Radiofrequency multipole traps: Tools for spectroscopy and dynamics of cold molecular ions - Physics > Atomic PhysicsReport as inadecuate




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Abstract: Multipole radiofrequency ion traps are a highly versatile tool to studymolecular ions and their interactions in a well-controllable environment. Inparticular the cryogenic 22-pole ion trap configuration is used to studyion-molecule reactions and complex molecular spectroscopy at temperaturesbetween few Kelvin and room temperatures. This article presents a tutorial onradiofrequency ion trapping in multipole electrode configurations. Stabletrapping conditions and buffer gas cooling, as well as important heatingmechanisms, are discussed. In addition, selected experimental studies on cationand anion-molecule reactions and on spectroscopy of trapped ions are reviewed.Starting from these studies an outlook on the future of multipole ion trapresearch is given.



Author: Roland Wester

Source: https://arxiv.org/







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