Characterization of a gamma-ray source based on a laser-plasma accelerator with applications to radiography

R.D. Edwards, M.A. Sinclair, T.J. Goldsack, K. Krushelnick, F.N. Beg, E.L. Clark, A.E. Dangor, Z. Najmudin, M. Tatarakis, B. Walton, Matthew Zepf, K.W.D. Ledingham, I. Spencer, P.A. Norreys, R.J. Clarke, R. Kodama, Y. Toyama, M. Tampo