Measurements of the stopping forces for heavy ions in Ge, Ag and Au using novel 'polka-dot' detectors

T D M Weijers-Dall, H Timmers, Kristina Stenström, Per Persson, A Pergjegjaj, X Wang, Mariusz Graczyk, T Osipowicz, M Q Ren, D J O'Connor, Harry J Whitlow

Research output: Contribution to journalArticlepeer-review

Abstract

Measurements of the stopping forces for C-14, N-14 and O-16 ions in Ge and Au, for N-14 and F-19 ions in Ag, as well as for F-19 ions in Au have been made, respectively. A novel technique, reported recently, using PIN diodes coated directly with the stopping medium in a polka dot pattern was used. This provided a set of precise, self-consistent measurements on the same stopping medium. Results show small but significant deviations from SRIM stopping predictions and are also compared to a recently-developed empirical stopping force predictor.
Original languageEnglish
Pages (from-to)352-360
JournalNuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
Volume251
Issue number2
DOIs
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Condensed Matter Physics
  • Subatomic Physics

Free keywords

  • stopping power
  • energy loss
  • stopping force

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