Charge exchange and stopping power of channeled heavy ions

T. Azuma, K. Komaki, Y. Yamazaki, N. Kakutani, S. Ninomiya, K. Maki, T. Takahira, M. Sekiguchi, T. Hattori, T. Hasegawa

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We investigated the exit charge, scattering angle and energy loss distribution of heavy ions (30 MeV carbon) planar channeled in a thin crystal. We measured, in a list mode, exit charge qex, scattering angle θex with respect to the (110) channeling plane, and energy loss ΔE, for each heavy ion of incident charge qin and incident angle θin, and obtained a distribution Y(θsc,qex,ΔE;θin,q in). As a single crystal, we adopted a thin totally depleted Si detector of 4 μm in thickness, and we measured the energy loss by the signal of the detector itself. After passing through the sample crystal, the exit charge and angle of the ions were measured with a 2D position sensitive detector coupled with a slit and an electrostatic deflector. Close correlations among the exit charge, energy loss and exit angle were found.

Original languageEnglish
Pages (from-to)306-309
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Issue number1-4
Publication statusPublished - 1996 Jul
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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