Electron injection and emittance control by transverse colliding pulses in a laser-plasma accelerator.

M. Chen, E. Esarey, C.G.R. Geddes, E. Cormier-Michel, C.B. Schroeder, S.S. Bulanov, C. Benedetti, L.L. Yu, S. Rykovanov, D. L. Bruhwiler and W. P. Leemans, “Electron injection and emittance control by transverse colliding pulses in a laser-plasma accelerator,” Phys. Rev. ST/AB 17, 051303 (2014).