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Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics

Author

Listed:
  • A. Picón

    (Argonne National Laboratory)

  • C. S. Lehmann

    (Argonne National Laboratory
    Present address: Fachbereich Chemie, Philipps-Universität Marburg, Marburg, Germany.)

  • C. Bostedt

    (Argonne National Laboratory
    Northwestern University)

  • A. Rudenko

    (J.R. Macdonald Laboratory, Kansas State University)

  • A. Marinelli

    (SLAC National Accelerator Laboratory)

  • T. Osipov

    (SLAC National Accelerator Laboratory)

  • D. Rolles

    (J.R. Macdonald Laboratory, Kansas State University
    Deutsches Elektronen-Synchrotron (DESY))

  • N. Berrah

    (University of Connecticut)

  • C. Bomme

    (Deutsches Elektronen-Synchrotron (DESY))

  • M. Bucher

    (Argonne National Laboratory
    SLAC National Accelerator Laboratory)

  • G. Doumy

    (Argonne National Laboratory)

  • B. Erk

    (Deutsches Elektronen-Synchrotron (DESY))

  • K. R. Ferguson

    (SLAC National Accelerator Laboratory)

  • T. Gorkhover

    (SLAC National Accelerator Laboratory)

  • P. J. Ho

    (Argonne National Laboratory)

  • E. P. Kanter

    (Argonne National Laboratory)

  • B. Krässig

    (Argonne National Laboratory)

  • J. Krzywinski

    (SLAC National Accelerator Laboratory)

  • A. A. Lutman

    (SLAC National Accelerator Laboratory)

  • A. M. March

    (Argonne National Laboratory)

  • D. Moonshiram

    (Argonne National Laboratory)

  • D. Ray

    (SLAC National Accelerator Laboratory
    Lawrence Berkeley National Laboratory)

  • L. Young

    (Argonne National Laboratory)

  • S. T. Pratt

    (Argonne National Laboratory)

  • S. H. Southworth

    (Argonne National Laboratory)

Abstract

New capabilities at X-ray free-electron laser facilities allow the generation of two-colour femtosecond X-ray pulses, opening the possibility of performing ultrafast studies of X-ray-induced phenomena. Particularly, the experimental realization of hetero-site-specific X-ray-pump/X-ray-probe spectroscopy is of special interest, in which an X-ray pump pulse is absorbed at one site within a molecule and an X-ray probe pulse follows the X-ray-induced dynamics at another site within the same molecule. Here we show experimental evidence of a hetero-site pump-probe signal. By using two-colour 10-fs X-ray pulses, we are able to observe the femtosecond time dependence for the formation of F ions during the fragmentation of XeF2 molecules following X-ray absorption at the Xe site.

Suggested Citation

  • A. Picón & C. S. Lehmann & C. Bostedt & A. Rudenko & A. Marinelli & T. Osipov & D. Rolles & N. Berrah & C. Bomme & M. Bucher & G. Doumy & B. Erk & K. R. Ferguson & T. Gorkhover & P. J. Ho & E. P. Kant, 2016. "Hetero-site-specific X-ray pump-probe spectroscopy for femtosecond intramolecular dynamics," Nature Communications, Nature, vol. 7(1), pages 1-6, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11652
    DOI: 10.1038/ncomms11652
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