dc.creator Drouin, Brian J. en_US dc.creator Gupta, Harshal en_US dc.creator Yu, Shanshan en_US dc.creator Miller, Charles E. en_US dc.creator Muller, Holger S. P. en_US dc.date.accessioned 2012-07-09T19:20:00Z dc.date.available 2012-07-09T19:20:00Z dc.date.issued 2012 en_US dc.identifier 2012-TA-05 en_US dc.identifier.uri http://hdl.handle.net/1811/52337 dc.description Author Institution: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109-8099; I. Physikalisches Institut, Universitat zu Koln, Zulpicher Str. 77, D-50937, Koln, Germany en_US dc.description.abstract As part of a comprehensive review on molecular oxygen spectroscopy we have measured rotational spectra of isotopic forms of molecular oxygen in its $a^1\Delta_g$ electronic state with high resolution THz spectroscopy. A previously described static discharge cell has been utilized to record spectra of rare isotopologues of excited oxygen$^1$. In this work the data set is extended to include all of the $^{17}$O substituted isotopologues of O$_2$ $^1\Delta$. The spectral features were detected in close proximity to predicted positions. Due to the high resolution and good signal to noise ratio, the fundamental hyperfine parameters $eQq$ and $C_I$ are determinable for $^{17}$O substituted species for the first time. A refined nuclear spin-orbit coupling constant, $a = -211.9328(283)$ MHz, was determined, and is roughly two orders of magnitude more precise than values determined from near infrared spectroscopy or electron spin resonance studies. Weak signals of vibrationally excited oxygen in the $a^1\Delta_g$ electronic state were also observable for many of the rotational transitions. \\ $^1$ H. Gupta, S. Yu, B.J. Drouin, C.E. Miller - RC03, International Symposium on Molecular Spectroscopy, Ohio State University, 2010.\\ en_US dc.language.iso en en_US dc.publisher Ohio State University en_US dc.title THE ROTATIONAL SPECTRA OF O-17 SUBSTITUTED OXYGEN SINGLET DELTA en_US dc.type Article en_US dc.type Image en_US dc.type Presentation en_US
﻿