Babzien, M; Ben-Zvi, I; Kusche, K; Pavlishin, IV; Pogorelsky, IV; Siddons, DP; Yakimenko, V; Cline, D; Zhou, F; Hirose, T; Kamiya, Y; Kumita, T; Omori, T; Urakawa, J; Yokoya, K "Observation of the second harmonic in Thomson scattering from relativistic electrons" Phys. Rev. Lett. 96, 054802 (2006)

Kimura, WD; Andreev, NE; Babzien, M; Ben-Zvi, I; Cline, DB; Dilley, CE; Gottschalk, SC; Hooker, SM; Kusche, KP; Kuznetsov, SV; Pavlishin, IV; Pogorelsky, IV; Pogosova, AA; Steinhauer, LC; Ting, A; Yakimenko, V; Zigler, A; Zhou, F "Inverse free electron lasers and laser wakefield acceleration driven by CO2 lasers" Phil. Trans. R. Soc. Lond. A, Volume 364, Issue 1840, Mar 2006, Pages 611 - 622

Shchelkunov, SV; Marshall, TC; Hirshfield, JL; Babzien, MA; LaPointe, MA "Experimental observation of constructive superposition of wakefields generated by electron bunches in a dielectric-lined waveguide" Phys. Rev. ST Accel. Beams 9, 011301 (2006)