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Investigation of PbMg target characteristics by a laser mass-spectrometer


Characteristics of two-element (PbMg) laser generated plasma ions were studied using a mass-spectrometer. It was found that increasing the fraction of Mg leads to widening of the energy spectra of Pb ions by more than a factor of two, while the intensity of Pb ions of all charge states does not depend on the Mg fraction. This effect is explained by the friction existing between light and heavy ions during their expansion away from the target.

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Address correspondence and reprint requests to: R. T. Khaydarov, Scientific Research Institute of Applied Physics, National University of Uzbekistan, Taskent 700174, Usbekistan. E-mail:
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Laser and Particle Beams
  • ISSN: 0263-0346
  • EISSN: 1469-803X
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