Universität zu Köln

Mueller, Holger S. P., Kobayashi, Kaori, Takahashi, Kazumasa, Tomaru, Kazuko and Matsushima, Fusakazu (2015). Terahertz spectroscopy of (NO)-O-18 and isotopic invariant fit of several nitric oxide isotopologs. J. Mol. Spectrosc., 310. S. 92 - 99. SAN DIEGO: ACADEMIC PRESS INC ELSEVIER SCIENCE. ISSN 1096-083X

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Abstract

A tunable far-infrared laser sideband spectrometer was used to investigate a nitric oxide sample enriched in 180 between 0.99 and 4.75 THz. Regular, electric dipole transitions were recorded between 0.99 and 2.52 THz, while magnetic dipole transitions between the (2)Pi(1/2) and (2)Pi(3/2) spin-ladders were recorded between 3.71 and 4.75 THz. These data were combined with lower frequency data of (NO)-O-18 (unlabeled atoms refer to N-14 and O-16, respectively), with rotational data of NO, (NO)-N-15, (NO)-O-17, and (NO)-N-15-O-18, and with heterodyne infrared data of NO to be subjected to one isotopic invariant fit. Rotational, fine and hyperfine structure parameters were determined along with vibrational, rotational, and Born-Oppenheimer breakdown corrections. The resulting spectroscopic parameters permit prediction of rotational spectra suitable for the identification of various nitric oxide isotopologs especially in the interstellar medium by means of rotational spectroscopy. (C) 2014 Elsevier Inc. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Mueller, Holger S. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kobayashi, Kaori UNSPECIFIED UNSPECIFIED UNSPECIFIED Takahashi, Kazumasa UNSPECIFIED UNSPECIFIED UNSPECIFIED Tomaru, Kazuko UNSPECIFIED UNSPECIFIED UNSPECIFIED Matsushima, Fusakazu UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-408026
DOI:	10.1016/j.jms.2014.12.002
Journal or Publication Title:	J. Mol. Spectrosc.
Volume:	310
Page Range:	S. 92 - 99
Date:	2015
Publisher:	ACADEMIC PRESS INC ELSEVIER SCIENCE
Place of Publication:	SAN DIEGO
ISSN:	1096-083X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HETERODYNE FREQUENCY MEASUREMENTS; RADIOFREQUENCY DOUBLE-RESONANCE; BORN-OPPENHEIMER APPROXIMATION; DIATOMIC-MOLECULES; ROTATIONAL SPECTROSCOPY; FUNDAMENTAL-BAND; MICROWAVE SPECTRUM; VIBRATION-ROTATION; COLOGNE DATABASE; SPIN-ORBIT Multiple languages Physics, Atomic, Molecular & Chemical; Spectroscopy Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/40802