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  Precision Measurements and Computations of Transition Energies in Rotationally Cold Triatomic Hydrogen Ions up to the Midvisible Spectral Range

Pavanello, M., Adamowicz, L., Alijah, A., Zobov, N. F., Mizus, I. I., Polyansky, O. L., et al. (2012). Precision Measurements and Computations of Transition Energies in Rotationally Cold Triatomic Hydrogen Ions up to the Midvisible Spectral Range. Physical Review Letters, 108(2): 023002, pp. 1-5. doi:10.1103/PhysRevLett.108.023002.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-4510-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-4511-7
Genre: Journal Article

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http://link.aps.org/doi/10.1103/PhysRevLett.108.023002 (Publisher version)
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 Creators:
Pavanello, Michele1, Author
Adamowicz, Ludwik1, Author
Alijah, Alexander2, Author
Zobov, Nikolai F.3, Author
Mizus, Irina I.3, Author
Polyansky, Oleg L.3, Author
Tennyson, Jonathan4, Author
Szidarovszky, Tamás5, Author
Császár, Attila G.5, Author
Berg, Max6, Author           
Petrignani, Annemieke6, Author           
Wolf, Andreas6, Author           
Affiliations:
1Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721, USA, ou_persistent22              
2GSMA, UMR CNRS 7731, Université de Reims Champagne-Ardenne, U.F.R. Sciences Exactes et Naturelles, 51687 Reims Cedex 2, France, ou_persistent22              
3Institute of Applied Physics, Russian Academy of Science, Ulyanov Street 46, Nizhnii Novgorod, Russia 603950, ou_persistent22              
4Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom, ou_persistent22              
5Laboratory of Molecular Spectroscopy, Institute of Chemistry, Eötvös University, H-1518 Budapest 112, P.O. Box 32, Hungary, ou_persistent22              
6Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              

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 Abstract: First-principles computations and experimental measurements of transition energies are carried out for vibrational overtone lines of the triatomic hydrogen ion H3+ corresponding to floppy vibrations high above the barrier to linearity. Action spectroscopy is improved to detect extremely weak visible-light spectral lines on cold trapped H3+ ions. A highly accurate potential surface is obtained from variational calculations using explicitly correlated Gaussian wave function expansions. After nonadiabatic corrections, the floppy H3+vibrational spectrum is reproduced at the 0.1  cm-1 level up to 16 600  cm-1.

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Language(s): eng - English
 Dates: 2012-01-11
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.108.023002
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.
Pages: - Volume / Issue: 108 (2) Sequence Number: 023002 Start / End Page: 1 - 5 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406