Browsing Abstracts of OSU International Symposium on Molecular Spectroscopy 1990-1999 by Title
Now showing results 3124-3143 of 3912
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THE ROVIBRONICALLY RESOLVED FES OF THE ALL-TRANS-1,4-DIPHENYL-1,3-BUTADIENE-AR VAN DER WAALS COMPLEX
Humphrey, Susan J.; Champagne, B. B.; Pfanstiel, J. F.; Pratt, D. W. ( 1992 )We report the observation and analysis of the fluorescence excitation spectra (FES) of the van der Waals complex of argon weakly bound to all-trans-1,4-diphenyl-1,3-butadiene (DPB). The data include a vibronically resolved ... -
THE $rQ_{K_{A}}$ BRANCHES $(K_{A} \in \{2,3,4\})$ OF CARBODIMIDE, HNCNH
Wagener, V.; Bellini, M.; Winnewisser, M. ( 1994 )The $^{r}_{Q}{K_{A}}$ branches ($K_{A} \in{2,3,4}$) of carbodiimide, HNCNH, have been recorded with the tunable far infrared spectrometer available at the European Laboratory for Nonlinear Spectroscopy (LENS)$^{a}$. The ... -
RYDBERG STATE DYNAMICS OP ROTATING, VIBRATING $H_{3}$ AND THE JAHN-TELLER EFFECT
Stephens, J. A.; Greene, Chris H. ( 1994 )We are developing a multichannel quantum defect formulation to describe the collision of a Rydberg or continuum electron with a vibrating and rotating polyatomic $inon.^{1}$ We formulate a full rovibronic frame transformation ... -
RYDBERG STATE SPECTROSCOPY OF BORON HYDRIDE RADICALS.
Clark, Jason; Grant, Edward R. ( 1998 )Ionization dtected electronic absorption spectra of radical boron hydrides will be reported. $BH_{x}$ radicals are produced by ArF (193 nm) photolysis of $B_{2}H_{6}$ in a supersonic pulsed-jet. Ions are mass-resolved and ... -
RYDBERG STATES AND RYDBERG MOLECULES
Herzberg, G. ( 1994 )The history of Rydberg states in atoms and molecules will be briefly summarized. If the ground state of a molecular system is unstable (as for example two He atoms) while most excited states are stable Rydberg states, we ... -
RYDBERG STATES CONVERGING TO HIGHER VIBRATIONALLY EXCITED STATES OF $HCO^{+}$.
Foltynowicz, Robert J.; Rupp, Wolfgang; Hedderich, Hartmut G.; Grant, Edward R. ( 1998 )Single rotational levels photoselected in the strongest bent $B^{2}A^{\prime}$ state of HCO serve as intermediate states in double resonance transitions to Rydberg states built on higher vibrationally excited levels of the ... -
RYDBERG STATES OF $B_{2}$ BY RESONANCE ENHANCED MULTIPHOTON IONIZAT1ON SPECTROSCOPY
Johnson, Russell D., III; Irikura, K. K.; Hudgens, J. W. ( 1994 )Electronic transitions, from the $^{3}\Sigma^\cdot_{g}$ ground state to Rydberg stales have been observed in the 280 to 380 nm region, corresponding to a two-photon energy region of 53000 to $72000 cm^{-1}$. The $B_{2}$ ... -
Rydberg States of BaF.
Jakubek, Zygmunt J.; Field, R. W. ( 1992 )Rydberg states of the BaF molecule in the region of $33200-38170 cm^{-1}$ have been extensively studied by the optical-optical double resonance technique. At least 75 new vibronic state have been found and assigned as ... -
RYDBERG STATES OF BORON HYDRIDE RADICALS BH AND $BH_{2}$.
