PMID: 15245220Jul 13, 2004Paper

Measurement of Cu K-shell and Ag L-shell ionization cross sections by low-energy positron impact

Physical Review Letters
Yasuyuki NagashimaToshio Hyodo

Abstract

Inner shell ionization cross sections by low-energy positron impact have been measured. Development of an x-ray detector with thin Si(Li) crystals has enabled the first measurements of the absolute cross sections for the positron impacts in the energy range below 30 keV. Threshold behavior of the measured cross sections for the Cu K shell and Ag L shell are compared with the theoretical results of Gryzinski and Kowalski [Phys. Lett. A 183, 196 (1993)]] and Khare and Wadehra [Can. J. Phys. 74, 376 (1996)]]. Good agreement has been found for the Cu K shell, while the experimental values for the Ag L shell were found to be smaller than the corresponding theoretical results.

References

Nov 21, 1988·Physical Review Letters·W N LennardL R Logan
Oct 25, 1993·Physical Review Letters·H SchneiderR Hippler

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Citations

Jul 9, 2013·Applied Radiation and Isotopes : Including Data, Instrumentation and Methods for Use in Agriculture, Industry and Medicine·Hamid Saeed RazaSung Oh Cho
Jul 18, 2009·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Toshitaka OkaMasanori Fujinami

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