Excited-state evolution probed by convoy-electron emission in relativistic heavy-ion collisions

Y. Takabayashi, T. Ito, T. Azuma, K. Komaki, Y. Yamazaki, H. Tawara, E. Takada, T. Murakami, M. Seliger, K. Tökési, C. O. Reinhold, J. Burgdörfer

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Abstract

A joint experimental and theoretical study of the charge-state evolution and energy spectra of electrons ejected in forward direction in collisions of 390 MeV/u Ar17+ and 460 MeV/u Fe25+,24+,23+ ions with carbon foils of various thicknesses is presented. Due to the high charge, high projectile energies, and a wide range of thicknesses the path of sequential excitation and ionization of an initially bound electron could be followed-for ion-solid collisions-in unprecedented detail. The buildup of excited states is, through the narrowing of the Compton profile, clearly reflected in the narrowing of the convoy peak.

Original languageEnglish
Pages (from-to)042703/1-042703/12
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume68
Issue number4 A
Publication statusPublished - Oct 1 2003

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Takabayashi, Y., Ito, T., Azuma, T., Komaki, K., Yamazaki, Y., Tawara, H., Takada, E., Murakami, T., Seliger, M., Tökési, K., Reinhold, C. O., & Burgdörfer, J. (2003). Excited-state evolution probed by convoy-electron emission in relativistic heavy-ion collisions. Physical Review A - Atomic, Molecular, and Optical Physics, 68(4 A), 042703/1-042703/12.