Difference between revisions of "Low energy collision"

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Low-energy collisions are typical in the 1-100eV range and occur in [[quadrupole|quadrupoles]], [[Ion Trap|ion traps]] and [[Hybrid Mass Spectrometer|hybrid instruments]].  The ion excitation is mainly vibrational and the choice of the collision gas is much more important than for [[High Energy Collision|high-energy collisions]]. For low energy collisions heavier gases are preferred since the energy transfer is greater which in turn leads to more fragmentation.
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A collision between an ion and neutral species with translational energy approximately 1000 eV or lower.
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Latest revision as of 01:39, 12 April 2014

DRAFT DEFINITION
Low energy collision
A collision between an ion and neutral species with translational energy approximately 1000 eV or lower.
Related Term(s): Low-energy collision-induced dissociation
Reference(s):
This is an unofficial draft definition presented for information and comment.

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