, I, Martin, O, Shaylor, H, Stroynowski, R, Troska, J, Wastie, R, Weidberg, A, Wilson, J, Ye, J