Determination of the charged particle beam energy/intensity uncertainties at multi-target irradiations

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To correct the uncertainties in multi-target measurements a systematic study was performed on calculation of energy losses and energy distribution after passing through several consequent targets. The exact knowledge of these data is very important in the case of the so-called stacked foil technique, where the number of consequent target-foils could reach even one hundred. Sample calculations were made demonstrating the cases from light ion into light target to heavy ion into heavy target. Monte-Carlo simulation code is used to determine the energy and intensity values of different bombarding beams by passing through different target materials of different thicknesses and number. The development of the particle spectra is plotted as a function of the number of targets (depth). Because in the case of excitation function tracing an average energy is defined for each foil, it is essential to know the necessary corrections as the function of the overall thickness of the foils passed through by the beam up to the foil in question.

Original languageEnglish
Pages (from-to)115-119
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Issue number1-4
Publication statusPublished - Apr 1 2002



  • Cross-section
  • Monte-Carlo simulation
  • Range
  • Stopping-power

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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