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Communication Dans Un Congrès Année : 1997

Capture and ionization cross sections in 10 MeV C5+ cluster-helium collisions

M. Chabot
  • Fonction : Auteur
D. Gardès
  • Fonction : Auteur
Dominique Vernhet
D. Jacquet
  • Fonction : Auteur
S. Della Negra
  • Fonction : Auteur
A. Brunelle
M. Nectoux
  • Fonction : Auteur
M. Pautrat
  • Fonction : Auteur
Y. Le Beyec
  • Fonction : Auteur

Résumé

Capture, single, double and triple ionization cross sections of 10 MeV C5+ clusters colliding with He atoms have been measured. This was achieved thanks to a new experimental set-up allowing for a complete collection and unambiguous identification of all the fragments emitted by the dissociative C5Q+ species (Q = 0 → 4). We use these results, together with similar cross sections obtained with identical velocity atomic projectiles (2 MeV C+ → He system), for testing a cluster-atom collision model based on a representation of the clusters in terms of independent atoms. Ionization is qualitatively and quantitatively accounted for by the model, but capture not.

Dates et versions

hal-00008793 , version 1 (16-09-2005)

Identifiants

Citer

K. Wohrer, M. Chabot, J. P Rozet, D. Gardès, Dominique Vernhet, et al.. Capture and ionization cross sections in 10 MeV C5+ cluster-helium collisions. THE 8th INTERNATIONAL CONFERENCE ON THE PHYSICS OF HIGHLY CHARGED IONS (HCI-1996), Sep 1996, Omiya, Saitama, Japan. pp.284-285, ⟨10.1088/0031-8949/1997/T73/093⟩. ⟨hal-00008793⟩
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