Directed fast electron beams in ultraintense picosecond laser irradiated solid targets
Ge,X. L.; X. X. Lin, X. H. Yuan, D. C. Carroll, R. J. Gray, T. P. Yu, O. Tresca, M. Chen, F. Liu, H. B. Zhuo, B. Zielbauer, L. Zhao, D. Neely, Z. M. Sheng, Y. T. Li and P. McKenna