Continuous backgrounds in heavy-ion induced X-ray emission

K. Ishii, K. Maeda, M. Takami, Y. Sasa, M. Uda, S. Morita

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

We report here continuous X-rays emitted from targets bombarded with Si3+ ion beams of 1.435 MeV/amu over the range of target-atomic number ZT = 6-29. It is shown that the production cross sections of continuous X-rays can be well scaled with a function of the product of the K-shell radius of the united atom and the minimum transfer momentum of the projectile while MO X-ray spectra are scaled with the K X-ray energy of the united atom. These continuous X-rays may be interpreted as bremsstrahlung produced from a united atom which is formed by a projectile ion and a target atom during collision; we call this radiation united-atomic bremsstrahlung. In consideration of this continuous background, we discuss utility of a trace element analysis with high energy heavy-ion beams especially for analysis of chemical states by using a crystal spectrometer.

Original languageEnglish
Pages (from-to)73-76
Number of pages4
JournalNuclear Inst. and Methods in Physics Research, B
Volume75
Issue number1-4
DOIs
Publication statusPublished - 1993 Apr 3

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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