Clark, Jason; Hedderich, Hartmut G.; Grant, Edward R. ( 1999 )Ionization detected absorption spectra of Rydberg states for BH and $BH_{2}$ will be reported. Boron hydride radicals are produced by ArF (193 nm) photolysis of $B_{2}H_{6}$ (diborane) in a supersonic pulsed-jet. Ions ... -
Rydberg States of CaCl Observed by Optical-Optical Double Resonance
Harris, N.; Murphy, J. E.; Jakubek, Zygmunt J.; Field, R. W. ( 1990 )We have observed s, p, and d Rydberg series of CaF in the region from 40,600 to 45,905 and have recently begun work on the Rydberg series of CaCl. We scanned the region from $40,898 cm^{-1}$ to $41,860 cm^{-1}$ and observed ... -
THE RYDBERG STATES OF CaF (another look at the lowest states)
Harris, N.; Gittins, C.; Murphy, J. E.; Field, R. W. ( 1992 )We have examined the region from $30,080 cm^{-1}$ to $31,270 cm^{-1}$ and discovered that the D $^{2}\Sigma$ state observed by $Fowler^{1}$ is actually v=1 of the $C^{\prime}$ $^{2}\Sigma$ $state^{2}$ which is consistent ... -
Rydberg States of CaF observed by Optical-Optical Double Resonance
Murphy, J. E.; Berg, J. M.; Harris, N.; Merer, A. J.; Field, R. W. ( 1990 )There have been many spcctroscopic studies of the low-lying or valence states of the alkaline earth monohalidcs (MX) in recent years. These states are well represented by a simple physical model where there is a lone ... -
RYDBERG STATES OF MOLECULES - AN OVERVIEW
Jungen, Ch. ( 1994 )In recent years the field of Rydberg spectroscopy and dynamics has rapidly expanded in a variety of directions. This talk presents an overview of the following aspects of the field: \begin{enumerate} \item[$\square$] The ... -
RYDBERG STATES OF POLYATOMIC FREE RADICALS
Zuckerman, Eric J.; Hedderich, Hartmut G.; Mayer, Eric E.; Behm, J. A.; Zhang, Limin; Grant, Edward R. ( 1997 )Open Shell acyl free radical produce closed shell cations that support sharp Rydberg states. Ion-detected absorption shows extensive structure in HCO and $CH_{3}O$. Presented here are the first resolved spectra of $CH_{3}O$ ... -
RYDBERG STATES OF THE $Ar_{2}$ MOLECULE
Ginter, M. L.; Kane, Daniel J.; Kim, S.; Herring, C.; Eden, J. G. ( 1992 )Extensive spectra attributable to n$\ell\lambda(^{3}\Pi_{g}, ^{3}\Sigma_{g}^{+})\leftarrow{a}^{3}\Sigma_{u}^{+}$ for $Ar_{2}$ have been observed by laser excitation spectroscopy in the afterglow of a pulsed discharge. The ... -
RYDBERG STATES OF THE RARE GAS DIMERS
Ginter, M. L. ( 1994 )Major features of the Rydberg electronic structures and associated spectra for the rare gas dimers $He_{2}, Ne_{2}, Ar_{2}, Kr_{2}$, and $Xe_{2}$ are summarized. Although the ground states of these molecules have only ... -
RYDBERG TRANSITIONS ORIGINATING AT METAL-LOCALIZED ORBITALS IN LARGE POLYATOMIC MOLECULES: A GAS-PHASE SPECTROSCOPIC STUDY OF TRANSITION- METAL SANDWICH COMPLEXES
Ketkov, S. Yu. ( 1996 )The transition-metal sandwich compounds with an occupied totally symmetric valence molecular orbital (MO) derived from the metal $d_{z}(2)$ appear to represent the first example of polyatomic molecules revealing in the ... -
RYDBERG-RYDBERG EMISSION SPECTRUM OF CARBON MONOXIDE IN THE NEAR-INFRARED REGION: AN {AB INITIO} STUDY OF NEWLY OBSERVED $^{3}\Pi - ^{3}\Sigma^{+}$ TRANSITION
Hirano, Tsuneo; Ishii, Keisaku; Shiba, Yoko; Nagashima, Umpei; Sato, K.; Kawaguchi, K. ( 1994 )Recently we have observed a new emission spectrum of carbon monoxide (CO) in the near-infrared region, $8240 cm^{-1}$, which can he ascribed to the transition between $^{3} \Pi$ and $^{3} \Sigma$ states. In order to ... -
Rydberg-Rydberg molecular transitions in the condensed phase: towards the ionisation limit
Zerza, G.; Sassara, A.; Stepanenko, V.; Vigliotti, F.; Chergui, M. ( 1995 )The Rydberg states of NO in rare gas matrices show a strong interaction with the surrounding, expressed by shifts to higher energies with respect to the gas phase of up to 1 eV, large absorption-emission Stokes shifts due ... -
RYDBERG-VALENCE PERTURBATIONS AND DISSOCIATIVE PATHWAYS IN NO
Murphy, J. E.; Kelly, James F.; Bushaw, B. A.; Miller, R. J. ( 1993 )We will report on the results of laser spectroscopic studies of NO in the region around 8.55cv $(69000 cm^{-1})$. In this region there are numerous perturbations between low n Rydberg and valence states. We have studied ...