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Journal Article

Dominant Secondary Nuclear Photoexcitation with the X-ray Free Electron Laser

MPS-Authors
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Gunst,  Jonas
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Keitel,  Christoph H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

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Pálffy,  Adriana
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

Fulltext (public)

1309.5835.pdf
(Preprint), 195KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Gunst, J., Litvinov, Y. A., Keitel, C. H., & Pálffy, A. (2014). Dominant Secondary Nuclear Photoexcitation with the X-ray Free Electron Laser. Physical Review Letters, 112(8): 082501. doi:10.1103/PhysRevLett.112.082501.


Cite as: http://hdl.handle.net/11858/00-001M-0000-001A-0DEF-8
Abstract
The new regime of resonant nuclear photoexcitation rendered possible by x-ray free electron laser beams interacting with solid state targets is investigated theoretically. Our results unexpectedly show that secondary processes coupling nuclei to the atomic shell in the created cold high-density plasma can dominate direct photoexcitation. As an example we discuss the case of $^{93m}$Mo isomer depletion for which nuclear excitation by electron capture as secondary process is shown to be orders of magnitude more efficient than the direct laser-nucleus interaction. General arguments revisiting the role of the x-ray free electron laser in nuclear experiments involving solid-state targets are further deduced.