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A New Concept: The Fast Preequilibrium Charge State of Swift Ions in Solids

  • M. Benguerba
  • A. Brunelle
  • S. Della-Negra
  • J. Depauw
  • H. Joret
  • Y. Le Beyec
  • E. Da Silveira
  • G. Maynard
Part of the NATO ASI Series book series (NSSB, volume 269)

Abstract

It is shown that fast ions of 127I travelling through carbon foils reach very rapidly an equilibrium charge state which is independent of the initial charge state. The full equilibration, corresponding to a higher charge state value, is achieved for much larger thickness of material traversed. This fast equilibrated process introduces the concept of “fast preequilibrium charge state” theoretically predicted by G. Maynard. H+ secondary ion yields are used to determine the charge state inside and outside the solid.

Keywords

Charge State High Charge State Carbon Foil Exit Surface Desorption Yield 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • M. Benguerba
    • 1
  • A. Brunelle
    • 1
  • S. Della-Negra
    • 1
  • J. Depauw
    • 1
  • H. Joret
    • 1
  • Y. Le Beyec
    • 1
  • E. Da Silveira
    • 2
  • G. Maynard
    • 3
  1. 1.Institut de Physique NucléaireOrsay CedexFrance
  2. 2.Physics DepartmentP.U.C.Rio de JaneiroBrazil
  3. 3.L.P.G.P.Université Paris SudOrsay CedexFrance

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