Sustained off-resonance irradiation

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IUPAC RECOMMENDATIONS 2013
Sustained off-resonance irradiation
Procedure associated with Fourier transform-ion cyclotron resonance-mass spectrometers to facilitate ion/neutral reactions such as low-energy collision-induced dissociation in which a radio-frequency electric field, slightly off-resonance with respect to the cyclotron frequency of the reactant ion, cyclically accelerates and decelerates the reactant ion that is confined in the Penning ion trap. As a consequence, the orbit does not exceed the dimensions of the ion trap but maintains a high average translational energy for an extended time that activates an ion/neutral process.
Related Term(s):
Reference(s):

J. W. Gauthier, T. R. Trautman, D. B. Jacobson. Anal. Chim. Acta 246, 211 (1991). (http://dx.doi.org/10.1016/S0003-2670(00)80678-9 )

From Definitions of Terms Relating to Mass Spectrometry (IUPAC Recommendations 2013); DOI: 10.1351/PAC-REC-06-04-06 © IUPAC 2013.

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