Evidence of photon acceleration by laser wake fields by Murphy, C, Trines, R, Vieira, J, Reitsma, A, Bingham, R, Collier, J, Divall, E, Foster, P, Hooker, C, Langley, A, Norreys, P, Fonseca, R, Fiuza, F, Silva, L, Mendoņa, J, Mori, W, Gallacher, J, Viskup, R, Jaroszynski, D, Mangles, S, Thomas, A, Krushelnick, K, Najmudin, Z

Erratum: Evidence of photon acceleration by laser wake fields (Physics of Plasmas (2006) 13 (033108)) by Murphy, C, Trines, R, Vieira, J, Reitsma, A, Bingham, R, Collier, J, Divall, E, Foster, P, Hooker, C, Langley, A, Norreys, P, Fonseca, R, Fiuza, F, Silva, L, Mendonça, J, Mori, W, Gallacher, J, Viskup, R, Jaroszynski, D, Mangles, S, Thomas, A, Krushelnick, K, Najmudin, Z