期刊
PHYSICAL REVIEW A
卷 78, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.78.051401
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- BES
- DOE
- CSGB divisions
The fragmentation dynamics of CO2 molecules subsequent to K-shell photoexcitation and ionization was studied using a multicoincidence ion momentum imaging technique. The detailed analysis via fragment momentum correlation plots (Newton diagrams) clearly reveals concurrent fragmentation mechanisms for the three-body dissociation of CO(2)2+ into C++O++O, for both linear and bent geometry states of CO(2)2+. The experimental results are supported by a classical trajectory simulation based on a Coulomb explosion model, which elucidates energy and angular correlations between fragments for different fragmentation processes.
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