Vibrational and rotational spectroscopy in cryogenic ion traps

Brünken, Sandra

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https://hdl.handle.net/2142/100455 Copy

Description

Title

Vibrational and rotational spectroscopy in cryogenic ion traps

Author(s)

Brünken, Sandra

Contributor(s)

• Schlemmer, Stephan
• Asvany, Oskar
• Jusko, Pavol
• Redlich, Britta

Issue Date

2018-06-21

Keyword(s)

Plenary

Abstract

Reactive molecular ions play a central role in the chemistry of the interstellar medium and in planetary atmospheres. Spectroscopic studies of these often elusive ions yield fundamental insights on their geometrical and electronic structure, and provide vibrational and rotational signatures needed for their identification in space. Cryogenic ion traps have proven to be ideal tools for the development of sensitive spectroscopic schemes of mass-selected, cold, and isolated molecular ions. Recent progress on these so-called action spectroscopic methods allows not only to probe electronic and vibrational excitation processes, but also to record high-resolution purely rotational molecular spectraa , which are a direct prerequisite for radio-astronomical detections of new species in space as will be demonstrated with selected examples. In addition, details of broadband infrared experiments on several astrophysically important hydrocarbon cations ranging in size from comparatively small systems (e.g., C2H +, C3H + 2 , and C3H +) to PAH cations will be given, using the unique combination of a cryogenic ion trap instrumentb interfaced to the free electron lasers at the FELIX Laboratory.

Publisher

International Symposium on Molecular Spectroscopy

Type of Resource

text

Language

eng

Permalink

http://hdl.handle.net/2142/100455

DOI

10.15278/isms.2018.RA01

Copyright and License Information

Copyright 2018 Sandra Brünken

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