Molecular H sub 2 in intense laser fields probed by electron-electron, electron-ion, and ion-ion covariance techniques

The techniques of electron-electron and electron-ion covariance mapping have been used to confirm that a laser of modest rise time ({similar to}1 ps) and focused intensity ({similar to}10{sup 15} W/cm{sup 2}) will doubly ionize {ital H}{sub 2} molecules in a sequential manner. This stepwise behavior...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1992-12, Vol.46:11
Main Authors: Frasinski, L.J., Stankiewicz, M., Hatherly, P.A., Cross, G.M., Codling, K., Langley, A.J., Shaikh, W.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
COLLISIONS
DATA
ELECTRIC FIELDS
ELECTROMAGNETIC RADIATION
ELECTRON COLLISIONS
ELECTRON-ELECTRON INTERACTIONS
ELECTRON-ION COLLISIONS
ELEMENTS
EXPERIMENTAL DATA
HYDROGEN
INFORMATION
INTERACTIONS
ION COLLISIONS
IONIZATION
LASER RADIATION
LEPTON-LEPTON INTERACTIONS
MAPPING
MEASURING METHODS
NONMETALS
NUMERICAL DATA
PARTICLE INTERACTIONS
PHOTOIONIZATION
PROTON SPECTRA
RADIATIONS
SPECTRA 664200 > Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
TIME-OF-FLIGHT METHOD
VISIBLE SPECTRA
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Summary:The techniques of electron-electron and electron-ion covariance mapping have been used to confirm that a laser of modest rise time ({similar to}1 ps) and focused intensity ({similar to}10{sup 15} W/cm{sup 2}) will doubly ionize {ital H}{sub 2} molecules in a sequential manner. This stepwise behavior manifests itself in structureless features on the electron-electron maps. However, the technique can be employed to search for correlated emission of two or more electrons in more complex systems. Electron-ion maps, on the other hand, can apportion the electrons in a typical photoelectron spectrum to the parent ions and to fragment ions of all energies.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.46.R6789