Discovery of H I gas in a young radio galaxy at z = 0.44 using the Australian Square Kilometre Array Pathfinder by Allison, J, Sadler, E, Moss, V, Whiting, M, Hunstead, R, Pracy, M, Curran, S, Croom, S, Glowacki, M, Morganti, R, Shabala, S, Zwaan, M, Allen, G, Amy, S, Axtens, P, Ball, L, Bannister, K, Barker, S, Bell, M, Bock, D, Bolton, R, Bowen, M, Boyle, B, Braun, R, Broadhurst, S, Brodrick, D, Brothers, M, Brown, A, Bunton, J, Cantrall, C, Chapman, J, Cheng, W, Chippendale, A, Chung, Y, Cooray, F, Cornwell, T, Deboer, D, Diamond, P, Edwards, P, Ekers, R, Feain, I, Ferris, R, Forsyth, R, Gough, R, Grancea, A, Gupta, N, Guzman, J, Hampson, G, Harvey-Smith, L, Haskins, C, Hay, S, Hayman, D, Heywood, I, Hotan, A, Hoyle, S, Humphreys, B, Indermuehle, B, Jacka, C, Jackson, C, Jackson, S, Jeganathan, K, Johnston, S, Joseph, J, Kendall, R, Kesteven, M, Kiraly, D, Koribalski, B, Leach, M, Lenc, E, Lensson, E, Mackay, S, Macleod, A, Marquarding, M, Marvil, J, McClure-griffiths, N, McConnell, D, Mirtschin, P, Norris, R, Neuhold, S, Ng, A, O'Sullivan, J, Pathikulangara, J, Pearce, S, Phillips, C, Popping, A, Qiao, R, Reynolds, J, Roberts, P, Sault, R, Schinckel, A, Serra, P, Shaw, R, Shields, M, Shimwell, T, Storey, M, Sweetnam, T, Troup, E, Turner, B, Tuthill, J, Tzioumis, A, Voronkov, M, Westmeier, T, Wilson, C