Browsing Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999 by Title
Now showing results 2456-2475 of 3912
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$O_{2}$ PHOTOABSORPTION IN THE $40950-41300 CM^{-1}$ REGION: NEW HERZBERG BANDS, NEW ABSORPTION LINES, AND IMPROVED SPECTROSCOPIC DATA
Slanger, T. G.; Huestis, D. L.; Cosby, P. C.; Naus, Hans; Meijer, Gerard ( 1996 )The technique of cavity ring-down (CRD) spectroscopy is particularly useful for measuring absorptions of very weak optical transitions. We have in this manner investigated the $40950-41300 cm^{-1}$ region in $O_{2}$, where ... -
$O_{2}$ SCHUMANN-RUNGE BAND ABSORPTION OF A STRUCTURED SOLAR SPECTRUM
Huestis, D. L.; Slanger, T. G. ( 1994 )$O_{2}$ absorbs solar radiation at wavelength shorter than 242 nm, leading to photodissociation and formation of ozone. In the wavelength range 174-205 nm the $O_{2}$ absorption spectrum consists of relatively sharp peaks, ... -
$O_{2}(^{5}\Pi_{g})$, ION-PAIR STATES, AND OXYGEN ATOM RECOMBINATION
Huestis, D. L.; Bressler, Christian G.; Copeland, Richard A. ( 1998 )Collisions of oxygen or nitrogen molecules with laser-excitated high vibrational levels of $O_{2}$ produce a longer lived excited state, whose resonant multiphoton ionization (REMPI) spectrum cannot be assigned to any known ... -
OBSERVATION AND AB INITIO CALCULATION OF THE TWO-PHOTON VIBRONIC SPECTROSCOPY OF JETCOOLED ALLENE AND PROPYNE
Shieh, Jau-Chin; Chang, Jia-Lin; Lin, Yi-Ji; Mebel, A. M.; Chen, Yit-Tsong ( 1999 )The two-photon allowed vibronic spectra of jet-cooled allene $(H_{2}CCCH_{2})$ and propyne $(H_{3}CCCH)$ at 7.5-9 eV have been observed by $2 + 1$ REMPI spectroscopy. Excited electronic states of $2^{1}A_{1}(\pi-3p/\pi-\ ... -
OBSERVATION AND ANALYSIS OF ION-PAIR TRANSITIONS OF $I_{2}$ IN A FREE-JET EXPANSION.
Tellinghuisen, Joel; Zheng, X.; Fei, S.; Heaven, M. C. ( 1991 )The $A^{\prime}$ state of $I_{2}$ was obsereved for the first time in a free-jet expansion, where it was prepared by ArF laser excitation of $I_{2}$/Ar mixtures close to the $nozzle^{1}$. Twenty seven bands in the v"" = 0 ... -
OBSERVATION AND ANALYSIS OF LINE WIDTH OF $Q_{1}(1)$ IMPURITY PAIR SPECTRUM IN SOLID PARAHYDROGEN
Zhang, Yu; Oka, T. ( 1997 )The $Q_{1}(1) (\nu = 1 \leftarrow 0, J = 1 \leftarrow 1)$ rovibrational spectrum of the $J = 1$ {ortho}-$H_{2}$ impurities in solid para-$H_{2}$, recorded in our laboratory using a color center laser spectrometer, shows a ... -
OBSERVATION AND ANALYSIS OF SERS SPECTRUM OF LYSOZYME ON SILVER COLLOID
Jun, Hu; Sheng, Rongsheng; Xu, Zhisan; Yune, Zheng ( 1992 )The SERS spectrum of lysozyme on silver colloid was obtained. The sample solution was prepared by mixing O-2 ml silver colloid with 0.2 ml lysozyme. In the solutionn, the concentration of lysozyme was 6$\times10^{-2}$TM, ... -
OBSERVATION AND ANALYSIS OF THE $1^{1}\Delta$ STATE OF $^{6}Li_{2}$
Linton, C.; Martin, F.; Crozet, P.; Ross, A. J.; Bacis, R. ( 1992 )As part of a continuing investigation into the electronic states of $Li_{2}$ in the $30,000 cm^{-1}$ region, we have recently excited the $F^{1}\Sigma_{g}^{+}$ state of $^{6}Li_{2}$ via two separate, single frequency double ... -
OBSERVATION AND ANALYSIS OF THE $Br_{2} D^{\prime}(2g)-A^{\prime}(2u)$ TRANSITION IN A FREE-JET EXPANSION
Van Marter, T. A.; Lu, Y.; Heaven, M. C.; Tellinghuisen, Joel; Hwang, E.; Dagdigian, Paul J. ( 1995 )The $D^{\prime}-A^{\prime}$ transition of $Br_{2}$ is known primarily from emission $spectroscopy^{1}$. The $D^{\prime}$ state is readily excited by electric discharge, and discharge-pumped lasing of $Br_{2} D^{\prime}-A^{\prime}$ ... -
OBSERVATION AND ANALYSIS OF THE $Q_{3}(0)$ TRANSITION OF SOLID PARAHYDROGEN
Dickson, Robert M.; Oka, T.; Byers, Teresa J.; Kerr, Karen E.; Momose, Takamasa ( 1994 )The second overtone of the pure vibrational transition of solid parahydrogen has been observed at 0.85 $\mu m$ under high resolution with a continuous wave titanium sapphire laser. Although similar to the $D_{2}$ and HD ... -
