Hübers, H.-W. and Kenneth, M. E. and Hill, Ch. and Brown, J. M. (2009) The rotational spectrum of the NH+ radical in its X²∏ and a4∑- states. Journal of Chemical Physics, 131 (034311-1). American Institute of Physics (AIP). doi: 10.1063/1.3160964. ISSN 0021-9606.
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Abstract
Transitions between the spin-rotational levels of the 14NH+ radical in the υ=0 levels of its X ²∏ and α 4Σ- states have been studied by the technique of laser magnetic resonance at far-infrared wavelength. The data have been combined with a previous zero-field measurement of the J=1½-½ transition frequencies at 1.01 THz to determine much improved set of molecular parameters for NH+ in the X ²∏ state; the major parameters for the α 4Σ- state also been determined. A full determination of the hyperfine parameters for both 14N and 1H nuclei has been achieved for the first time. Accurate predictions of the transition frequencies between the low-lying levels of the radical in the absence of a magnetic field have also been made, including lambda-doubling frequencies for use by radio astronomers.
Item URL in elib: | https://elib.dlr.de/60377/ | |||||||||||||||
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Document Type: | Article | |||||||||||||||
Title: | The rotational spectrum of the NH+ radical in its X²∏ and a4∑- states | |||||||||||||||
Authors: |
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Date: | 21 July 2009 | |||||||||||||||
Journal or Publication Title: | Journal of Chemical Physics | |||||||||||||||
Refereed publication: | Yes | |||||||||||||||
Open Access: | No | |||||||||||||||
Gold Open Access: | No | |||||||||||||||
In SCOPUS: | Yes | |||||||||||||||
In ISI Web of Science: | Yes | |||||||||||||||
Volume: | 131 | |||||||||||||||
DOI: | 10.1063/1.3160964 | |||||||||||||||
Publisher: | American Institute of Physics (AIP) | |||||||||||||||
ISSN: | 0021-9606 | |||||||||||||||
Status: | Published | |||||||||||||||
Keywords: | Terahertz, molecular spectroscopy, lasermagnetic resonance | |||||||||||||||
HGF - Research field: | Aeronautics, Space and Transport (old) | |||||||||||||||
HGF - Program: | Space (old) | |||||||||||||||
HGF - Program Themes: | W EW - Erforschung des Weltraums | |||||||||||||||
DLR - Research area: | Space | |||||||||||||||
DLR - Program: | W EW - Erforschung des Weltraums | |||||||||||||||
DLR - Research theme (Project): | W - Vorhaben Extrasolare Planeten (old) | |||||||||||||||
Location: | Berlin-Adlershof | |||||||||||||||
Institutes and Institutions: | Institute of Planetary Research > Extrasolar Planets and Atmospheres | |||||||||||||||
Deposited By: | Hübers, Dr. Heinz-Wilhelm | |||||||||||||||
Deposited On: | 02 Nov 2009 10:15 | |||||||||||||||
Last Modified: | 08 Mar 2018 18:42 |
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