Photoionization of ions with synchrotron radiation: From ions in space to atoms in cages

Abstract

The photon-ion merged-beams technique for the photoionization of mass/charge selected ionized atoms, molecules and clusters by x-rays from synchrotron radiation sources is introduced. Examples for photoionization of atomic ions are discussed by going from outer-shell ionization of simple few-electron systems to inner-shell ionization of complex many-electron ions. Fundamental ionization mechanisms are elucidated and the importance of the results for applications in astrophysics and plasma physics is pointed out. Finally, the unique capabilities of the photon-ion merged-beams technique for the study of photoabsorption by nanoparticles are demonstrated by the example of endohedral fullerene ions.

19 pages, 16 figures

References in corpus (9)

• Absolute cross sections for photoionization of Xe${}^{q+}$ ions (1 $\le$ q $\le$ 5) at the 3d ionization threshold
• Recombination of W18+ ions with electrons: Absolute rate coefficients from a storage-ring experiment and from theoretical calculations
• Electron-ion merged-beam experiments at heavy-ion storage rings
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• An Efficient, Movable Single-Particle Detector for Use in Cryogenic Ultra-High Vacuum Environments
• Photoionization of the valence shells of the neutral tungsten atom
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Cited by in corpus (9)

• Prominent role of multi-electron processes in K-shell double and triple photodetachment of oxygen anions
• Multiple photodetachment of carbon anions via single and double core-hole creation
• Photoionization of astrophysically relevant atomic ions at PIPE
• Multiple photodetachment of atomic anions via single and double core-hole creation
• Near K-Edge Photoionization and Photoabsorption of Singly, Doubly, and Triply Charged Silicon Ions
• Single-particle detection of products from atomic and molecular reactions in a cryogenic ion storage ring
• Photoionisation of Ca${}^{+}$ ions in the valence-energy region 20$\sim$eV~--~56$\sim$eV : experiment and theory
• Single-photon photoionization of oxygen-like Ne III
• Multiple Photodetachment of Oxygen Anions via K-Shell Excitation and Ionization: Direct Double-Detachment Processes and Subsequent Deexcitation Cascades