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Ultraintense x-ray induced ionization, dissociation, and frustrated absorption in molecular nitrogenHoener, M; Fang, L; Kornilov, O; Gessner, O; Pratt, S T; Gühr, M; Kanter, E P; Blaga, C; Bostedt, C; Bozek, J D; Bucksbaum, P H; Buth, C; Chen, M; Coffee, R; Cryan, J; Dimauro, L; Glownia, M; Hosler, E; Kukk, E; Leone, S R; McFarland, B; Messerschmidt, M; Murphy, B; Petrovic, V; Rolles, D; Berrah, N
Physical review letters, 2010-Jun-25, Letnik: 104, Številka: 25Journal Article
Sequential multiple photoionization of the prototypical molecule N2 is studied with femtosecond time resolution using the Linac Coherent Light Source (LCLS). A detailed picture of intense x-ray induced ionization and dissociation dynamics is revealed, including a molecular mechanism of frustrated absorption that suppresses the formation of high charge states at short pulse durations. The inverse scaling of the average target charge state with x-ray peak brightness has possible implications for single-pulse imaging applications.
