Application of the Mass Spectrometer to the Study of the Upper Energy States of Molecules
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- J. D. Morrison
- Department of Physics, University of Chicago, Chicago, Illinois
書誌事項
- 公開日
- 1957-12-01
- DOI
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- 10.1063/1.1722668
- 公開者
- AIP Publishing
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説明
<jats:p>It is claimed that the poor agreement often found between the energy quantities measured by mass spectrometry, and those obtained by other methods, is due in large part to the interpretation of the experimental data. The conditions necessary for accurate measurement are summarized.</jats:p> <jats:p>It is shown that by making certain assumptions about the probability of ionization for different processes, ionization efficiency curves can be interpreted to give the probabilities for electronic transitions from the ground state to the various ionic states of molecules. From these electronic transition probabilities, information can be deduced about the potential energy functions for these upper states.</jats:p> <jats:p>To exploit the method fully, beams of ionizing particles with low spreads in energy are necessary. Electron and photon impact are compared, and it is shown that the latter possesses many advantages.</jats:p>
収録刊行物
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- Journal of Applied Physics
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Journal of Applied Physics 28 (12), 1409-1413, 1957-12-01
AIP Publishing