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Enormous enhancement of molecular ionization at high x-ray intensity

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, , Citation L Inhester et al 2020 J. Phys.: Conf. Ser. 1412 152051 DOI 10.1088/1742-6596/1412/15/152051

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ludger.inhester@desy.de

Author affiliations

1 Center or Free-Electron Laser Science, DESY, Hamburg, 22607, Germany

2 The Hamburg Centre for Ultrafast Imaging, 22761 Hamburg, Germany

3 Department of Physics, University of Science and Technology Beijing, Beijing 100083, P. R. China

4 Department of Physics, Universität Hamburg, 20355 Hamburg, Germany

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1742-6596/1412/15/152051

Synopsis

The ultra-intense and ultra-short x-ray pulses provided by X-ray Free-Electron Lasers (XFELs) sequentially ionize molecular samples many times. In this context, we have recently discovered that under intense x-ray radiation the total charge of a molecule is enhanced compared to the sum of charges of its constituent isolated atoms[2, 3]. We report here on new theoretical results[5] for iodobenzene (C6H5I) that show an even stronger ionization enhancement than previously observed for iodomethane (CH3I)[3].

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10.1088/1742-6596/1412/15/152051