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

L. Lammich*, H. Buhr, H. Kreckel, S. Krohn, M. Lange, D. Schwalm, R. Wester, A. Wolf, D. Strasser, D. Zajfman, Z. Vager, I. Abril, S. Heredia-Avalos, R. Garcia-Molina

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


The target-polarization effects and bond-angle distribution P(ρ V), which were followed by the foil-induced Coulomb explosion imaging (CEI) of CH2+ were analyzed. At target with thickness of 0.8 μg/cm2 and 1.5 μg/cm2, the normalized bond-angle distributions were measured. The probability distributions of P(ρV) were found to be sharper for the thinner of the targets due to the reduction of polarization and scattering effects in the foil. The geometry of the CH2+ molecular ion was described by using the R-space structure.

Original languageAmerican English
Article number062904
Pages (from-to)062904-1-062904-10
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number6
StatePublished - Jun 2004
Externally publishedYes

Bibliographical note

Funding Information:
This work has been supported in part by the German-Israel Foundation for Scientific Research (GIF) under Contract No. I-707-55.7/2001, the Spanish Ministerio de Ciencia y Tecnología (Project Nos. BFM2003-04457-C02-01/02 and HA2001-0052), the DAAD in the framework of the Acciones Integrados Program 2002/03, and the European Community within the Research Training Network “Electron Transfer Reactions.” One of the authors (S.H.A.) thanks the Fundación Cajamurcia for a Postdoctoral Grant.


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