J Wu

Measurements and simulations of ultralow emittance and ultrashort electron beams in the linac coherent light source.

P Emma, D Dowell, D. Ratner, 2009, Physical review letters.

Femtosecond x-ray pulse characterization in free-electron lasers using a cross-correlation technique.

P Emma, P. Emma, F. Decker, 2012, Physical review letters.