A new normalization method for electron collision cross sections measured using skimmed supersonic jet beams
Crossed electron-molecular beam experiments featuring skimmed nozzle beams may be used to study electron interactions with species such as radicals, excited molecules and biomolecules. A new technique for placing measured cross sections on an absolute scale is reported, as the traditional relative flow method used for effusive molecular beams does not apply to skimmed supersonic jet beams. Absolute cross sections for Ar and CF4, using this new procedure, are measured and compared to previous...[Show more]
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|Source:||Measurement Science and Technology|
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