Field-ionizing lens system for the detection of high Rydberg states in multicharged ions of keV energies

An experimental setup is described, which is used to multi-ionize neutral clusters and to study their stability and the importance of different decay processes. Clusters are ionized in collisions with slow multiply charged ions (projectile charge z ranging from 1 to 30, kinetic energies ranging from 1 to 20 keV/charge). Both ion and cluster beamlines, as well as the characteristics of the analysis and detection systems, are described. Collisions with highly charged ions such as Ar8+ or Xe30+ turn out to be efficient tools in preparing clusters in high charge states without increasing significantly their internal temperature. Measurements performed in coincidence with the number of electrons stabilized by the projectile ion after the collision allowed us to control the charge and the excitation energy of the ionized system. The efficiency of the method is demonstrated for sodium clusters and C60 molecules.

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Multiply charged cluster ion crossed-beam apparatus: Multi-ionization of clusters by ion impact

Bergen

Biquard

Brénac

et al. 1999

Review of Scientific Instruments

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Kinetic-energy release and fragment distribution of exploding, highly chargedC60molecules

et al. 2002

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Field-ionizing lens system for the detection of high Rydberg states in multicharged ions of keV energies

Abstract: Articles you may be interested inElectronic excitation and charge transfer processes in collisions between Mg (3 1 S 0 ) atoms and Rb + ( 1 S 0 ) ions in the 0.07-4.00 keV energy range

Cited by 2 publications

References 18 publications

Multiply charged cluster ion crossed-beam apparatus: Multi-ionization of clusters by ion impact

Multiply charged cluster ion crossed-beam apparatus: Multi-ionization of clusters by ion impact

Kinetic-energy release and fragment distribution of exploding, highly chargedC60molecules

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