OBSERVATION AND ANALYSIS OF THE HIGH RESOLUTION INFRARED EMISSION SPECTRUM OF CaF
Charron, F.; Guo, B.; Zhang, K. Q.; Morbi, Z.; Bernath, P. F. ( 1994 )The high resolution rotation-vibration emission spectrum of CaF has been recorded using the Bruker IFS 120HR spectrometer at the University of Waterloo. The CaF molecule was obtained by heating calcium difluoride to ... -
OBSERVATION AND ANALYSIS OF THE ROVIBRATIONAL SPECTRA OF $OCS \cdot \cdot HX (HX = HF, HCl \& HBr)$ DIMERS
Hu, T. A.; Sharpe, Steven W. ( 1993 )High resolution infrared absorption spectra of the weakly bonded $OCS \cdot \cdot HX$ complexes have been observed in the $2055 cm^{-1}$ region. Infrared spectra of $SCO-HF, SCO-H35Cl, SCO-H^{79}Br$ and $SCO-H^{81}Br$ ... -
OBSERVATION AND ANALYSIS OF THE SERS SPECTRA OF TETRAPHEYLPORPHINE(TPP) AND $IRON(\Pi)$ PROTOPORPHYRIN $(Fe(\Pi)PP)$
Hu, Jun; Sheng, Rongsheng; Xu, Zhisan; Zeng, Yun E. ( 1993 )The SERS spectra of tetrapheylporphine(TPP) and iron ($\Pi$) protoporphyrin IX $(Fe(\Pi)PP)$ were obtained. Comparing of these two spectra, the bands 994, 1126, 1174, $1218cm^{-1}$ in spectra of TPP assigned to $v(C_{*} - ... -
OBSERVATION AND ANALYSIS OF THE TRIPLET-TRIPLET TRANSITION OF AlCl USING FTS
Brett, R. J.; Mahoney, K. I.; Mathews, C. W. ( 1994 )The high resolution emission spectrum of the triplet-triplet transition of AlCl near $18,000 cm^{-1}$ has been recorded with a Bruker IFS 120 HR Fourier Transform Spectrometer. This system has been analyzed by Mahieu, $et ... -
OBSERVATION AND ANALYSIS OF THE WATER ABSORPTION SPECTRUM FROM NEAR IR TO NEAR UV REGION
Polyansky, Oleg L.; Zobov, N. F.; Tennyson, Jonathan; Hall, M. G.; Bernath, P. F.; Carleer, M.; Colin, R.; Jenouvrier, A.; Merienne-Lafore, M.- F.; Vandaele, A. C. ( 1999 )In the region extending from near IR to UV, the spectral composition of the solar radiation that reaches the surface of the Earth is mainly determined by the absorption of water vapor. It is important, therefore, to know ... -
OBSERVATION AND ANALYSIS SIMULTANEOUS TRANSITIONS OF INDUCED INFRARED ABSORPTION SPECTRA IN LIQUID MIXTURES
Akhmedjonov, R.; Akhmedjonov, A. ( 1999 )Induced single and simultaneous transitions are registered in the infrared absorption spectra of liquid mixtures with CS2 and CO2. Frequencies, widths and integral band intensities of the spectra have been measured. A ... -
OBSERVATION OF $3.53 \mu m$ HIGH $J CH_{4}$ EMISSION FROM JUPITER FOLLOWING COMET SHOEMAKER-LEVY-9 FRAGMENT C IMPACT
Achilleos, N.; Geballe, T. R.; Jagod, M.- F.; Miller, S.; Oka, T.; Trafton, L. M. ( 1995 )During 16-22 July, 1994 the fragments of Comet Shoemaker-Levy-9 plunged into Jupiter's atmosphere at $45^{\circ} S$ latitude. We monitored the $3.53 \mu m$ region where, in less cataclysmic times, only $H^{\ast}_{3}$ ... -
OBSERVATION OF $\Delta|k-l|-3$ TRANSITIONS IN THE $v_{3}$ BAND OF $H_{3}O^{+}$
Uy, Dairene; White, E. T.; Oka, T. ( 1996 )Although the vibration-rotation spectrum of $H_{3}O^{+}$ has been studied extensively, there has been no experimental information on the value of the C rotational constant because of the absensce of $\Delta|k-l|\neq 0$ ... -
OBSERVATION OF $\nu_{4}$ BAND TRANSITIONS OF $NH^{+}_{4}$ AND $ND^{+}_{4}$
Changhong, Xia; Maria, M. Sanz; Foster, Stephen C. ( 1996 )The tetrahedral ammonium ion has two triply-degenerate infrared-active fundamentals. In 1983, Crofton and Oka; and Schafer, Begemann, Gudeman and Saykally observed the $\nu_{3}$ fundamental of $NH^{-}_{4}$ in glow discharges. ... -
OBSERVATION OF $\tilde{B}$-$\tilde{X}$ FLUORESCENCE EXCITATION SPECTRUM OF FORMYL RADICAL
Zhao, X.; Adamson, G. W.; Field, R. W. ( 1990 )Several vibrational bands belonging to the $\bar{B}-\bar{X}$ electronic system) of formyl radical (HCO) have been observed in fluorescence excitation in the $38,750-38,340 cm^{-1}$ region. The formyl radical was formed by ...