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Phys. Rev. A 69, 062904 (2004) [10 pages]

Coulomb-explosion imaging of CH2+: Target-polarization effects and bond-angle distribution

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L. Lammich, H. Buhr, H. Kreckel, S. Krohn, M. Lange, D. Schwalm, R. Wester, and A. Wolf
Max-Planck-Institut für Kernphysik, 69117 Heidelberg, Germany

D. Strasser, D. Zajfman, and Z. Vager
Weizmann Institute of Science, 76100 Rehovot, Israel

I. Abril
Departament de Física Aplicada, Universitat d’Alacant, Apartat 99, E-03080 Alacant, Spain

S. Heredia-Avalos and R. Garcia-Molina
Departamento de Física, Universidad de Murcia, Apartado 4021, E-30080 Murcia, Spain

Received 30 January 2004; published 15 June 2004

The effect of target polarization fields on the bond-angle distribution following the foil-induced Coulomb explosion of CH2+ has been measured. Incorporating a detailed model description of the polarization effects and other target effects into a Monte Carlo simulation of the experiment, a good description of the various observables is obtained. In particular, the bond-angle distribution is found to agree with existing ab initio calculations.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.69.062904
DOI:
10.1103/PhysRevA.69.062904
PACS:
34.50.Bw, 33.15.Dj