Vertical ionization

From Mass Spec Terms
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DRAFT DEFINITION
Vertical ionization

A process in which an electron is removed from or added to a molecule without a change in the positions of the atoms. The resulting ion is typically in an excited vibrational state.

Considered between 2004 and 2006 but not included in the 2006 PAC submission
This is an unofficial draft definition presented for information and comment.

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Orange Book Entry

This is a process whereby an electron is removed from a molecule in its ground or an excited state so rapidly that a positive ion is produced without change in the positions or momenta of the atoms. The resultant ion is often in an excited state.

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