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  Multi-resonance effects within a single chirp in broadband rotational spectroscopy: The rapid adiabatic passage regime for benzonitrile

Schmitz, D., Shubert, V. A., Betz, T., & Schnell, M. (2012). Multi-resonance effects within a single chirp in broadband rotational spectroscopy: The rapid adiabatic passage regime for benzonitrile. Journal of Molecular Spectroscopy, 280, 77-84. doi:10.1016/j.jms.2012.08.001.

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http://dx.doi.org/10.1016/j.jms.2012.08.001 (Verlagsversion)
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 Urheber:
Schmitz, David1, 2, 3, Autor           
Shubert, V. Alvin1, 3, Autor
Betz, Thomas1, 3, Autor
Schnell, Melanie1, 3, Autor           
Affiliations:
1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Societ, ou_904547              
2International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              
3Center for Free-Electron Laser Science, Notkestrasse 85, 22607 Hamburg, Germany, ou_persistent22              

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Schlagwörter: Broadband rotational spectroscopy; Double resonance; Chirped pulse; Rapid-adiabatic passage
 Zusammenfassung: We report here pronounced, stepwise multi-resonance excitations in benzonitrile arising from a single 1 μs broadband 2–8.3 GHz microwave chirp, observed with our new chirped-pulse broadband rotational spectrometer, COMPACT. Such multi-resonance excitations significantly alter the relative intensity patterns and are a strong indication that, for the given experimental conditions and using benzonitrile as a polar test molecule (μA = 4.5152 D), the rapid adiabatic passage (RAP) regime for strong coupling must be applied. This finding is contrary to previous discussions of chirped-pulse rotational spectroscopy, where the linear fast passage regime of weak coupling has been assumed.

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Sprache(n): eng - English
 Datum: 2012-102012-08-142012-10
 Publikationsstatus: Erschienen
 Seiten: 8
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.jms.2012.08.001
 Art des Abschluß: -

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Titel: Journal of Molecular Spectroscopy
  Andere : JMS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: San Diego [etc.] : Academic Press
Seiten: - Band / Heft: 280 Artikelnummer: - Start- / Endseite: 77 - 84 Identifikator: ISSN: 0022-2852
CoNE: https://pure.mpg.de/cone/journals/resource/954922646043