Stable, tunable, quasimonoenergetic electron beams produced in a laser wakefield near the threshold for self-injection.

S. Banerjee, S.Y. Kalmykov, N.D. Powers, G. Golovin, V. Ramanathan, N.J. Cunningham, K.J. Brown, S. Chen, I. Ghebregziabher, B.A. Shadwick, D.P. Umstadter, B.A. Cowan, D.L. Bruhwiler, A. Beck, E. Lefebvre, “Stable, tunable, quasimonoenergetic electron beams produced in a laser wakefield near the threshold for self-injection,” Phys. Rev. ST/AB 16, 031302 (2013).