Author :
Berrah, N. ; Fang, L. ; Osipov, T. ; Murphy, B. ; Juranic, P. ; Kukk, E. ; Ueda, K. ; Feifel, R. ; van der Meulen, P. ; Salen, P. ; Schmidt, H. ; Thomas, R. ; Larsson, M. ; Richter, R. ; Prince, K.C. ; Bozek, J.D. ; Bostedt, C. ; Wada, S. ; Piancastelli,
Author_Institution :
Phys. Dept., Western Michigan Univ., Kalamazoo, MI, USA
Abstract :
We used the world first hard x-ray FEL to investigate the response of molecular systems to the ultraintense, femtosecond x-ray radiation. We report sequential multiphoton ionization, frustrated absorption and double core hole production mechanisms.
Keywords :
X-rays; molecule-photon collisions; multiphoton processes; double core hole production mechanisms; frustrated absorption; hard x-ray FEL; molecular systems; molecules; multiphoton ionization; ultraintense femtosecond X-ray radiation; ultraintense x-ray induced multiple ionization; Absorption; Atomic clocks; Ionization; Photonics; Production; Spectroscopy; X-ray imaging;