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projects:bif-monitor:current_research:profile_quality [2008/08/13 15:31] frank |
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- | However, to measure beam profiles of sub cm or even sub mm beams (close to targets) with tolarable errors, gas dynamics and lifetimes of the relevant states have to be investigated. The particle displacement can be estimated as in the terms below. All free parameters as the lifetime (Tau), particle mass (M) and the mean ionization state are specific for a certain gas species. Further information you find [[projects: | + | However, to measure beam profiles of sub cm or even sub mm beams (close to targets) with tolarable errors, gas dynamics and lifetimes of the relevant states have to be investigated. The particle displacement can be estimated as in the terms below. All free parameters as the lifetime (Tau), particle mass (M) and the mean ionization state are specific for a certain gas species. Further information you find [[projects: |
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