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Observation of higher order quadrupole excitation frequencies in a linear ion trap

TitleObservation of higher order quadrupole excitation frequencies in a linear ion trap
Publication TypeJournal Article
Year of Publication2000
AuthorsCollings, BA, Douglas, DJ
JournalJournal of the American Society for Mass Spectrometry
Volume11
Pagination1016-1022
Date PublishedNov
Type of ArticleArticle
ISBN Number1044-0305
KeywordsCLOUD, PAUL TRAP, RESONANCE EXCITATION, SIMULATION
Abstract

{The resonant frequencies for quadrupole excitation of ions confined with a buffer gas in a linear quadrupole ion trap with Mathieu parameters a = 0 and q approximate to 0.36 have been measured. The resonances are predicted to occur at angular frequencies omega (K)(n) given by omega (K)(n) = (Omega /K)\n + beta\ without the presence of a buffer gas where Omega is the angular frequency of the trapping radio frequency
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