Toepfer, Matthias, Salomon, Thomas, Kohguchi, Hiroshi ORCID: 0000-0001-9684-1258, Dopfer, Otto, Yamada, Koichi M. T., Schlemmer, Stephan ORCID: 0000-0002-1421-7281 and Asvany, Oskar (2018). Double Resonance Rotational Spectroscopy of Weakly Bound Ionic Complexes: The Case of Floppy CH3+-He. Phys. Rev. Lett., 121 (14). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

A novel rotational spectroscopy method applicable to ions stored in cold traps is presented. In a double resonance scheme, rotational excitation is followed by vibrational excitation into a dissociative resonance. Its general applicability is demonstrated for the CH3+-He complex, which undergoes predissociation through its C-H stretching modes nu(1) and nu(3). High resolution rotational transitions are recorded for this symmetric top, and small unexpected splittings are resolved for K = 1. Advantages and potential future applications of this new approach are discussed.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Toepfer, MatthiasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Salomon, ThomasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kohguchi, HiroshiUNSPECIFIEDorcid.org/0000-0001-9684-1258UNSPECIFIED
Dopfer, OttoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yamada, Koichi M. T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schlemmer, StephanUNSPECIFIEDorcid.org/0000-0002-1421-7281UNSPECIFIED
Asvany, OskarUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-171542
DOI: 10.1103/PhysRevLett.121.143001
Journal or Publication Title: Phys. Rev. Lett.
Volume: 121
Number: 14
Date: 2018
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
INFRARED PREDISSOCIATION SPECTRA; HIGH-RESOLUTION SPECTROSCOPY; AB-INITIO CALCULATIONS; CLUSTER IONS; PHOTODISSOCIATION SPECTRA; METHYL CATION; 4 K; TRAP; MICROSOLVATION; HYDROGENMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/17154

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